Jacques Beckers
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Dutch-born American astronomer
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(Suggest an Edit or Addition)According to Wikipedia, Jacques Maurice Beckers was a Dutch-born American astronomer. He was director of the National Solar Observatory between 1993 and 1998. Beckers worked mainly in the field of astrophysics and astronomical optometry.
Jacques Beckers'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
- ADAPTIVE OPTICS FOR ASTRONOMY: Principles, Performance, and Applications (1993) (495)
- Solar spicules (1968) (293)
- Increasing the size of the isoplanatic patch with multiconjugate adaptive optics. (1988) (248)
- The intensity, velocity and magnetic structure of a sunspot region (1968) (210)
- Chromospheric inhomogeneities in sunspot umbrae (1969) (181)
- The Solar Chromosphere and Corona: Quiet Sun (1975) (151)
- The Ultraviolet Spectrometer and Polarimeter on the Solar Maximum Mission (1980) (142)
- Detailed Compensation Of Atmospheric Seeing Using Multiconjugate Adaptive Optics (1989) (106)
- Oscillatory motions in sunspots (1972) (101)
- Achromatic linear retarders. (1971) (82)
- Spectral observations of spicules at two heights in the solar chromosphere (1968) (78)
- The profiles of fraunhofer lines in the presence of zeeman splitting (1969) (69)
- A high resolution spectral atlas of the solar irradiance from 380 to 700 nanometers (1976) (65)
- The profile and polarization of the coronal Lα line (1974) (65)
- Some comments on the limb shift of solar lines (1978) (64)
- Material motions in sunspot umbrae. (1977) (60)
- A Study of the Fine Structures in the Solar Chromosphere (1964) (58)
- Multiple mirror telescope as a phased array telescope. (1985) (56)
- The intensity, velocity and magnetic structure of a sunspot region (1968) (56)
- Differential Speckle Interferometry (1982) (55)
- The flux of Alfven waves in sunspots (1976) (54)
- The line response function of stellar atmospheres and the effective depth of line formation (1975) (52)
- The Euro50 Extremely Large Telescope (2003) (51)
- A Seeing Monitor for Solar and Other Extended Object Observations (2001) (51)
- High-resolution measurements of photosphere and sunspot velocity and magnetic fields using a narrow-band birefringent filter (1968) (49)
- Atmospheric dispersion correction for the FORS Focal Reducers at the ESO VLT (1997) (44)
- Vertical gradients of sunspot magnetic fields (1983) (43)
- Observations of the longitudinal magnetic field in the transition region and photosphere of a sunspot (1982) (43)
- Some comments on the limb shift of solar lines (1980) (36)
- The Magnetic Field of the BY Draconis Flare Star EQ Virginis (1986) (36)
- Observing the sun with a fully tunable Lyot-Ohman filter. (1975) (35)
- Comparative Solar Seeing and Scintillation Studies at the Fuxian Lake Solar Station (2001) (34)
- Study of the Undisturbed Chromosphere from Ha-DISK Filtergrams, with Particular Reference to the Indentification of Spicules. (1963) (33)
- High resolution spectroscopy of the disk chromosphere (1974) (31)
- A table of Zeeman Multiplets (1969) (31)
- High resolution spectroscopy of the disk chromosphere (1972) (30)
- Solar Site Survey for the Advanced Technology Solar Telescope. I. Analysis of the Seeing Data (2005) (29)
- Site testing for the Advanced Technology Solar Telescope (2006) (28)
- The interpretation of velocity filtergrams (1970) (28)
- Field Of View Considerations For Telescope Arrays (1986) (27)
- On the relation between scintillation and seeing observations of extended objects (1993) (26)
- Principles of operation of solar magnetographs (1968) (26)
- Alfvén waves in the corona above sunspots. (1977) (25)
- On the effect of narrow-band filters on the diffraction limited resolution of astronomical telescopes (1998) (23)
- The interpretation of velocity filtergrams (1969) (23)
