Thomas R. Ayres

Thomas R. Ayres's AcademicInfluence.com Rankings

Thomas R. Ayres

Physics

#6632

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#8600

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Astrophysics

#533

World Rank

#577

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Physics

Thomas R. Ayres's Degrees

PhD Astrophysics University of California, Berkeley
Bachelors Physics University of California, Berkeley

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Thomas R. Ayres's Published Works

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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Relations among stellar X-ray emission observed from Einstein, stellar rotation and bolometric luminosity (1981) (479)
The photospheric solar oxygen project. I. Abundance analysis of atomic lines and influence of atmosp (2008) (202)
The Rise and Fall of μ Velorum: A Remarkable Flare on a Yellow Giant Star Observed with the Extreme Ultraviolet Explorer (1999) (200)
Goddard high-resolution spectrograph observations of the local interstellar medium and the deuterium/hydrogen ratio along the line of sight toward Capella (1993) (182)
Deuterium and the Local Interstellar Medium: Properties for the Procyon and Capella Lines of Sight (1995) (174)
Evolution of the solar ionizing flux (1997) (163)
NEAR-ULTRAVIOLET ABSORPTION, CHROMOSPHERIC ACTIVITY, AND STAR–PLANET INTERACTIONS IN THE WASP-12 SYSTEM (2012) (145)
Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XI. Intensive Monitoring of the Ultraviolet Spectrum of NGC 7469 (1997) (138)
Outer atmospheres of cool stars. IX - A survey of ultraviolet emission from F-K dwarfs and giants with IUE (1981) (109)
Solar Carbon Monoxide, Thermal Profiling, and the Abundances of C, O, and Their Isotopes (2006) (103)
Solar Science with the Atacama Large Millimeter/Submillimeter Array—A New View of Our Sun (2015) (101)
The chromospheres and coronae of five G-K main-sequence stars (1987) (99)
The Future of Cool-Star Astrophysics (2003) (87)
An Estimate of the Sun’s ROSAT-PSPC X-Ray Luminosities Using SNOE-SXP Measurements (2003) (86)
The cool half of the H-R diagram in soft X-rays (1981) (85)
ERRORS ASSOCIATED WITH FITTING GAUSSIAN PROFILES TO NOISY EMISSION-LINE SPECTRA (1992) (85)
COMPUTING INTRINSIC LYα FLUXES OF F5 V TO M5 V STARS (2013) (79)
Fourier Transform Spectrometer Observations of Solar Carbon Monoxide. II. Simultaneous Cospatial Measurements of the Fundamental and First-Overtone Bands, and CA II K, in Quiet and Active Regions (1986) (78)
StarCAT: A CATALOG OF SPACE TELESCOPE IMAGING SPECTROGRAPH ULTRAVIOLET ECHELLE SPECTRA OF STARS (2010) (75)
The RIASS coronathon: Joint X-ray and ultraviolet observations of normal F-K stars (1995) (75)
Chromospheric scaling laws, width-luminosity correlations, and the Wilson-Bappu effect. [correlation between stellar magnitude and emission line width] (1979) (74)
Thermal bifurcation in the solar outer atmosphere (1981) (73)
Multiwavelength observations of short-timescale variability in NGC 4151 .4. Analysis of multiwavelength continuum variability (1996) (72)
A Far Ultraviolet Spectroscopic Explorer Survey of Late-Type Dwarf Stars (2002) (70)
Fourier Transform Spectrometer observations of solar carbon monoxide. I - The fundamental and first overtone bands in the quiet sun (1981) (69)
Stellar model chromospheres. VI - Empirical estimates of the chromospheric radiative losses of late-type stars (1978) (65)
Chandra, EUVE, HST, and VLA Multiwavelength Campaign on HR 1099: Instrumental Capabilities, Data Reduction, and Initial Results (2001) (63)
New Light on the Heart of Darkness of the Solar Chromosphere (1994) (58)
Non-LTE CO, revisited (1989) (58)
Outer atmospheres of cool stars. V - IUE observations of Capella - The rotation-activity connection (1980) (57)
ABSORBING GAS AROUND THE WASP-12 PLANETARY SYSTEM (2013) (55)
Stellar model chromospheres. III - Arcturus /K2 III/ (1975) (54)
Does the Sun Have a Full-Time COmosphere? (2002) (54)
The Mg II h and k lines. II - Comparison with synthesized profiles and Ca II K. [solar spectra (1976) (53)
The Coronae of Moderate-Mass Giants in the Hertzsprung Gap and the Clump (1998) (50)
Observations of Solar Carbon Monoxide with an Imaging Infrared Spectrograph. I. Thermal Bifurcation Revisited (1996) (50)
The transition regions of Capella (1995) (49)
Buried Alive in the Coronal Graveyard (2003) (49)
Carbon Monoxide Fundamental Bands in Late-Type Stars. III. Chromosphere or CO-mosphere? (1994) (48)
Critical Science Plan for the Daniel K. Inouye Solar Telescope (DKIST) (2020) (46)
Limits on Chromospheres and Convection among the Main-Sequence A Stars (2002) (45)
Space Telescope Imaging Spectrograph Survey of Far-Ultraviolet Coronal Forbidden Lines in Late-Type Stars (2003) (42)
A Far Ultraviolet Spectroscopic Explorer Survey of Coronal Forbidden Lines in Late-Type Stars (2002) (40)
