2001A&A...369..467R


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.26CET23:47:09

2001A&A...369..467R - Astronomy and Astrophysics, volume 369, 467-472 (2001/4-2)

Radio jets and diffuse X-ray emission around the peculiar galaxy pair ESO295-IG022.

READ A.M., FILIPOVIC M.D., PIETSCH W. and JONES P.A.

Abstract (from CDS):

We report Australia Telescope Compact Array (ATCA) radio-continuum and ROSAT PSPC X-ray observations of the region surrounding the peculiar galaxy pair ESO 295-IG022, lying at the centre of the poor cluster Abell S0102. We identify a radio galaxy coincident with the galaxy pair, with bipolar, bent radio jets appearing centred on the southern galaxy, and extending both to the south, for about 95''(≃100kpc at the distance of ESO 295-IG022), and to the north, for ≃80'', encompassing the northern galaxy. We discuss also the idea of an additional single jet structure from the northern galaxy contributing to the emission. We estimate lower limit jet velocities of at least 1000km/s, and a relative proper velocity for the southern galaxy through the cluster of ∼200km/s. Diffuse (kT=2.2keV) X-ray emission consistent with group or poor cluster emission is seen centred on the southern galaxy surrounding the galaxy pair and the associated radio jets. Structure within the radio jets and the X-ray emission is very suggestive of there being some channeling of the radio emission with the surrounding intragroup medium. Another bipolar jet radio galaxy, discovered close by, is likely to be a background object, the optical counterpart having a magnitude m>22.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: individual: Abell S0102 - galaxies: individual: ESO 295-IG022 - galaxies: interactions - galaxies: jets - radio continuum: galaxies - X-rays: galaxies

Nomenclature: Table 1: [RFP2001] JHHMM.m+DDMM N=2, [RFP2001] J0055.7-3724W (Nos N, S).

Simbad objects: 13

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Number of rows : 13

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 300 GiG 00 54 53.4460065856 -37 41 03.182962667 8.83 8.69 8.13 7.46   ~ 1328 2
2 ACO S 102 ClG 00 55 45 -37 24.8           ~ 9 0
3 2MASX J00554650-3724275 rG 00 55 46.501 -37 24 27.54   15.68       ~ 10 1
4 ESO 295-22 IG 00 55 46.6 -37 24 21   14.70   13.53   ~ 6 0
5 [RFP2001] J0055.7-3724N rG 00 55 47.31 -37 23 20.6           ~ 2 0
6 QSO B0053-3738 QSO 00 55 55.5814366890 -37 22 19.955553566     20.1     ~ 5 0
7 [RFP2001] J0056.0-3723 rG 00 56 00.21 -37 23 47.6           ~ 2 0
8 ClG 0053-37 ClG 00 56 03.5 -37 32 43           ~ 22 0
9 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3582 3
10 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 437 1
11 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2702 4
12 ACO 2634 ClG 23 38 18.4 +27 01 37           ~ 482 2
13 NGC 7720 Sy1 23 38 29.38322439 +27 01 53.2583763   13.9 13.3     ~ 514 4

    Equat.    Gal    SGal    Ecl

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2020.10.26-23:47:09

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