- Impact linear polarization observed in a UV chromospheric line during a solar flare (1983) (23)
- VLT Interferometer: III. Factors affecting wide field-of-view operation (1990) (23)
- Overcoming perspective elongation effects in laser-guide-star-aided adaptive optics. (1992) (21)
- Motions in the solar atmosphere (1975) (21)
- Interferometric imaging with the Very Large Telescope (1991) (21)
- Preliminary observations and results obtained with the ultraviolet spectrometer and polarimeter. [for Solar Maximum Mission] (1981) (21)
- Solar Scintillometry: Calibration of Signals and its Use for Seeing Measurements (1997) (21)
- The intensity, velocity and magnetic structure of a sunspot region (1969) (21)
- Performance Of The Multiple Mirror Telescope (MMT) I. MMT-The First Of The Advanced Technology Telescopes (1982) (20)
- The profiles of fraunhofer lines in the presence of Zeeman splitting (1969) (20)
- National Optical Astronomy Observatories (NOAO) Infrared Adaptive Optics Program I: General Description (1986) (19)
- Photospheric brightness differences associated with the solar supergranulation (1968) (19)
- Solar site testing for the Advanced Technology Solar Telescope (2004) (18)
- ESO Conference on High-Resolution Imaging by Interferometry II : ground-based interferometry at visible and infrared wavelengths, 15-18 October 1991, Garching bei München, Germany : proceedings (1992) (17)
- Adaptive optics for the Euro50: design and performance (2003) (17)
- The proposed 50 m Swedish Extremely Large Telescope (2000) (17)
- Achromatic linear retarders with increased angular aperture. (1972) (17)
- Reliability of sunspots as tracers of solar surface rotation (1976) (16)
- Conductive flux in flaring solar chromospheres deduced from the linear polarization observations (1983) (16)
- Optical Interferometry With The MMT (1983) (16)
- Adaptive optics schemes for future extremely large telescopes (2002) (16)
- Using Laser Beacons for Daytime Adaptive Optics (2001) (16)
- The interpretation of velocity filtergrams (1969) (14)
- ATST seeing monitor: February 2002 observations at Fuxian Lake (2003) (14)
- Two-dimensional Images of Alpha Orionis (1986) (14)
- The Differential Speckle Interferometer (1984) (14)
- Dynamics of the solar photosphere (1981) (13)
- Control strategy for the adaptive optics of the Euro50 (2003) (13)
- Image Reconstruction Using Adaptive Optics (1988) (13)
- The Measurement of Solar Magnetic Fields (1971) (13)
- Correlation tracking algorithms for low-contrast extended object (2002) (12)
- Is there a solar polar vortex (1978) (11)
- Design of a large low-scattered light telescope for solar observations (1998) (11)
- Spectroscopy of 33 QSO candidates from the Jodrell Bank 966-MHz survey (1979) (11)
- High resolution spectroscopy of the disk chromosphere (1972) (10)
- Performance Of The Multiple Mirror Telescope (MMT) VI. MMT Telescope Coalignment System (1982) (10)
- On the relation between the photospheric intensity, velocity and magnetic fields (1968) (10)
- A Fully Tunable Lyot-Ohman Filter. (1975) (9)
- Narrow band filters based on magnetooptical effects. (1970) (9)
- A search for deuterium on the sun. (1975) (9)
- Rapid refocusing system for the Euro50 telescope aimed at removing the perspective elongation of laser beacons (2003) (9)
- Effects of Foreshortening on Shallow Sub-surface Flows Observed with Local Helioseismology (2007) (9)
- Imaging with array detectors using chopping and other forms of differential detection (1994) (9)
- Polarization Effects In Astronomical Spatial Interferometry (1990) (9)
- Adaptive Optics in Astronomy: Adaptive optics in solar astronomy (1999) (9)
- A time evolution study of limb spicule spectra (1976) (8)
- Sodium beacon wavefront sensing for the Euro50 telescope in the presence of perspective elongation (2004) (8)
- Performance Of The Multiple Mirror Telescope (MMT) III. Seeing Experiments With The MMT (1982) (8)