Radio, X-Ray, and Extreme-Ultraviolet Coronal Variability of the Short-Period RS Canum Venaticorum Binary σ2 Coronae Borealis (2000) (40)
Chandra, Extreme Ultraviolet Explorer, and Very Large Array Observations of the Active Binary System σ2 Coronae Borealis (2003) (39)
A Multiwavelength Perspective of Flares on HR 1099: 4 Years of Coordinated Campaigns (2004) (34)
Solar Forbidden Oxygen, Revisited (2008) (33)
THE CYCLES OF α CENTAURI (2009) (33)
A Comparison of the Outer Atmosphere of the “Flat Activity” Star τ Ceti (G8 V) with the Sun (G2 V) and α Centauri A (G2 V) (2004) (33)
Scientific problems addressed by the Spektr-UV space project (world space Observatory—Ultraviolet) (2016) (33)
FAR-ULTRAVIOLET CONTINUUM EMISSION: APPLYING THIS DIAGNOSTIC TO THE CHROMOSPHERES OF SOLAR-MASS STARS (2011) (32)
THE UPS AND DOWNS OF α CENTAURI (2014) (32)
Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars (1983) (31)
Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars. II - New, precise measurements of dwarfs and giants (1988) (31)
A reexamination of solar upper photosphere models, the calcium abundance, and empirical damping parameters (1977) (31)
THE STRUCTURE OF THE LOCAL INTERSTELLAR MEDIUM. VI. NEW Mg ii, Fe ii, AND Mn ii OBSERVATIONS TOWARD STARS WITHIN 100 pc (2014) (29)
THE FLARE-ONA OF EK DRACONIS (2015) (27)
THE FAR-ULTRAVIOLET UPS AND DOWNS OF ALPHA CENTAURI (2014) (27)
A Semiempirical Determination of the Wind Velocity Structure for the Hybrid-Chromosphere Star alpha Trianguli Australis (1995) (26)
Digging in the coronal graveyard - A Rosat observation of the red giant Arcturus (1991) (26)
Stellar model chromospheres. II - Procyon /F5 IV-V/ (1974) (25)
A light carbon isotope composition for the Sun (2018) (24)
THE CARBON ISOTOPE COMPOSITION OF THE (2017) (24)
Multiwavelength observations of short-timescale variability in NGC 4151 .1. Ultraviolet observations (1996) (24)
Digging Deeper in the Coronal Graveyard (1997) (23)
Far-ultraviolet fluorescence of carbon monoxide in the red giant Arcturus (1981) (23)
Evolution of the. cap alpha. centauri system (1978) (23)
High-resolution, far-ultraviolet study of Beta Draconis (G2 Ib-II) - Transition region structure and energy balance (1984) (23)
Stellar model chromospheres. V - Alpha Centauri A /G2 V/ and Alpha Centauri B /K1 V/ (1976) (22)
Fourier transform spectrometer observations of solar carbon monoxide. III - Time-resolved spectroscopy of the Delta V = 1 bands (1990) (21)
Sleuthing the Dynamo: Hubble Space Telescope Faint Object Spectrograph Observations of Solar-Type Dwarfs in Young Galactic Clusters (1996) (21)
First high-resolution look at the quiet Sun with ALMA at 3mm (2018) (21)
Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars (2017) (21)
IS THE SUN LIGHTER THAN THE EARTH? ISOTOPIC CO IN THE PHOTOSPHERE, VIEWED THROUGH THE LENS OF THREE-DIMENSIONAL SPECTRUM SYNTHESIS (2013) (21)
Positional Uncertainties and Detection Limits of ROSAT X-Ray Sources (2004) (20)
WARM CORONAL RAIN ON YOUNG SOLAR ANALOG EK DRACONIS? (2010) (20)
The Fainting of α Centauri A, Resolved (2008) (20)
ULTRAVIOLET SPECTROSCOPY OF RAPIDLY ROTATING SOLAR-MASS STARS: EMISSION-LINE REDSHIFTS AS A TEST OF THE SOLAR–STELLAR CONNECTION (2012) (20)
Evolution of chromospheres and coronae in solar mass stars - A far-ultraviolet and soft X-ray comparison of Arcturus /K2 III/ and Alpha Centauri A /G2 V/ (1982) (20)
IDENTIFICATION OF $sup 13$C$sup 16$O IN THE INFRARED SUNSPOT SPECTRUM AND THE DETERMINATION OF THE SOLAR $sup 12$C/$sup 13$C ABUNDANCE RATIO. (1972) (19)
The Hubble Spectroscopic Legacy Archive (2017) (19)
3 Ms in the Life of β Ceti: Sustained Flare Activity on a Clump Giant Detected by the Extreme Ultraviolet Explorer (2001) (19)
Chromospheric thermal continuum millimetre emission from non-dusty K and M red giants (2012) (19)
Sleuthing the Dynamo. II. Hubble Space Telescope Goddard High Resolution Spectrograph Observations of Solar-Type Dwarfs in Young Galactic Clusters (1999) (18)
Outer atmospheres of cool stars. XIII - Capella at critical phases (1983) (18)
IUE observations of cool stars: α Aurigae, HR1099, λ Andromedae, and ε Eridani (1978) (17)
Thermal bifurcation as a driver of stellar surface inhomogeneities It's Probably Not Too Important, But Read On! (1996) (17)
Outer atmospheres of cool stars. III - IUE spectra and transition region models for Alpha Centauri A and B (1980) (17)
X-Rays from Hybrid Stars (2005) (16)
High-dispersion observations of alpha Bootis (K1 III) with the International Ultraviolet Explorer (1986) (15)
Semiempirical upper photosphere models - The sun /G2 V/ and Procyon /F5 IV-V/ (1975) (14)
A spectral dissection of the ultraviolet emissions of Capella (1988) (14)
MG Emission from Hybrid-Chromosphere Stars: 1.5 Decades of Chromospheric Variability Monitoring (1996) (14)
