Optical positions of Seyfert galaxies. III

Details Optical positions of Seyfert galaxies. III Optical positions of Seyfert galaxies. III

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.243..504a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 243, April 1, 1990, p. 504-508.

Astronomy and Astrophysics

Astronomy

23

Active Galactic Nuclei, Astrometry, Seyfert Galaxies, Hubble Space Telescope, Position (Location), Reference Stars, Tables (Data), Very Large Array (Vla)

Scientific paper

Positions of B1950.0 with an accuracy of about 0.15 arcsec are given for the nuclei of 72 galaxies (mostly Seyferts) observed with the 26-inch and 13-inch refractors at Herstmonceux. A comparison is made with radio positions of those galaxies observed with the Very Large Array which appear unresolved at radio wavelengths. Some evidence is found for a systematic difference of about +0.12 arcsec in Right Ascension (RA) between the optical and radio positions.

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