- The intensity, velocity and magnetic structure of a sunspot region (1968) (8)
- A comparison of spicules in the Hα and HeII (304 Å) lines (1975) (8)
- A photoelectric focus and seeing monitor for solar telescopes. (1966) (8)
- National Optical Astronomy Observatories (NOAO) IR Adaptive Optics Program III: Criteria For The Wavefront Sensor Selection (1986) (8)
- Application Of Adaptive Optics To Astronomy (1989) (7)
- Effects of heat sources in the telescope beam on astronomical image quality (1994) (7)
- Can variable meridional flows lead to false exoplanet detections (2007) (7)
- Interferometry with the Very Large Telescope. (1992) (7)
- From Euro50 toward a European ELT (2006) (7)
- VLT Interferometer: II. Factors affecting on-axis operation (1990) (7)
- Some comments on the limb shift of solar lines (1978) (7)
- Differential Speckle Imaging With The Cophased Multiple Mirror Telescope (1985) (7)
- Quiet Photosphere and Chromosphere (1977) (7)
- Some Thoughts on the Combination of Beams in Interferometers Using Telescopes of Unequal Size (1989) (7)
- A photographic polarimeter for solar observations. (1970) (7)
- The Design of the Auxiliary Telescopes for the VLT Interferometer (1992) (7)
- Very high-resolution spectroscopy for extremely large telescopes using pupil slicing and adaptive optics. (2007) (7)
- Multiconjugate adaptive optics: experiments in atmospheric tomography (2000) (7)
- "Differential speckle interferometry", a new tool for double star research. (1983) (6)
- Variations in the birefringence of quartz. (1967) (6)
- The Configuration of the VLT Interferometer on the Paranal Site (1992) (6)
- An ultraviolet polarimeter for the Solar Maximum Mission (1979) (6)
- Use Of The Coherent MMT For Diffraction Limited Imaging (1986) (6)
- High resolution spectroscopy of the disk chromosphere. V - Space-time variations observed simultaneously in seven lines (1977) (6)
- TRACKING ALGORITHM FOR LOW CONTRAST EXTENDED OBJECT (2001) (6)
- The Use Of The Multiple Mirror Telescope As A Phased Array (1984) (5)
- Conductive flux in the chromosphere derived from line linear polarization observation (1983) (5)
- Multi-conjugate Adaptive Optics: Experiment in Atmospheric Tomography (2002) (5)
- VLT interferometer: proposed implementation (1990) (5)
- The Sacramento Peak Observatory Universal Birefringent Filter (1973) (5)
- Adaptive optics for the 8-meter Chinese Giant Solar Telescope (2013) (5)
- Experiments in Differential Speckle Interferometry (1982) (5)
- The maximum polarization for resonance scattering (1974) (5)
- The polarization of coronal emission lines (1971) (5)
- A Near Infrared Astronomical Adaptive Optics System (1989) (5)
- The He+ λ 4686 line in the low chromosphere (1973) (5)
- A high resolution spectral atlas of the solar irradiance from 380 to 700 nanometers. Volume I. Tabular form. Environmental research papers (1976) (5)
- Removing Perspective Elongation Effects in Laser Guide Stars and Their Use in the ESO Very Large Telescope (1992) (5)
- Improving Solar Image Quality by Image Selection (1989) (5)
- Blind operation of optical astronomical interferometers options and predicted performance (1991) (5)
- Planning The National New Technology Telescope (NNTT) IV. Coalignment/Cophasing System (1986) (5)
- A Search for Solar Global Oscillations in the CA {\sc ii} K-Line (1977) (5)
- Site survey for a large solar telescope (1998) (5)
- VLT interferometer: IV. The utility of partial adaptive optics (1990) (4)
- A Solar Lyman Alpha Coronagraph (1984) (4)
- Grisms for infrared observations. (1988) (4)
- Experiences with the Multiple Mirror Telescope. (1979) (4)
- Using eclipse observations to test scintillation models (1995) (4)
- The NOAO/ADP adaptive optics program and its application to solar physics. (1987) (4)
- Planning the National New Technology Telescope (1986) (4)
- Solar Maximum Mission Experiment - Ultraviolet Spectroscopy and Polarimetry on the Solar Maximum Mission (1981) (4)
