Astronomy and Astrophysics – Astronomy
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...292..614w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 292, May 15, 1985, p. 614-619.
Astronomy and Astrophysics
Astronomy
45
Astronomical Spectroscopy, Bl Lacertae Objects, Radio Astronomy, Visible Spectrum, Elliptical Galaxies, Extragalactic Radio Sources, Optical Emission Spectroscopy, Red Shift, Spiral Galaxies, Stellar Luminosity, Very Long Base Interferometry
Scientific paper
Radio- and visible-wavelength observations for the BL Lac object 1219 + 28 (ON 231, W Com) are reported along with optical observations of 0851 + 202 (OJ 287), and radio data for 1400 + 162 (4C 16.39, OQ 100). The obtained data consist of imaging and surface photometry for both 1219 + 28 and 0851 + 202, as well as spectra for 1219 + 28, and Very Long Baseline Interferometry (VLBI) observations for 1219 + 28 and 1400 + 162. Two emission features have been observed in the spectrum of 1219 + 28. Radio observations of 1219 + 28 in three frequencies reveal the presence of a radio jet with at least three components. The obtained results for 1219 + 28 support previous conclusions that at least some BL Lac objects are located at the center of elliptical galaxies.
Hintzen Paul
Romanishin William
Shaffer David B.
Weistrop Donna
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