SIMBAD references

2004MNRAS.353.1117X - Mon. Not. R. Astron. Soc., 353, 1117-1125 (2004/October-1)

MERLIN observations of Stephan's Quintet.

XANTHOPOULOS E., MUXLOW T.W.B., THOMASSON P. and GARRINGTON S.T.

Abstract (from CDS):

We present MERLIN L-band images of the compact galaxy group, Stephan's Quintet (SQ). The Seyfert 2 galaxy, NGC 7319, the brightest member of the compact group, is seen to have a triple radio structure typical of many extra-galactic radio sources that have a flat spectrum core and two steep spectrum lobes with hot spots. The two lobes are asymmetrically distributed on opposite sides of the core along the minor axis of the galaxy. Ultraviolet (UV) emission revealed in a high-resolution channel (HRC)/ACS Hubble Space Telescope (HST) image is strongly aligned with the radio plasma and we interpret the intense star formation in the core and north lobe as an event induced by the collision of the north radio jet with over-dense ambient material. In addition, a remapping of archive Very Large Array (VLA) L-band observations reveals more extended emission along the major axis of the galaxy, which is aligned with the optical axis. Images formed from the combined MERLIN and archive VLA data reveal more detailed structure of the two lobes and hot spots.

Abstract Copyright: 2004 RAS

Journal keyword(s): galaxies: clusters: general - galaxies: interactions - galaxies: clusters: individual: Stephan's Quintet - galaxies: clusters: individual: NGC 7319 - galaxies: clusters: individual: NGC 7318A - galaxies: clusters: individual: NGC 7318B

CDS comments: In figure 2: region 1,12 and 14 = [PMA99b] 1,12 and 14. In figure 6: [XLC2003] SQ-R. Paragr. 2.2: phase reference source 2236+286 not identified.

Simbad objects: 25

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