- The Use of the MMT for Interferometric Imaging (1984) (4)
- Inhomogeneities in the Evershed flow (1964) (4)
- A High Resolution Spectral Atlas of the Solar Irradiance from 380 to 700 Nanometers. Volume 1. Tabular Form (1976) (4)
- Planning the VLT interferometer (1990) (4)
- On the Relation Between Solar Granules and Spicules. (1964) (4)
- Site tests for CLEAR by solar scintillometry (1998) (4)
- Towards the Interferometric Imaging of Red Supergiants (2007) (3)
- An analysis of the observed contrast of solar surface granulation (2001) (3)
- Ir Thermography And Observatory Thermal Pollution (1986) (3)
- CLEAR: A Concept for a Coronagraph and Low Emissivity Astronomical Reflector (1995) (3)
- A Progress Report on the Implementation of the VLT Interferometer (1992) (3)
- Optimization of partial adaptive optics. (1992) (3)
- The History of the Fourier Tachometer (2013) (3)
- Differential adaptive optics for astronomical interferometry. (1991) (3)
- Two-Dimensional Infrared Astronomical Speckle Interferometry (1988) (3)
- Development of SCIDAR for solar observations (2004) (3)
- Solar circulation measurements: consideration and plans (1978) (2)
- Possible Space Missions for Solar Research After Solar Maximum Mission (1977) (2)
- Solar magnetic-field measurements using Babinet compensators (1969) (2)
- The Multiple Mirror Telescope: A Progress Report (1983) (2)
- Solar Rotation and Gravitational Red Shift as Determined from Sunspot Spectra (1976) (2)
- Laser guide stars for daytime thermal IR observations (2008) (2)
- Extremely large multiple mirror telescopes (2000) (2)
- Spatial structure in lines in the 3398–3526 å region at the extreme limb: Observation, identification and interpretation (1978) (2)
- High Resolution Solar Observations from the Ground (1997) (2)
- The Intensity, Velocity, and Magnetic Structure in and Around a Sunspot (1968) (2)
- Adaptive optics for large telescopes (1989) (2)
- First results with the NOAO 2-D speckle camera for infrared wavelengths. (1988) (2)
- Daytime seeing measurements for the advanced technology Sslar telescope (2002) (2)
- Instrumental factors affecting the fringe contrast in optical interferometers (1990) (2)
- High Resolution Imaging of Spectroscopic Binaries (1984) (2)
- The Determination of Seeing, Isoplanatic Patch Size and Coherence Time by Solar Shadow Band Ranging (1999) (2)
- High Resolution Imaging in the Infrared Using Adaptive Optics (1988) (2)
- Interpretation of out-of-focus star images in terms of wave-front curvature (1994) (2)
- Plans for High Resolution Imaging with the VLT (1989) (2)
- Interferometry with the MMT and NNTT. (1988) (2)
- Recent Developments At The Multiple Mirror Telescope (1983) (2)
- The VLT Interferometer (1994) (2)
- Tracking algorithms for low-contrast extended objects (2002) (2)
- Comments on the next generation of ground-based solar telescopes (1996) (2)
- Sunspots, gravitational redshift and exo-solar planet detection (2003) (1)
- Dispersion of Birefringence of Calcite (1962) (1)
- The Design of Delay Lines for the VLT Interferometer (1992) (1)
- The National New Technology Telescope as a phased array (1986) (1)
- Cophasing Telescope Arrays (1988) (1)
- Appearance of Spicules on the Solar Disk. (1963) (1)
- Effect of telecentric use of narrow-band filters on diffraction-limited imaging (1998) (1)
- Profile and polarization of the coronal L$alpha$ line (1974) (1)
- Adaptive optics developments at NOAO. (1988) (1)
- Progress Report on a Feasibility Study of a Large Optical/Infrared Solar Telescope (CLEAR) (1997) (1)
- Future Techniques and Instrumentation in Solar?Stellar Physics (1985) (1)
- Plans For Coalignment And Cophasing Of The Optics In The 15-M National New Technology Telescope (NNTT) (1986) (1)
- Some thoughts on the Large European Solar Telescope. (1979) (1)
- The Advanced Solar Telescope: II. Technical Aspects (1999) (1)
