The H-beta emission line profile of Arakelian 120

Details The H-beta emission line profile of Arakelian 120 The H-beta emission line profile of Arakelian 120

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88.1702f&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 88, Dec. 1983, p. 1702-1706. NATO-supported research.

Astronomy and Astrophysics

Astronomy

26

Emission Spectra, H Beta Line, Seyfert Galaxies, Spectral Line Width, Continuous Spectra, Data Simulation, Forbidden Bands, Iron

Scientific paper

A high-quality (S/N in the range from 30 to 100), high-resolution (approximately 1.8 A) spectrum of the photometrically and spectroscopically variable Seyfert 1 galaxy Arakelian 120 has been obtained in the wavelength region including H-beta. The observed H-beta line profile can be considered as a benchmark for future line profile studies of this interesting object. The origin of the extended red wing of H-beta is discussed.

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