The radio, optical and X-ray properties of the radio source 0927+352

Details The radio, optical and X-ray properties of the radio source 0927+352 The radio, optical and X-ray properties of the radio source 0927+352

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.282.1305m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 282, Issue 4, pp. 1305-1312.

Astronomy and Astrophysics

Astronomy

3

Galaxies: Active, Bl Lacertae Objects: General, Galaxies: Individual: 0927+352, Radio Continuum: Galaxies, X-Rays: Galaxies

Scientific paper

The radio structure of the source 0927+352 (87GB 092752.8+351642) consists of a highly variable compact core and an extended diffuse halo, and comparison of its mas-scale and arcsec-scale structures suggests a twist of an internal jet and strong projection effects. Its optical counterpart varies by about 2mag and shows no hint of emission lines in its spectrum. A mean time-scale of radio variability of about 6^+4_-2 yr and a mean time delay between optical and radio `events' of about 4yr are suggested by collected data. X-ray emission from 0927+352 was detected by the ROSAT satellite, and we report on its X-ray spectrum. 0927+352 is probably a rather slowly variable BL Lac, although it could be a QSO with very weak emission lines.

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