- The microstructure of sunspots (1969) (1)
- Magnetic fields in the solar atmosphere (2013) (1)
- Planning the 8-meter Chinese Giant Solar Telescope (2013) (1)
- Continuation of the X-ray monitoring of Sgr A*: the increase in bright flaring rate confirmed (2020) (1)
- The Flow Pattern within Solar Granules (1970) (1)
- Observational evidence for unresolved motions in the solar atmosphere (1976) (1)
- Solar Seeing Measurements at the Fuxian Lake Observatory (2002) (1)
- OPTICAL TURBULENCE IN HIGH ANGULAR RESOLUTION TECHNIQUES IN ASTRONOMY (2009) (1)
- Use of the solar limb effect to test photon decay and cosmological redshift theories (1979) (1)
- Isoplanatic patch considerations for solar telescope multi-conjugate adaptive optics (2014) (1)
- Correction of perspective elongation of Sodium beacons in the 50 m Euro50 telescope (2003) (1)
- Oscillatory Phenomena in Sunspots (1972) (1)
- Report on the solar physics-plasma physics workshop (1974) (1)
- Solar Image Restoration by Adaptive Optics (1989) (1)
- A Survey Of Present Efforts In Astronomical Adaptive Optics (1989) (1)
- Results from Optical Interferometry (1985) (1)
- Estimating the effects of nitrate mining activities on the astronomical site quality of the Cerro Paranal Observatory (1994) (1)
- A Report on the Second ESO Conference on High Resolution Imaging by Interferometry (1991) (1)
- Solar Surface Magnetism: Quests for Observations (1994) (0)
- Application of the NOAO Infrared Imaging Array for 2-D Infrared Speckle Interferometry (1988) (0)
- First Results of Imaging of Supergiant Envelopes with the Differential Speckle Interferometer (1982) (0)
- High Resolution Spectroscopy with the VLT - Summary of Experimental Aspects (1992) (0)
- Active Region Morphology and Evolution Images from the Ultraviolet Spectrometer and Polarimeter (1980) (0)
- Optical Concepts For The Binary Star Explorer (1987) (0)
- Tropospheric seeing effects on site selection and the use of adaptive optics for solar telescopes (2018) (0)
- Analysis of Velocity Filtergrams (1969) (0)
- Magnetic Field Extrapolations, XUV Observations and the Nature of Microwave Emission from Sunspots (1980) (0)
- V/Vmax Test Applied to Gamma-Ray Bursts Detected by the Konus Experiment Aboard Venera 11 and 12 (1988) (0)
- Summary of the splinter session on optical and UV science (1992) (0)
- Instrumentation for Large Telescopes: Techniques for High Angular Resolution Astronomical Imaging (1997) (0)
- Report on the Lunar Interferometry Study Team (LIST) activities. (1992) (0)
- The Solar Beacon, An Experiment in Solar Astometry (1981) (0)
- The VLT Interferometer : Are We Ready for It ? 2 . 1 Current Efforts in Optical lnterferometric Imaging (2009) (0)
- Latest Results from the ATST Site Survey (2004) (0)
- USING THE SCINTILLATION OF EXTENDED OBJECTS TO PROBE THE LOWER ATMOSPHERE (2009) (0)
- First Images with the MPE Imaging Beam Combiner Simulator COSI (1994) (0)
- Large Scale Flows Near the Solar Poles. (1978) (0)
- Erratum: "The profiles of Fraunhofer lines in the presence of Zeeman splitting" [Sol. Phys., Vol. 9, p. 372 - 386 (1969)]. (1970) (0)
- The Effect of Stellar Meridional Motions on Extrasolar Planet Detection (2005) (0)
- Pupil Slicing Adaptive Optics:. Making Extremely Large Telescopes Diffraction Limited at Short Wavelengths (2009) (0)
- Requirements for Adaptive Optics in Large Astronomical Telescopes (1992) (0)
- Solar Maximum Mission Ultraviolet Spectrometer And Polarimeter (1979) (0)
- Solar Physics - Plasma Physics Workshop (1974) (0)
- 12. RADIATION AND STRUCTURE OF THE SOLAR ATMOSPHERE (RADIATION ET STRUCTURE HE L'ATMOSPHERE SOLAIRE) PRESIDENT: M.K.V. Bappu (2015) (0)
- Solar Seeing Seven Ways From Sunday (2001) (0)
- Economy figure of merit for large telescope sites. (1987) (0)
- A comparison of spicules in the H$alpha$ and He II (304A) lines. Research note (1975) (0)
- Compression of data resulting from photon counters (1975) (0)
