Oddbjørn Engvold
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Norwegian astronomer
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(Suggest an Edit or Addition)According to Wikipedia, Oddbjørn Engvold is a Norwegian astronomer. He was born in Askim. His specialty is solar physics, and he was appointed as a professor at the University of Oslo in 1989. He was secretary general of the International Astronomical Union from 2003 to 2006 and a member of the board of Norwegian Academy of Science and Letters from 1993 to 1998.
Oddbjørn Engvold's Published Works
Number of citations in a given year to any of this author's works
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
- Counter-streaming gas flows in solar prominences as evidence for vertical magnetic fields (1998) (211)
- Thin Threads of Solar Filaments (2005) (196)
- Microflares in the solar magnetic network (1987) (130)
- Counterstreaming in a Large Polar Crown Filament (2003) (120)
- Evidence of Traveling Waves in Filament Threads (2007) (109)
- SWAYING THREADS OF A SOLAR FILAMENT (2009) (82)
- Structure and oscillations in quiescent filaments from observations in He i λ10830 å (1991) (65)
- Accurate vessel width measurement from fundus photographs: a new concept. (1994) (64)
- Microphotometry of the blood column and the light streak on retinal vessels in fundus photographs (1986) (57)
- A Method of Resolving the 180-Degree Ambiguity by Employing the Chirality of Solar Features (2008) (52)
- Vertical velocities and oscillations in quiescent filaments (1991) (51)
- Gas Flows in the Transition Region above Sunspots (1988) (44)
- Description and Classification of Prominences (2015) (43)
- Solar Filaments and Photospheric Network (2005) (37)
- 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)
- Modeling of prominence threads in magnetic fields: Levitation by incompressible MHD waves (2000) (31)
- Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars (1983) (31)
- Identification of the CrH molecule in a sunspot spectrum. (1980) (30)
- Filament activation and magnetic reconnection (2002) (29)
- On the Nature of Prominence Absorption and Emission in Highly Ionized Iron and in Neutral Hydrogen (2001) (29)
- The Prominence-Corona Transition Region in transverse magnetic fields (1992) (24)
- Flows in quiescent prominences (1994) (22)
- The Parallel Worlds of Christoph Scheiner and Galileo Galilei (2016) (21)
- Hvar reference atmosphere of quiescent prominences (1990) (20)
- Emergence of sheared magnetic flux tubes in an active region observed with the SVST and TRACE (2000) (19)
- The link between CMEs, filaments and filament channels (2008) (17)
- The Solar Chemical Composition (1977) (17)
- Kinematics of a loop prominence (1979) (16)
- On small active region filaments, fibrils and surges (2008) (16)
- Why does the spotted UX Ari system get bluer as it gets darker (2003) (16)
- On Pikel'ner's theory of prominences (1977) (16)
- Filigree, magnetic fields, and flows in the photosphere (1993) (15)
- The internal motion of quiescent prominences (1972) (15)
- Tests of vacuum vs helium in a solar telescope. (1983) (14)
- An eruptive prominence of June 10, 1973 (1974) (14)
- Nonequilibrium phenomena in plasmas (2005) (13)
- Structures and Dynamics of Solar Filaments - challenges in observing and modeling (2004) (13)
- Filament Substructures and their Interrelation (2008) (13)
- The diatomic molecules BH, BN, and BO in sunspots and the solar abundance of boron (1970) (12)
- The Sun as a Guide to Stellar Physics (2019) (12)
- Solar abundance determination (1970) (12)
- SMALL-SCALE, DYNAMIC BRIGHT BLOBS IN SOLAR FILAMENTS AND ACTIVE REGIONS (2012) (11)
- A reduced upper limit to the solar boron abundance (1975) (11)
- On the K line of CaII in sunspots (1967) (10)
- Identification of FeH molecular lines in the spectrum of a sunspot umbra (1998) (10)
- Filament oscillations as evidence for Alfvén waves (1994) (10)
- The Build-Up to Eruptive Solar Events Viewed as the Development of Chiral Systems (2012) (10)
- Far-ultraviolet and X-ray emission of the long period RS CVn star Sigma Geminorum (1988) (10)
- Separation of high resolution spectra of the multiple star system UX Ari (2003) (9)
- Large Earth-based Solar Telescope—LEST (1991) (8)
- X-ray spectrum of sigma Geminorum: an RS Canum Venaticorum type binary (1987) (8)
- Observations of Filament Structure and Dynamics (Review) (1998) (8)
- A comparison of spicules in the Hα and HeII (304 Å) lines (1975) (8)
- Why is the Sun’s corona so hot? Why are prominences so cool? (2017) (7)
- The Chemical Composition of the Solar Atmosphere (1970) (7)
