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Authors whose works are in public domain in at least one jurisdiction

List of works by Oddbjørn Engvold

1-31 of 31 results

Accurate vessel width measurement from fundus photographs: a new concept

scientific article

Counter-streaming gas flows in solar prominences as evidence for vertical magnetic fields

scientific article published in Nature

Why does the spotted UX Ari system get bluer as it gets darker?

scientific article published in January 2003

X-ray spectrum of sigma Geminorum : an RS Canum Venaticorum type binary

scientific article published in January 1987

Gas flows in the transition region above sunspots

scientific article published in the Astrophysical Journal

Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars

scholarly article

Swaying threads of a solar filament

scientific article published in the Astrophysical Journal

The Wilson-Bappu relationship - A barometric effect

article published in 1987

Excitation mechanisms in the atmospheres of yellow and red giant and supergiant stars

scholarly article published 1985

Deviation from the Wilson-Bappu relationship in faint red dwarf stars

scientific article published in January 1990

Precise measurements of radial velocities of emission lines in the far-ultraviolet spectra of late-type stars

scientific article

Stellar activity and the Wilson-Bappu relation

scholarly article

EXECUTIVE COMMITTEE WORKING GROUP YOUNG ASTRONOMERS EVENTS

ROSAT observations of the RSCVn binary {sigma} Geminorum

scientific article published in January 1997

Ultraviolet emission lines and optical photometry of the flare star AT Microscopii

scientific article published in January 1988

A deep, Doppler-compensated IUE SWP echellogram of the KO primary of HR 1099

scientific article published in January 1987

Separation of high resolution spectra of the multiple star system UX Ari

scientific article published in January 2003

A numerical simulation of the Wilson-Bappu relationship

scientific article published in January 1997

Small-scale, dynamic bright blobs in solar filaments and active regions

scientific article published in January 2012

A comparison of spicules in the H? and HeII (304 �) lines

scientific article published on 24 August 2004

Editorial Appreciation

The Ca II line width in late type stars. The Wilson-Bappu effect

scientific article

The Wilson-Bappu effect of the MgIIk line - dependence on stellar temperature, activity and metallicity

scientific article published in January 1999

A progress report on the analysis of long exposure SWP high resolution spectra of cool stars

scientific article published in January 1984

Tests of vacuum vs helium in a solar telescope

scientific article

Prominence seismology using ground- and space-based observations

Observing cascades of solar bullets at high resolution. II

scholarly article

Identification of FeH molecular lines in the spectrum of a sunspot umbra

Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars. II. New, precise measurements of dwarfs and giants

scientific article published in January 1988

Dynamics of solar magnetic arches in the photosphere and the chromosphere

scientific article published in January 1996

Far-ultraviolet and X-ray emission of the long period RS CVn star sigma Geminorum

scientific article