Optical identification of the IRAS point sources based on the first Byurakan survey

Details Optical identification of the IRAS point sources based on the first Byurakan survey Optical identification of the IRAS point sources based on the first Byurakan survey

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap.....38..349m&link_type=abstract

Astrophysics, Volume 38, Issue 4, pp.349-351

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

Optical identification of infrared sources from the IRAS Point Source Catalogue (PSC) is made by means of low-dispersion spectra of the First Byurakan Survey (FBS) and Palomar Observatory Sky Survey (POSS) red and blue images. The purpose of this work is to examine the composition of the PSC sample of fainter sources at high galactic latitudes and to reveal QSOs, infrared galaxies, red stars (C and M), planetary nebulae, for their further investigation at the optical range. 100 of 108 unknown IRAS sources in the region with 3h50m ≤α ≤ 7h40m and + 69° ≤δ ≤ + 73° are optically identified. Optical coordinates, V magnitudes, color indices, and preliminary classes are determined. According to preliminary classification 3 objects turned out to be QSOs, 36 are galaxies with very interesting morphology, 5 are faint planetary nebulae, 9 are carbon stars, and 47 are late M-type stars.

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