Oddbjørn Engvold | Academic Influence

Oddbjørn Engvold's AcademicInfluence.com Rankings

Oddbjørn Engvold

Physics

#5876

World Rank

#7759

Historical Rank

Astronomy

#1286

World Rank

#2093

Historical Rank

physics Degrees

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Physics

Why Is Oddbjørn Engvold Influential?

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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.

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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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What Schools Are Affiliated With Oddbjørn Engvold?

Oddbjørn Engvold is affiliated with the following schools:

University of Oslo

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