The unusual stellar object associated with the radio source 3C 435B

Details The unusual stellar object associated with the radio source 3C 435B The unusual stellar object associated with the radio source 3C 435B

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97...36m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, Jan. 1989, p. 36-41.

Astronomy and Astrophysics

Astronomy

16

Astronomical Spectroscopy, Blue Stars, Double Stars, Extragalactic Radio Sources, Faint Objects, Radio Sources (Astronomy), Balmer Series, Forbidden Transitions, Very Large Array (Vla), X Ray Sources

Scientific paper

The discovery of an unusual stellar object apparently associated with the powerful radio source 3C 435B is reported. Radiofrequency observations show that radio source to be composed of two extended sources with centroids separated by 10 arcsec and roughly equal flux densities. The smaller of the two sources is coincident with Smith and Spinrad's (1980) identification of an R = 19 galaxy at z = 0.461. The larger of the two sources consists of a strong core at 20 cm and two lobes. The core is coincident with a faint blue stellar object which has strong Balmer-series absorption lines of hydrogen at zero redshift. The spectrum also shows four strong, narrow emission lines identified as forbidden O II, forbidden Ne III, forbidden Ne IV, and forbidden Ne V at a redshift of 0.865. They have relative strengths typical of radio galaxies at z of about one. It is proposed that this is a rare case of an early-type high-latitude galactic star superposed along the line of sight to a distant radio galaxy.

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