- Observations of dynamical phenomena in sunspots (1981) (0)
- First Results of the Site Survey for a Large Solar Optical/Infrared Telescope (1997) (0)
- High angular resolution infrared imaging at NOAO (Poster) (1987) (0)
- Introducing the First VLT Instrument Science Teams (1992) (0)
- Contributions by RG Giovanelli to Solar Instrumentation (1985) (0)
- Future giant telescopes: astronomy's Holy Grail or Pandora's Box? (2003) (0)
- Diffraction-limited astronomical infrared imaging through the turbulent atmosphere (1988) (0)
- Density diagnostic of solar active region and flare plasmas from Si IV/O IV line ratio as observed from SMM (Solar Maximum Mission). (1980) (0)
- The VLT Interferometer [invited] (1994) (0)
- Solar rotation measured at the Wilcox Solar Observatory. (1986) (0)
- The Coalignment and Cophasing of the National New Technology Telescope (1985) (0)
- Interferometric Capabilities of the Nntt (1987) (0)
- Airborne Video Recorded Coronal Emission Line Profiles of λ 5303 at the 10 July 1972 Total Solar Eclipse. (1973) (0)
- Examples of Non-Thermal Motions as Seen on the Sun (1980) (0)
- The photospheric vector magnetic field of a sunspot and its vertical gradient (1981) (0)
- A Rocket Borne Solar Eclipse Experiment to measure the Temperature Structure of the Solar Corona via Lyman-α Line Profile Observations (1982) (0)
- Sunspot Observations with the Ultraviolet Spectrometer and Polarimeter Experiment on the Solar Maximum Mission (1980) (0)
- Working Group on Magnetograph Calibration (1973) (0)
- Results of Site Testing for a Large Visible/Infrared Telescope (1998) (0)
- The daytime use of Adaptive Optics for solar and stellar Extremely Large Telescopes (2002) (0)
- Telescope sites: summary and conclusions. (1987) (0)
- The Solar Limb Effect. (1977) (0)
- Multiple Aperture Telescopes And Adaptive Optics In Astronomy (1987) (0)
- A Fourth VLT Instrument Science Team (1992) (0)
- Spatially resolved motions in stellar atmospheres (1976) (0)
- The Profile of the Coronal Lyman-α Line. (1973) (0)
- High Resolution Spectroscopy with Extremely Large Telescopes Using Pupil Slicing Adaptive Optics (2006) (0)
- The use of colored photographic images in photographic subtraction. (1971) (0)
- Progress in high resolution astronomical imaging including active and adaptive optics (1993) (0)
- 1988–1993: The Final Definition of the Very Large Telescope Interferometer, its Site and Configuration (2007) (0)
- An Accurate Wavelength Calibration of CCD CASPEC Echelle Spectra (2009) (0)
- Progress Report on the Performance of the Multiple Mirror Telescope (1982) (0)
- A search for auroral type motions in solar flares (1977) (0)
- Solar Flare and Surge Image Sequences as Seen by the Ultraviolet Spectrometer and Polarimeter on SMM (1980) (0)
- Observing White-Light Flares (1983) (0)
- A deep polar spectroscopic telescope "DEEPS". (1987) (0)
- Spatial and Spectral Structure of Chromospheric Lines (1974) (0)
- High Spatial and Temporal Resolution Observations of the Magnetic Field in a Sunspot. (1973) (0)
- Interferometry with ESO's Very Large Telescope (1990) (0)
- High resolution spectroscopy with extremely large telescopes using pupil slicing (2006) (0)
- Multiscale optimal interpolation (2014) (0)
- Multiple Mirror Telescope Observatory. Report (1984) (0)
- Fine Structure Variations in High-Spatial-Resolution Solar Spectra. (1976) (0)
- Performance Comparison of VLT Using Partial Adaptive Optics with a Lunar Interferometer (1992) (0)
- The Use of Differential Adaptive Optics for Astronomical Interferometry (1992) (0)
- A broad look at solar physics adapted from the solar physics study of August 1975 (1979) (0)
- Limitations Placed on the Time Coverage, Isoplanatic Patch Size and Exposure Time for Solar Observations Using Image Selection Procedures in the Presence of Telescope Aberrations (1996) (0)
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