- Observational aspects of prominence oscillations (2007) (6)
- DYNAMICS OF SOLAR MAGNETIC ARCHES IN THE PHOTOSPHERE AND THE CHROMOSPHERE (1996) (6)
- The Ca ii emission lines in quiescent prominences (1977) (6)
- SOLAR TELESCOPES FILLED WITH HELIUM (1981) (5)
- Observations of Filament Structure and Dynamics (1998) (5)
- Adaptive optics in solar observations (1987) (5)
- Structure and Oscillations in Quiescent Filaments from Observations in He I Wavelength 10830 A (1991) (5)
- SOLAR LITHIUM ABUNDANCE. (1970) (4)
- LEST design. Status of the design of the Large Earth-Based Solar Telescope (1990) (4)
- The light streak on retinal vessels (1986) (4)
- Absolute redshifts in the C iv 1548 Å line in the transition region of the quiet Sun (1992) (4)
- On the position of sunspots in the core of Hα relative to the continuum (1969) (3)
- The Near-Infrared Capabilities of Lest (1994) (3)
- The prominence-corona transition region. (1988) (3)
- Highlights of Astronomy. Volume 13, as presented at the XXVth General Assembly of the IAU - 2003 (2005) (2)
- Distribution of velocities in the pre-eruptive phase of a quiescent prominence (1990) (2)
- "Coronal Cloud" Prominences And Their Association With Coronal Mass Ejections (2006) (2)
- Design of the LEST Slow Wavefront Sensor (1993) (2)
- A UV spectral atlas of a prominence (1990) (2)
- DOUBLE-K2 EMISSION LINE OBSERVED IN SUNSPOTS AND IN PROMINENCES (1969) (2)
- Filament Channels in the Corona (1997) (2)
- The physics of the solar corona and transition region : proceedings of the Monterey Workshop, held in Monterey, California, August 1999 (2000) (2)
- Ultraviolet emission lines and optical photometry of the flare star AT Microscopii (1988) (2)
- A high dispersion spectrum 6610 Å to 6770 Å of a large sunspot (1973) (2)
- Temperatures of quiescent prominences measured from hydrogen Paschen and CaII IR lines (1986) (1)
- An analytical representation for photographic characteristic curves. (1975) (1)
- Prominence seismology using ground- and space-based observations (2012) (1)
- Absolute flows in the solar transition region (1990) (1)
- Frequency Redistribution Effects in the Formation of Lyman α in Prominences and Their Influence on the Ratio of Hα to Lα (1979) (1)
- Addendum to Technical Report No. 38: comments of the LEST Site Investigation Team on the referee's reports. (1989) (1)
- Solar Physics Announces Cd-Rom (1997) (1)
- The Wilson-Bappu effect of the MgII K line - dependence on stellar temperature, activity and metallicity (1999) (1)
- Vertical motions in quiescent prominences observed in the He I λ10830 Å line. (1981) (1)
- Gas Flow in the Chromosphere of α Ori (1982) (1)
- A NUMERICAL SIMULATION OF THE WILSON-BAPPU RELATIONSHIP (1997) (1)
- CHEMICAL COMPOSITION OF THE SOLAR ATMOSPHERE. Report No. 31. (1970) (1)
- Relating a Prominence Observed from the Solar Optical Telescope on the Hinode Satellite to Known 3-D Structures of Filaments (2009) (1)
- Solar center-limb variation of the Ca II K line and the Wilson-Bappu effect. (1983) (1)
- Progress report: Precise measurements of radial velocities of far-ultraviolet emission lines in stars of late spectral type (1986) (1)
- Chromospheric and coronal manifestations of photospheric cancelling magnetic fields (2008) (1)
- Cold Matter in Filament Channels (1994) (1)
- LEST design study. (1984) (1)
- Kinematics of a System of Loop Prominences (1979) (1)
- Preliminary results from studies of high resolution line spectra of late-type giant and supergiant stars (1984) (1)
- New Observational Aspects (1990) (1)
- IAU’s Interaction with Young Astronomers (2018) (1)
- Active Region Evolution Through Coordinated Observations (1993) (1)
- Proposal for an alignment system for the primary and secondary mirrorof LEST. (1988) (0)
- Distinguishing Between Coronal Cloud (2016) (0)
- A Study of Hydrogen Density in Emerging Flux Loops from a Coordinated TRACE and Canary Islands Observation Campaign (1999) (0)
- Synergies among the IAU Offices (2018) (0)
- Solar Prominence Fine Structure (2000) (0)
- Vertical motions in the quiescent prominences observed in the He I Lambda10830Angstrom line (1986) (0)
- The Planning and Preliminary Design of LEST-A Solar Telescope for High Spatial Resolution and Polarimetric Observations (1985) (0)
- EXECUTIVE COMMITTEE WORKING GROUP YOUNG ASTRONOMERS EVENTS (2007) (0)
- Investigation of the spot distribution and surface differential rotation on x (1999) (0)
- IUE Echelle Mode Observations Contrasting Coronal and Non-Coronal Late Type Giant and Supergiant Stars (1981) (0)
- The LEST project (1990) (0)