A reanalysis of the SWP-HI IUE observations of Capella (1995) (13)
Outer atmospheres of cool stars. XV - High-dispersion ultraviolet studies of active chromosphere G-K dwarfs (1983) (13)
Molecular absorption in transition region spectral lines (2014) (13)
Long-Slit Observations of Extended C II λ1335 Emission around V854 Centauri and RY Sagittarii (2001) (13)
Far-ultraviolet fluorescence of carbon monoxide in the red giant Arcturus. II - Analysis of high-dispersion IUE spectra (1986) (12)
Chandra Observations of Coronal Emission from the Early G Supergiants α and β Aquarii (2005) (12)
The many faces of F stars - A rotational modulation study of Capella, Procyon, and Caph with the International Ultraviolet Explorer (1991) (12)
Solar science with the Atacama Large Millimeter/submillimeter Array - A revolutionizing new view of our Sun (2015) (12)
An abundance analysis from the STIS-HST UV spectrum of the non-magnetic Bp star HR 6000 (2017) (11)
The many faces of Capella - A search for rotational modulations and a study of systematic velocities of emission lines in the ultraviolet (1984) (11)
X-Ray and Ultraviolet Spectroscopy of Intermediate-Mass, First Crossing Giants (2007) (11)
Ultraviolet Atlas of the Arcturus Spectrum, 1150-3800 A (2005) (10)
Alpha Trianguli Australis (K2 II-III) - Hybrid or composite? (1985) (10)
Far-ultraviolet and X-ray emission of the long period RS CVn star Sigma Geminorum (1988) (10)
The distant future of solar activity: A case study of Beta Hydri. III - Transition region, corona, and stellar wind (1993) (10)
How deep can one see into the Sun? (1989) (10)
Equator-pole temperature difference and the solar oblateness (1973) (9)
The Remarkable Far-Ultraviolet Spectrum of FK Comae Berenices: King of Spin (2006) (9)
A STUDY OF THE ELEMENTS COPPER THROUGH URANIUM IN SIRIUS A: CONTRIBUTIONS FROM STIS AND GROUND-BASED SPECTRA (2016) (9)
A possible width-luminosity correlation of the Ca II K1 and Mg II k1 features. [of stellar atmospheres (1975) (9)
The SOHO-Stellar Connection (1999) (9)
A Closer Look at the Alpha Persei Coronal Conundrum (2017) (8)
Outer atmospheres of cool stars. XI - High-dispersion IUE spectra of five late-type dwarfs and giants (1982) (8)
The surface gravity and mass of Arcturus. (1977) (8)
Outer atmospheres of cool stars. X - HR 1099 at quadrature (1982) (8)
Ultraviolet, optical, infrared, and microwave observations of HR 5110 (1986) (7)
SIGNAL-TO-NOISE RATIOS IN IUE LOW-DISPERSION SPECTRA. II. PHOTOMETRICALLY-CORRECTED IMAGES (1993) (7)
Visualization techniques to aid in the analysis of multi-spectral astrophysical data sets (1993) (7)
Carbon Monoxide and the Temperature Structure of the Solar Atmosphere (1998) (7)
Measuring the fine structure constant on a white dwarf surface; a detailed analysis of Fe V absorption in G191-B2B (2020) (7)
A Search for an Emission‐Line Region in the Hydrogen‐deficient Carbon Star HD 182040 (1998) (7)
The Advanced Spectral Library (ASTRAL): Reference Spectra for Evolved M Stars (2018) (7)
Advanced Spectral Library (ASTRAL): Cool stars edition (2013) (7)
In the Trenches of the Solar–Stellar Connection. I. Ultraviolet and X-Ray Flux–Flux Correlations across the Activity Cycles of the Sun and Alpha Centauri AB (2020) (7)
Center-to-limb behavior of first-overtone vibration-rotation transitions of solar carbon monoxide (1978) (7)
Nonthermal broadening in the solar photosphere derived from widths of weak absorption features in the Ca II H and K wings (1977) (6)
THE CURIOUS CASE OF THE ALPHA PERSEI CORONA: A DWARF IN SUPERGIANT'S CLOTHING? (2011) (6)
Intrinsic Lyα Profiles of High-velocity G, K, and M Dwarfs (2017) (6)
In the Trenches of the Solar-stellar Connection. IV. Solar Full-disk Scans of C ii, Si iv, and Mg ii by the Interface Region Imaging Spectrograph (2021) (6)
Searching for a gas cloud surrounding the WASP-18 planetary system (2014) (6)
SERENDIPITOUS DISCOVERY OF A DWARF NOVA IN THE KEPLER FIELD NEAR THE G DWARF KIC 5438845 (2015) (6)
High-Excitation Emission Lines in the Far-Ultraviolet Spectrum of the Late A Star α Cephei (1998) (6)
FK COMAE BERENICES, KING OF SPIN: THE COCOA-PUFS PROJECT (2016) (6)
AN HST COS “SNAPSHOT” SPECTRUM OF THE K SUPERGIANT λ Vel (K4Ib-II) (2014) (6)
Characterising exoplanets and their environment with UV transmission spectroscopy (2015) (6)
The hydrogen Lyman-alpha emission of Capella (1993) (6)
A physically realistic approximate form for the redistribution function R(II-A). [of small Voigt parameters] (1985) (6)
Sigma Geminorum (K1 III + ?) - Variability of the ultraviolet emission lines near conjunction (1984) (6)
Carbon monoxide fundamental bands in late type stars (1987) (6)
A far-ultraviolet flare on a Pleiades G dwarf (1994) (6)
Cracking the Conundrum of F-supergiant Coronae (2016) (6)
Stellar model chromospheres. IV - The formation of the H-epsilon feature in the sun /G2 V/ and Arcturus /K2 III/ (1975) (6)
