Investigation of radio sources from the interplanetary scintillation Pushchino Survey . II. Optical identification

Details Investigation of radio sources from the interplanetary scintillation Pushchino Survey . II. Optical identification Investigation of radio sources from the interplanetary scintillation Pushchino Survey . II. Optical identification

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...421..455k&link_type=abstract

Astronomy and Astrophysics, v.421, p.455-459 (2004)

Astronomy and Astrophysics

Astrophysics

2

Catalogs, Radio Continuum: Galaxies, Galaxies: Quasars: General, Galaxies: Photometry, Surveys

Scientific paper

We present the results of optical identification of 248 interplanetary scintillating (IPS) radio sources from the Pushchino Survey (PS) in the area of 0.11 sr with the center at α =10h28mm, δ =+41o. All 260 counterparts of IPS radio sources from the 7C and FIRST catalogues, which had been found in Paper I, were considered. We used USNO-B1.0 catalogue (limiting magnitude mR≈ 21) for the optical identification and searched the literature to find optical data for fainter objects. Photometric and spectroscopic observations were conducted on the 1 m and 6 m telescopes of SAO RAS. Optical magnitudes or deep limits for 22 objects and redshifts for 26 ones have been obtained. In total, we collected optical data for 116 (68 with redshift) counterparts of the PS radio sources. For the subsample of the PS quasars (41 objects) the redshift distribution was compared to those of several other samples of quasars (BRL, 3CRR, MQS, B3-VLA, 7CRS I-III and PKS 0.25 Jy) which have complete or nearly complete redshift information.
Table 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/421/455

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