- The umbra/photosphere contrast of a large sunspot in high spectral resolution. (1983) (0)
- Cold Matter in Filament Channels (Invited) (1994) (0)
- Evidence for the Formation of Faint, High Prominences in the Aftermath of two Faint CMEs (2005) (0)
- A comparison of spicules in the H$alpha$ and He II (304A) lines. Research note (1975) (0)
- INTER-DIVISION IX-X-XI WORKING GROUP ASTRONOMY FROM THE MOON (2008) (0)
- Editorial Appreciation (2006) (0)
- Large European Solar Telescope (LEST) - A solar telescope for high spatial resolution and polarimetric observations (1984) (0)
- LEST optical system: Study of solutions for the mirror figures. (1985) (0)
- 10 Solar activity (1997) (0)
- Reports on Astronomy 1996 from IAU Commissions 10, 12 and 49 (1997) (0)
- The large European solar telescope (1985) (0)
- High dispersion far ultraviolet spectra of cool stars (1982) (0)
- Addendum to the LEST Design report. (1990) (0)
- Velocity Fields of a Filament Region Observed with Ground-Based Telescopes and from SOHO (1998) (0)
- ROSAT observations of the RSCVn binary sigma Geminorum (1997) (0)
- SIMULTANEOUS OBSERVATIONS OF H-ALPHA AND THE K-LINE OF CA II IN THE SOLAR SPECTRUM, (1967) (0)
- Mapping of Chrosmospheric Active Regions on UX Ari (1996) (0)
- Precise measurements of radial velocities of emission lines in the far-ultraviolet spectra of late-type stars (1984) (0)
- Distinguishing between coronal cloud prominences and channel prominences and their associations with solar and stellar flares (2015) (0)
- Problem areas in prominence research. (1997) (0)
- Deviation from the Wilson−Bappu relationship in faint red dwarf stars (1990) (0)
- List of Contributors (2019) (0)
- The Wilson-Bappu Relationship - a Barometric Effect (1987) (0)
- Distinguishing Between Different Types of Prominences Associated with Solar Flares (2015) (0)
- STELLAR ACTIVITY AND THE WILSON-BAPPU RELATION (1997) (0)
- Book reviews (1983) (0)
- Magnetic Field Annihilation in Active Prominences. (1977) (0)
- A Precise Radial Velocity Study of SI III) Lambda 1892 and C III) Lambda 1909 Emission of Beta Draconis Winds or Antiwin (1984) (0)
- Chemical composition of the Sun and the formation of the elements. (1972) (0)
- N. U. Mayall-teleskopet ved Kitt Peak National Observatory. (1974) (0)
- A Deep, Doppler-Compensated IUE SWP Echellogram of the KO Primary of HR 1099 (1987) (0)
- DATE Executive Committee (2002) (0)
- Preface: Highlights of Astronomy. Volume 13 (2005) (0)
- Proceedings of the twenty-fifth General Assembly, Sydney, Australia, 2003 (2007) (0)
- Reports on astronomy (2007) (0)
- High Resolution Ca II K Spectra of the September 8, 1977 Loop System (1979) (0)
- The prominence-corona transition region analyzed from SL-2 HRTS (1990) (0)
- Commission 10: Solar Activity: (Activite Solaire) (2000) (0)
- Physics of the Sun and Heliosphere in the ERA of Space Probes: Scientific Highlights of SOHO, ULYSSES and Yohko (1998) (0)
- Fine-Structures and Dynamics of a Filament in EUV lines: SOHO/CDS and SUMER, TRACE (1999) (0)
- The Unique 3D Magnetic Structure of Filaments (2008) (0)
- The IAU Role (2006) (0)
- Vertical flows in a quiescent filament (1990) (0)
- ABUNDANCE OF BERYLLIUM IN THE SOLAR ATMOSPHERE. (1968) (0)
- Proceedings of the workshop on adaptive optics in solar observations,Freiburg, September 8 - 9, 1987. (1987) (0)
- Performance Test of the slow Wavefront Sensor for the Large Earthbased Solar Telescope LEST (1995) (0)
- Discoveries and Concepts (2019) (0)
- The Ultraviolet Variability Of Betelgeuse (1988) (0)
- LEST The Large Earth-Based Solar Telescope (1992) (0)
- Division II: Sun & heliosphere. Reports 1996 from IAU Commissions 10, 12 and 49. (1997) (0)
- Examples of high resolution observations of solar fine structures made at La Palma. (1989) (0)
- The Shape of Network Elements in the Solar Transition Zone. (1977) (0)
- LEST, Large European Solar Telescope : report on a study for the Joint Organisation for Solar Obse[r]vations (1982) (0)
- Absorption Lines of Feh in a Sunspot Spectrum (1983) (0)
- Physical conditions in the chromosphere of α Ori. (1983) (0)
- Vertical motions in quiescent prominences observed in the He i lambda 10830A line (1986) (0)
- High-Resolution Ground-Based Observations of the Sun (2019) (0)
- Small-Scale Magnetic Structures and Supergranulation Flows (1993) (0)
- Turbulent Velocity Fields in Quiescent Prominences (1982) (0)
- DIVISION XI / WG: ASTRONOMY FROM THE MOON (2007) (0)
- A Simple Method of Resolving the 180 Degree Ambiguity Employing the Chirality of Solar Features (2006) (0)
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