71 Tauri: Hyades Enigma Resolved? (2000) (6)
Resonance line transfer with partial redistribution. III Mg II resonance lines in solar-type stars (1975) (6)
Characterizing the Habitable Zones of Exoplanetary Systems with a Large Ultraviolet/Visible/Near-IR Space Observatory (2015) (5)
A far-UV survey of three hot, metal-polluted white dwarf stars: WD0455−282, WD0621−376, and WD2211−495 (2019) (5)
Constraining the magnetic field on white dwarf surfaces; Zeeman effects and fine structure constant variation (2018) (5)
An Infrared Perspective on Chromospheres (1991) (5)
The Origin of Weakened Magnetic Braking in Old Solar Analogs (2022) (5)
The Coronae of γ Draconis (2006) (5)
The Colorado scale‐model solar system (1991) (5)
CO fundamental bands in late-type stars. II - Spectrum simulations for F-K stars (1991) (5)
A Search for Solar Global Oscillations in the CA {\sc ii} K-Line (1977) (5)
First Observations of an R Coronae Borealis Star with the Space Telescope Imaging Spectrograph: RY Sagittarii near Maximum Light (1999) (5)
In the Trenches of the Solar–Stellar Connection. III. The HST/COS Ecliptic-poles Stellar Survey (EclipSS) (2021) (5)
CHANDRA'S DARKEST BRIGHT STAR: NOT SO DARK AFTER ALL? (2008) (4)
The extreme O-type spectroscopic binary HD 93129A (2018) (4)
Cool, evolved stars: results, challenges, and promises for the next decade (2019) (4)
EMPIRICAL CONTINUUM MODELING FOR IUE LOW-DISPERSION SPECTRA (1988) (4)
The Deep Lamp Project: An Investigation of the Precision and Accuracy of the Echelle Wavelength Scales of Space Telescope Imaging Spectrograph (2008) (4)
Stellar model chromospheres. On the temperature minima of F, G, and K stars. (1973) (4)
Comparison of the spectrum of a sunspot-like star with a sunspot (2002) (4)
A Multiwavelength Look at the GJ 9827 System: No Evidence of Extended Atmospheres in GJ 9827b and d from HST and CARMENES Data (2021) (4)
The narrow ultraviolet emission lines of the red dwarf Au Microscopii (dM1.6e) (1983) (4)
In the Trenches of the Solar–Stellar Connection. II. Extreme Ultraviolet Flux–Flux Correlations across Solar Cycle 24 (2021) (4)
Evolution of the α Centauri System. (1977) (4)
A Case Study: Multi-Sensor Data Analysis of HH Objects Via STAR: A Scientific Toolkit for Astrophysical Research (1990) (3)
Digging Deeper in the Coronal Graveyard: Postscript (1999) (3)
Serendipitous X-Ray Sources in the Chandra HRC Field around Alpha Centauri (2018) (3)
The Solar Chromosphere: Old Challenges, New Frontiers (2009) (3)
In the Trenches of the Solar-stellar Connection. V. High-resolution Ultraviolet and X-Ray Observations of Sun-like Stars: The Curious Case of Procyon (2021) (3)
Beyond the Coronal Graveyard (2018) (3)
α TrA Junior (2007) (3)
A non-LTE analysis of the CN 3883 A band head in the upper photosphere of Arcturus (1975) (3)
The Giant Star Ca II Ionization Problem: Mass Loss Revisited (2004) (3)
CYRA: the cryogenic infrared spectrograph for the Goode Solar Telescope in Big Bear (2020) (3)
A comparison of synthetic and measured solar continuum intensities and limb darkening coefficients (1978) (3)
Thermal Bifurcation Of the Outer Photosphere (1990) (3)
Thermal Bifurcation Revisited (1995) (3)
The Upper Photosphere and Lower Chromosphere of Small-Scale Magnetic Features (1994) (3)
The SOHO–Stellar Connection (2000) (2)
A search for coronal soft X-ray emission from cool stars with HEAO 1 (1979) (2)
A stellar perspective on chromospheres. (2010) (2)
Discovery of X-rays from the 40 Eridani system (1979) (2)
CO and the Temperature Structure of the Solar Atmosphere (1997) (2)
Alpha Centauri Beyond the Crossroads (2018) (2)
Solar-stellar research and the dynamo problem (2014) (2)
Ultraviolet emission lines and optical photometry of the flare star AT Microscopii (1988) (2)
Ultraviolet emission lines of Si II in cool star and solar spectra (2015) (2)
STAR - A Scientific Toolkit for Astrophysical Research (1990) (2)
In the Trenches of the Solar–Stellar Connection. VI. Total EclipSS (2022) (2)
MULTISITE CONTINUOUS SPECTROSCOPY .2. SPECTROPHOTOMETRY AND ENERGY BUDGET OF EXCEPTIONAL WHITE-LIGHT FLARES ON HR-1099 FROM THE MUSICOS-89 CAMPAIGN (1994) (2)
The Rapid Acquisition Imaging Spectrograph Experiment (RAISE) Sounding Rocket Investigation (2016) (2)
The Relationship Between Radiative and Magnetic Fluxes on Three Active Solar-type Dwarfs (1994) (2)
The Cool Half of the HR Diagram in Soft X-Rays (1980) (2)
ALMA Observations of the Sun in Cycle 4 and Beyond (2016) (2)
Magnetic Structures and Giant Flares in HR1099 (1996) (1)
Mass-Loss and Magnetic Fields as Revealed Through Stellar X-ray Spectroscopy (2009) (1)
Chandra X-ray Time-Domain Study of Alpha Centauri AB, Procyon, and their Environs (2018) (1)
The Carbon Isotope Composition of the Sun (2017) (1)
Progress report: Precise measurements of radial velocities of far-ultraviolet emission lines in stars of late spectral type (1986) (1)
