Second Byurakan spectral sky survey. II - Results for region centered on alpha = 09h50m, delta = +55 deg 00 arcmin

Details Second Byurakan spectral sky survey. II - Results for region centered on alpha = 09h50m, delta = +55 deg 00 arcmin Second Byurakan spectral sky survey. II - Results for region centered on alpha = 09h50m, delta = +55 deg 00 arcmin

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984afz....20...21m&link_type=abstract

(Astrofizika, vol. 20, Jan.-Feb. 1984, p. 21-34) Astrophysics (ISSN 0571-7132), vol. 20, no. 1, July 1984, p. 10-23. Translation

Astronomy and Astrophysics

Astronomy

25

Astronomical Spectroscopy, Blue Stars, Galactic Radiation, Quasars, Sky Surveys (Astronomy), Ultraviolet Astronomy, Peculiar Stars, Seyfert Galaxies, Spectral Energy Distribution

Scientific paper

The second list of objects in the Second Biurakan Spectral Sky Survey of the region centered on alpha = 09h50m, delta = +55 deg 00 arcmin is given. The list contains data on 110 objects and galaxies of a peculiar physical nature and 24 blue stars. The observations were made with the 40-52 arcsec Schmidt telescope of the Biurakan Astrophysical Observatory with a set of three objective prisms using Kodak IIIaJ and IIIaF emulsions sensitized in nitrogen. The area is found to contain 20 quasar candidates and four Seyfert galaxies, 27 blue stellar objects, 24 galaxies with an appreciable ultraviolet continuum, and 39 emission galaxies without appreciable ultraviolet radiation. The surface brightness of the quasars and Seyferts on the considered area down to the limiting magnitude 19.5 M is more than 1.5 per square degree with allowance for the already known quasars. The surface density of emission galaxies is about four per square degree.

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