Optical position and 'proper motion' of the radio source OQ 208

Details Optical position and 'proper motion' of the radio source OQ 208 Optical position and 'proper motion' of the radio source OQ 208

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...103...78b&link_type=abstract

Astronomy and Astrophysics, vol. 103, no. 1, Nov. 1981, p. 78-82. Research supported by the Deutsche Forschungsgemeinschaft.

Astronomy and Astrophysics

Astronomy

8

Astrometry, Astronomical Photography, Celestial Reference Systems, Radio Astronomy, Radio Sources (Astronomy), Data Reduction, Star Distribution, Tables (Data)

Scientific paper

The position and 'proper motion' of OQ 208 has been derived in different catalog systems using plates taken in 1915/1916 and 1979. In an extragalactic reference system, the 'proper motion' is found to be zero within the error limits, while in the AKG system, the 'proper motion' is several tenths of arcsec in 100 years. The position in the FK 4 system (equinox 1950) is estimated as the following: alpha equals 14h04m45.627s and delta equals 28deg41arcmin29.22arcsec.

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