The Solar Oxygen Problem: Crisis, Catastrophe, or Opportunity? (2008) (1)
The Ups and Downs of Alpha Centauri (2013) (1)
The Solar Oxygen Crisis, Revisited (2012) (1)
Ironing Out the Wrinkles in STIS (2010) (1)
The center-to-limb behavior of Ca i λ6573 and [Ca ii] λ7324 (1978) (1)
The HST Treasury "Advanced Spectral Library" (ASTRAL) Programs (2014) (1)
Thermal bifurcation as a driver of stellar surface inhomogeneities (review) (1996) (1)
Key problems in cool-star astrophysics (2006) (1)
Hot Times in the Hertzsprung Gap (1996) (1)
CxO (x=16,17,18) Isotopologue Ratios in the Solar Photosphere (2015) (1)
On the Same Wavelength as the Space Telescope Imaging Spectrograph (2022) (1)
Discovery of upper photospheric temperature inversions or chromospheres in early A stars (1973) (1)
The Advanced Spectral Library (ASTRAL) Project (2014) (1)
Stellar Activity on Young Stars in the Local Association: FUSE Observations of the Beta Pic and Tucana-horologium Moving Groups (2006) (1)
HD 41004: A Photometric Sheep in Wolf's Clothing? (2021) (1)
Wavelength Calibration Accuracy for the STIS CCD and MAMA Modes (2011) (1)
A Model for the Chromosphere of Procyon. (1972) (1)
Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet (2023) (1)
Stellar Upper Photosphere Models Based on the Ca II K-wing. II. The Coherent Scattering Approximation (1975) (1)
The Many Faces of HR 1099 (1982) (1)
Dynamos and magnetic fields of the Sun and other cool stars, and their role in the formation and evolution of stars and in the habitability of planets (2009) (1)
Extreme Ultraviolet Spectroscopy of Capella (1992) (1)
Precise measurements of radial velocities of emission lines in the far-ultraviolet spectra of late-type stars (1984) (0)
High-Resolution Thermal Infrared Imaging of the Sun: A Pipe Dream? (1999) (0)
The Soho-Stellar Re-Connection (2004) (0)
List of Contributors (2019) (0)
Origins, Structure and Evolution of Magnetic Activity in the Cool Half of the H-R Diagram: A STIS Survey (1999) (0)
Probing the Multi-Wavelength Nature of Stellar Flares (2000) (0)
The Formation of the Hɛ Emission Feature in Late-Type Stars (1974) (0)
CO isotopologue ratios in the solar photosphere (2015) (0)
In the Trenches of the Solar–Stellar Connection. VII. Wilson–Bappu 2022 (2023) (0)
X-Ray Chronicles of Alpha Centauri: The Swooning of α Cen B (2022) (0)
The Deep Lamp Project (2004) (0)
IUE Observations of the RS CVn Stars HR 1099 and λ And (1978) (0)
HST STIS Observations of ζ Aurigae A's Irradiated Atmosphere (2022) (0)
Capella: 1/2 of an RS CVn? (1979) (0)
Mining the Advanced Spectral Library (ASTRAL): Fluorescence in Evolved M-Stars (2013) (0)
Gappers and Clumpers, Cont'd (1994) (0)
a tale of Two G Stars (2001) (0)
A cycle-4 survey of RS CVn binary systems (2006) (0)
Stellar spectroscopy with HST (1996) (0)
COMMISSION 36: THEORY OF STELLAR ATMOSPHERES (2007) (0)
A New Spin on FK Comae (2004) (0)
λ Vel (K4 Ib-II): Fluorescence on a PAR with Other Luminaries (2011) (0)
SIGNAL-TO-NOISE RATIOS IN IUE SWP-LO SPECTRA OF CHROMOSPHERIC EMISSION-LINE SOURCES (1990) (0)
DIVISION IV: COMMISSION 36: THEORY OF STELLAR ATMOSPHERES (2013) (0)
ISOTOPOLOGUE RATIOS IN THE SOLAR (2015) (0)
STIS Observations of the Hybrid-Chromosphere Star alpha TrA (CD-ROM Directory: contribs/linsky2) (2001) (0)
A Far-Ultraviolet Study of the Bright Delta Scuti Variable Beta Cassiopeia (1984) (0)
Chandra HETGS Observations of the Active Binary sigma2 Coronae Borealis (2002) (0)
The Old Feeble Transition Regions and Coronae of Solar-like Dwarf Stars in the Arcturus Moving Group (2012) (0)
EK Draconis: Warm Coronal Rain? (2011) (0)
The Solar-Stellar Connection (NAG5-6124: SOHO Guest Investigator Program) (1997) (0)
FTS Observation of CO Fundamental Bands in Cool Stellar Atmospheres (1989) (0)
Far-UV spectroscopy of Arcturus with HST STIS (2001) (0)
Three short-period binaries seen at high-dispersion UX ARI, IOTA TRI and HA5110 (1984) (0)
High Resolution IR, Visible, and UV Spectroscopy of the Sun and Arcturus (2000) (0)
Procyon: New Candidate for the Dynamo Clinical Trial (2015) (0)
VizieR Online Data Catalog: ASTRAL: reference spectra for evolved M stars (Carpenter+, 2018) (2019) (0)
An Accurate Mass of the 31 Cygni Red Supergiant (2018) (0)
Origins, Structure, and Evolution of Magnetic Activity in the Cool Half of the H--R Diagram: Progress Report on a Major HST STIS Stellar Survey (2000) (0)
The Oxygen Isotope Composition of the Solar Photosphere Determined from CO Observations (2016) (0)
"Coronal" vs. "Noncoronal" Giants: A Spectral Comparison of alpha Boo and beta Gem (2001) (0)
Detections of CO in the Circumstellar Shells of R Coronae Borealis Stars (1999) (0)
The Corona of the Remarkable Hertzsprung-Gap Giant HR 9024 (1998) (0)
STIS observations of the transition region of zeta Doradus (2001) (0)
Solar carbon monoxide: poster child for 3D effects . (2013) (0)
