Spectral observations of blue stellar objects from FBS in the zone δ =+39°

Details Spectral observations of blue stellar objects from FBS in the zone δ =+39° Spectral observations of blue stellar objects from FBS in the zone δ =+39°

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ap.....51...37s&link_type=abstract

Astrophysics, Volume 51, Issue 1, pp.37-47

Astronomy and Astrophysics

Astrophysics

1

Blue Stellar Objects, White Dwarfs, Subdwarfs, Hbb Stars, Planetary Nebulae

Scientific paper

Spectral observations of blue stellar objects from FBS are reported for the purpose of classifying them, discovering interesting new objects, and studying the FBS sample as a whole. 59 FBS objects in the zone with central declination δ =+39° were observed with the 2.6-m telescope at the Byurakan Observatory during 1987 1991. The images have been digitized with a professional scanner and processed by MIDAS in a way similar to CCD spectra. In addition, 4 objects were observed with the BAO-2.6 and OHP-1.93 telescopes using modern techniques during 1997 2000. 3 white dwarfs, 45 hot subdwarfs, 4 HBB stars, and 2 class F stars were discovered. Spectra of 20 of the most interesting objects are shown.

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