WFPC2 OBSERVATIONS OF THE COOLING FLOW ELLIPTIC IN ABELL-1795

Citation
J. Pinkney et al., WFPC2 OBSERVATIONS OF THE COOLING FLOW ELLIPTIC IN ABELL-1795, The Astrophysical journal, 468(1), 1996, pp. 13
Citations number
32
Categorie Soggetti
Astronomy & Astrophysics
Journal title
ISSN journal
0004637X
Volume
468
Issue
1
Year of publication
1996
Part
2
Database
ISI
SICI code
0004-637X(1996)468:1<13:WOOTCF>2.0.ZU;2-3
Abstract
We present WFPC2 images of the core of the cooling flow cD galaxy in A bell 1795. An irregular, asymmetric dust lane extends 7 h(75)(-1) kpc in projection to the north-northwest. The dust shares the morphology o bserved in the Ha and excess UV emission. We see both diffuse and knot ty blue emission around the dust lane, especially at the ends. The dus t and emission features lie on the edge of the radio lobes, suggesting star formation induced by the radio source or the deflection of the r adio jets off of preexisting dust and gas. We measure an apparent R(V) significantly less than 3.1, implying that the extinction law is not Galactic in the dust lane, or the presence of line emission that is pr oportional to the extinction. The dust mass is at least 2 x 10(5) h(75 )(-2) M. and is more likely to be 6.5 x 10(5) h(75)(-2) M..