Chandra HETG Spectroscopy of the F0 Ib Supergiant Canopus (2000) (0)
A Far-Ultraviolet Spectroscopic Survey of RS CVn Binary Systems (2003) (0)
XMM-Newton observations of Pleiades-age K dwarfs (2005) (0)
Fossil Magnetospheres Confront Newborn Dynamos in the Rapid Braking Zone (2004) (0)
Those Cool Stars...So Hot Right Now (2006) (0)
Alpha Cen: Climbing out of a Coronal Recession? {year 2 continuation} (2011) (0)
Progress report on the analysis of long exposure SWP high-resolution spectra of cool stars. Final report (1984) (0)
The Fundamental Physical Processes Producing and Controlling Stellar Coronal/Transition Region/Chromospheric Activity and Structure (2000) (0)
Doppler-Dissection of UX Arietis (1988) (0)
Stellar Activity and Outer Atmospheric Structure of Yellow Supergiants from HST STIS and GHRS Spectroscopy (2000) (0)
How Hot - and Variable - are the Coronae of Hertzsprung-Gap Giants? (1998) (0)
Chromosphere: Thermal Bifurcation (2000) (0)
FUV Spectroscopy Of Outflows And Disks Around The Intermediate Mass Pre-main-sequence Stars HD135344B And HD104237 (2011) (0)
Activity on both components of HR 1099 (1986) (0)
"Coronal" vs. "Noncoronal" Giants: A Spectral Comparison of α Boo and β Gem (CD-ROM Directory: contribs/osten) (2001) (0)
it HST STIS Observations of Fluoresced Molecular Hydrogen Emission in Diverse Stellar Environments (2001) (0)
The Holely Coronal Graveyard (2004) (0)
A simple explanation of the Wilson-Bappu effect. (1973) (0)
Mining the Advanced Spectral Library (ASTRAL): Characterizing Winds of Evolved M-Stars (2013) (0)
Chromospheric Structure and Dynamics--Observations (1997) (0)
Further Resolving the Puzzle of Hybrid Star X-rays (2005) (0)
Does H− truly cool the solar chromosphere? (1980) (0)
The center-to-limb behavior of Ca I lambda 6573 and Ca II lambda 7324 (1978) (0)
The Initial C Isotope Ratio for the Solar System (2017) (0)
Appendix - Empirical Estimates of Noise Levels in IUE Low-Dispersion Spectra (1982) (0)
The Further Fainting of Alpha Cen A (2007) (0)
Digging for Fossils in the Hertzsprung Gap (1999) (0)
STIS Observations of the Transition Region of ζ Doradus (CD-ROM Directory: contribs/redfield) (2001) (0)
Excitation of the Chlorine I Line at 1351Å (1981) (0)
The abundance pattern of heavy elements in Sirius: Impact of modern observations (STIS) and improved Atomic data (2015) (0)
A Giant Far-Ultraviolet Flare on Young Solar Analog EK Draconis (2015) (0)
Far-UV Spectra of Solar Proxies in Young Galactic Clusters (1997) (0)
Searching for a gas cloud surrounding the WASP-18 planetary system (2014) (0)
Cool Star Chromospheres and the Sun (2001) (0)
COmospheres and Coronae (1994) (0)
A Deep, Doppler-Compensated IUE SWP Echellogram of the KO Primary of HR 1099 (1987) (0)
Wind or Antiwinds (1984) (0)
Predicting the Extreme-UV and Lyman-α Fluxes Received by Exoplanets from their Host Stars (2015) (0)
Fundamental Physics from Observations of White Dwarf Stars (2017) (0)
Hubble Observations of D/H in the Local ISM and Consequences for Cosmology (1995) (0)
The Carbon Isotope Ratio of the Sun and Implications for the Solar Nebula (2018) (0)
What can ISM and non-photospheric highly ionised lines in white dwarf spectra reveal about the β CMa tunnel? (2019) (0)
Young Star Populations in the Kepler Field (2013) (0)
Coordinated Chandra HETGS and VLA Radio Observations of the Active Coronae on the Short-Period Binary ER Vul (G0 V + G5 V) (2001) (0)
An unprecedented view of hot-star atmospheres from ASTRAL-II UV spectra: the early-types sample (2015) (0)
Sleuthing the Dynamo II (1989) (0)
Outer atmospheric properties of beta Draconis (G2 Ib-II) (1982) (0)
The Old Feeble Coronae of Solar-like Dwarf Stars in the Arcturus Moving Group (2006) (0)
Hybrid-Star Coronal X-ray Sources (2003) (0)
A progress report on the analysis of long exposure SWP high resolution spectra of cool stars. (1984) (0)
TZ Fornacis - An eclipsing Capella-like system observed with the IUE (1986) (0)
DIVISION G COMMISSION 36: THEORY OF STELLAR ATMOSPHERES (2013) (0)
Ecliptic-poles Stellar Survey (EclipSS) (2017) (0)
HST/STIS Advanced Spectral Library (ASTRAL) (2014) (0)
Alpha Centauri at a Crossroads (2015) (0)
Flaring on RS CVn systems: Results from EUVE Photometry (1998) (0)
CO fundamental lines - Indicators for inhomogeneous atmospheres in cool stars (1990) (0)
A Critical Test of the SWP Wavelenght Scale (1985) (0)
Fossil Magnetospheres Confront Newborn Dynamos (2015) (0)
Accuracy and Precision of Measuring Emission Line Velocities with the Space Telescope Imaging Spectrograph (2003) (0)
The Solar Chromosphere: Old Challenges, New Frontiers A White Paper Submitted to the Astro2010 Decadal Survey (2009) (0)
Chandra and HST Observations of the High Energy (X-ray/UV) Radiation Fields for an Evolutionary Sequence of Pre-Main-Sequence Stars (2010) (0)
Anomalous Coronae of Yellow Giants and Supergiants (2005) (0)
