Optical identification of IRAS point sources based on low-dispersion spectra from the First Byurakan Survey. V

Details Optical identification of IRAS point sources based on low-dispersion spectra from the First Byurakan Survey. V Optical identification of IRAS point sources based on low-dispersion spectra from the First Byurakan Survey. V

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ap.....42...37g&link_type=abstract

Astrophysics, Volume 42, Issue 1, pp.37-42

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

Part five of optically identified point sources from the IRAS Point Source Catalog (PSC) contains data on 19 late-type stars. The identifications were based on the Digitized Sky Survey (DSS), the First Byurakan Survey (FBS), blue and red maps of the Palomar survey (POSS), and infrared fluxes at 12, 25, 60, and 100 mm in the region of +61° ≤ δ ≤ +65° and 05 h 30 m ≤ α ≤ 18 h 35 m with an area of 357 sq. deg. Of the 76 objects given in the IRAS PSC as unidentified sources of infrared radiation, 51 are associated with known stars in existing catalogs, 6 are objects from the FBS of late-type stars, and 19 sources remained unknown in the optical range. For the identified stars we determined the optical coordinates, their departures from the IR coordinates, the V stellar magnitudes, the color indices CI, and the preliminary spectral subtypes. The objects have optical magnitudes in the range of 8 m -16 m . Gas-dust shells are assumed to exist around four of the sources. Finder charts from the DSS are given for 19 of the objects.

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