RAISE (Rapid Acquisition Imaging Spectrograph Experiment): Results and Instrument Status (2015) (0)
Sleuthing the Dynamo: Cycle 2 Continuation (1991) (0)
Scientific problems addressed by the Spektr-UV space project (world space Observatory—Ultraviolet) (2016) (0)
Ultraviolet and Extreme Ultraviolet Emission of Host Stars and Effects on Exoplanet Atmospheres (2013) (0)
Resolving the Puzzle of Hybrid Star Coronal X-rays (2004) (0)
Solar Spectroscopy: Infrared Emission (2000) (0)
The corona of the K5 giant γ Dra, and its relation to the hybrid-chromosphere stars (1994) (0)
Chandra and GALEX observations of stellar activity on the 7 Gyr old Arcturus Moving Group dwarfs (2009) (0)
Deep GRISM Survey of the Hyades Cluster. Ii. (2006) (0)
The Age of the Hyades (1988) (0)
Determination of Absolute Velocities for Emission Lines of Late-Type Stars (1983) (0)
Mining the HST Treasury: The ASTRAL Reference Spectra for Evolved M Stars (2012) (0)
The Ultraviolet Spectroscopic Legacy of HST (2016) (0)
The Cool-Star Spectral Catalog: A Uniform Collection of IUE SWP-LOs (1992) (0)
An Upper Photosphere Model for Arcturus (K2 III) Based on Partial Redistribution and the Ca II K-line Inner Wings (1974) (0)
HST/STIS Observations of the Local Interstellar Medium toward Very Nearby Stars: A Detailed Analysis of the a Centuari Sight Line (2017) (0)
HST/COS Ecliptic-poles Stellar Survey (EclipSS) (2019) (0)
Four years of multi-wavelength observations of the RSC Vn system HR 1099 (V711 Tau) (2002) (0)
The Coronal X-ray Deficiency Syndrome (1993) (0)
UV and optical observations of AT Mic (1986) (0)
Distant Futures of Solar Activity (1997) (0)
Exploring High Time Resolution Coronal Dynamics with the Rapid Acquisition Imaging Spectrograph (RAISE) Sounding Rocket Program (2006) (0)
Red Giant Atmospheres, through the Lens of UV Spectroscopy (2013) (0)
SpS1-Digging in the solar COmosphere with NAC (2009) (0)
Coronal Activity on Rapidly-Rotating Solar-Like Stars: Chandra Observations of ER Vul (2004) (0)
Reconstructing the Stellar UV and EUV Emission that Controls the Chemistry of Exoplanet Atmospheres (2012) (0)
COmospheres and Beyond (2005) (0)
High resolution EUV spectroscopy of 56 Pegasi (KO 2p + wd) (1982) (0)
Exploration of the CO Fundamental Bands in Late Type Stars (1986) (0)
Atmospheric Dynamics and Mass Loss in Gappers, Clumpers, and Hybrids CYC4 - Medium (1994) (0)
Coordinated Observations of the Active Binary σ 2 CrB with Chandra, EUVE, and the VLA (2000) (0)
Advanced Spectral Library II: Hot Stars (2013) (0)
Stellar X-ray Cycles: the Shape of Things to Come (2018) (0)
HST STIS Coronal Iron Survey (2001) (0)
Gappers and Clumpers, Cont'd. EUVE Guest Investigator Program (1997) (0)
High dispersion IUE spectra of active chromosphere G and K dwarfs (1982) (0)
Mining the HST "Advanced Spectral Library (ASTRAL) - Hot Stars": The High Definition UV Spectrum of the Ap Star HR 465 (2014) (0)
Tortured Coronae in the Rapid Breaking Zone (2000) (0)
The Amazing COS FUV (1320 - 1460 Å) Spectrum of λ Vel (K4Ib-II) 1 (2011) (0)
Deep SWP-HI of Lux Arietis (1987) (0)
The Cycles of Alpha Centauri (2008) (0)
THE Mg II H AND K Lines in a Sample of DME and DM Stars (1981) (0)
The Fe Group Abundances in the B3 IV Standard ι Herculis Determined from ASTRAL II Observations (2017) (0)
Observing the Sun as a Star; Observing Stars as Suns (1984) (0)
The Stellar-Solar Connection (2004) (0)
The Dynamo Clinical Trial (2016) (0)
Fourier Transform Spectroscopy in Solar Astronomy (2022) (0)
Solar/Stellar Irradiance Comparison Experiment (SOLSTICE) on the Upper Atmosphere Research Satellite (UARS) (2003) (0)
The Structure and Energy Balance in Main Sequence Stars (1983) (0)
The Solar Oxygen Abundance, and the Rare Isotopes of C and O, Derived from Infrared Spectra of Carbon Monoxide (2005) (0)
King of Spin 1 : The COCOA-PUFS 2 Project (0)
The High-Energy Environs of the Anomalous Coronal Source Alpha Persei (2015) (0)
Coronal Iron Survey The Yellow Giants (2002) (0)
A Multi-Observatory View of the Alpha Persei Coronal Conundrum (2017) (0)
Strip-Mining the Coronal Graveyard (2006) (0)
Upper limits on extreme ultraviolet radiation from nearby main sequence and subgiant stars (1978) (0)
Stellar and Solar Chromospheres and Attendant Phenomena (2019) (0)
Hertzsprung Gap Coronae: ASCA Guest Investigator Program (1997) (0)
Effects of flux tubes on conventional chromospheric diagnostics (1980) (0)
Future Observations with the Rapid Acquisition Imaging Spectrograph (RAISE) (2004) (0)
Stellar coronae: New insights into fundamental questions (Invited) (2001) (0)
High Energy (X-ray/UV) Radiation Fields of Young, Low-Mass Stars Observed with Chandra and HST (2010) (0)
Isotopic CO in the Solar Photosphere, Viewed Through the Lens of 3D Spectrum Synthesis (2013) (0)
High Resolution IUE Observations of α AUR: Is the Outer Atmosphere of Capella Similar to a Sunspot? (1978) (0)
The Quiescent and Flaring Atmosphere of the dMe Flare Star EV Lacertae (2002) (0)
The Magnetic Lives of Giant Stars (1999) (0)
High-Resolution Studies of Arcturus with IUE &Einstein: A Sensitive Search for High-Temperature Emission (1981) (0)
X-ray Emission from Young Stars in the TW Hya Association (2014) (0)
The Outer Atmosphere of Canopus: Detection of a Fast Stellar Wind from an F Supergiant (2003) (0)
Using Kepler Data to Characterize the Flare Properties of GK Stars (2012) (0)
The Hubble Space Telescope Advanced Spectral Library Project (2015) (0)
The Open University ’ s repository of research publications and other research outputs Characterising exoplanets and their environment with UV transmission spectroscopy Other (2016) (0)
High Time Cadence Observations with the Rapid Acquisition Imaging Spectrograph (RAISE) Rocket Program (2004) (0)
Non-thermal motions and atmospheric heating of cool stars (2023) (0)
Multi-Wavelength Observations of EV Lacertae (2004) (0)
Solar carbon monoxide : poster child for 3 D e ects (2013) (0)
The Hydrogen Hole at the North Galactic Pole (1995) (0)
A Deep, Doppler-Compensated, SWP Echellogram of HR 1099 (1986) (0)
Deep Lamp Too (2010) (0)
Commission 36: Theory of Stellar Atmospheres (2005) (0)
SNAPing Coronal Iron (2009) (0)
An IUE high-dispersion cool-star atlas (1986) (0)
HRC Imaging of the `Fainted' Primary of the Alpha Centauri System (2004) (0)
Dynamics of Coronal Iron Lines in Cool Stars based on FUSE and HST/STIS Observations (2003) (0)
Multiwavelength Coronal Studies of the RS CVn Binaries sigma (2) CrB and HR1099 (1997) (0)
Starspot variability and evolution from modeling Kepler photometry of active late-type stars (2010) (0)
The Potential of High Angular Resolution and Contrast FUV Imagery for Studies of Star and Planetary System Formation (2011) (0)
Alpha Cen to the Max (2010) (0)
Chandra Observations of Coronal Emission from the Early-G Supergiants Alpha and Beta Aquarii (0)
The Stellar-IRIS Connection: Four Years of FUV Measurements of Alpha Centauri by HST/STIS (2014) (0)
IUE Observations of the RS CVn Binary - TZ Tri (1984) (0)
STIS UV Atlas of the Red Giant Arcturus(1) (1999) (0)
Sleuthing the dynamo: HST/FOS observations of the UV emission of solar-type stars in young galactic clusters (1994) (0)
A light carbon isotope composition for the Sun (2018) (0)
The Capella Dichotomy: Paradigm Lost? (1992) (0)
The Cold Heart of the Solar Chromosphere (2016) (0)
Calibrations of wavelengths in SWP echelle spectra (1984) (0)
An IUE's eye view of cool-star outer atmospheres (1981) (0)
The Solar-Stellar Connection ( NAG 5-6124 : SOHO (0)
Sleuthing the Dynamo: the Final Frontier (1996) (0)
Long-Term Cycles in the Magnetic Active Regions of Cool Stars (1986) (0)
Intermediate method for clarinet (1962) (0)
An Extensive Survey of Photospheric Magnetic Fields in G and K Dwarfs (1985) (0)
Ironing Out the Wrinkles (2008) (0)
PHOENIX IR Spectra of CO in the Sun and the Stars (1998) (0)
The Discovery of a Photoevaporation-Driven Molecular Outflow from the T Tauri Transitional Disk GM Aur (2011) (0)
The Carbon Isotope Composition of the Sun: Implications for Solar System Formation (2017) (0)
The Spectral Variability of BP Tauri (1994) (0)
36. THEORY OF STELLAR ATMOSPHERES (THfiORIE DES ATMOSPHERES STELLAIRES) (2015) (0)
Translimb Spectroscopy with SOHO/SUMER (1997) (0)
Kepler Observations of Starspot Evolution, Differential Rotation, and Flares on Late-Type Stars (2011) (0)
Sleuthing the Dynamo: HST/FOS Observations of UV Emissions of Solar-Type Stars in Young Clusters (1994) (0)
The delta upsilon = 1 fundamental bands of carbon monoxide in late-type stars (1987) (0)
Bridging STIS's Neutral Density Desert (2011) (0)
The Carbon Isotope Composition of the Solar Photosphere (2016) (0)
The Wind Temperature and Mass-loss Rate of Arcturus (K1.5 III) (2022) (0)
On the Temperature Structure of α TrA's Wind (2000) (0)
High dispersion far ultraviolet spectra of cool stars (1982) (0)
A Model for the Chromosphere of Arcturus. (1973) (0)
Solar Science with the Atacama Large Millimeter/Submillimeter Array—A New View of Our Sun (2015) (0)
VizieR Online Data Catalog: StarCAT: STIS UV echelle spectra of stars (Ayres, 2010) (2010) (0)
Filling in the Coronal Graveyard (1996) (0)
Far-ultraviolet observations of the Delti-Scuti variable Beta Cassiopeiae (1987) (0)
The Flare-Ona of 31 Comae (1994) (0)
Status of RAISE, the Rapid Acquisition Imaging Spectrograph Experiment (2013) (0)
Thermal Bifurcation in Solar Calcium Plages (1981) (0)
The Dichotomy between Co Absorptions and ca II Emissions in the Sun and Stars: An Indirect Diagnostic for Gas Disturbed by Magnetic Fields? 1 (1986) (0)

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What Schools Are Affiliated With Thomas R. Ayres?

Thomas R. Ayres is affiliated with the following schools:

University of Colorado