2015MNRAS.452.1081A

Query : 2015MNRAS.452.1081A

2015MNRAS.452.1081A - Mon. Not. R. Astron. Soc., 452, 1081-1088 (2015/September-1)

A new period of activity in the core of NGC 660.

ARGO M.K., VAN BEMMEL I.M., CONNOLLY S.D. and BESWICK R.J.

Abstract (from CDS):

The core of the nearby galaxy NGC 660 has recently undergone a spectacular radio outburst; using a combination of archival radio and Chandra X-ray data, together with new observations, the nature of this event is investigated. Radio observations made using e-MERLIN in mid-2013 show a new compact and extremely bright continuum source at the centre of the galaxy. High angular resolution observations carried out with the European VLBI Network show an obvious jet-like feature to the north-east and evidence of a weak extension to the west, possibly a counter-jet. We also examine high angular resolution H i spectra of these new sources, and the radio spectral energy distribution using the new wide-band capabilities of e-MERLIN. We compare the properties of the new object with possible explanations, concluding that we are seeing a period of new active galactic nuclei (AGN) activity in the core of this polar ring galaxy.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): techniques: high angular resolution - galaxies: individual: NGC 660 - radio continuum: galaxies

Simbad objects: 16

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Number of rows : 16
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 660 Sy2 01 43 02.350 +13 38 44.45   12.02 11.16     ~ 588 2
2 ICRF J014331.0+121542 QSO 01 43 31.0925583816 +12 15 42.936778116   20.5 20.5     ~ 25 1
3 SN 1986J SN* 02 22 31.33 +42 19 56.4   18.4 18.4     SNII 331 1
4 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
5 MCG+01-12-009 Bla 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2099 2
6 CXOM82 J095550.9+694044 HXB 09 55 50.690 +69 40 43.76           ~ 96 0
7 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
8 SN 2009bb SN* 10 31 33.92 -39 57 28.2           SNIc 185 1
9 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
10 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
11 Mrk 668 BLL 14 07 00.39441712 +28 27 14.6901341   16.13 15.35 10.29   ~ 826 3
12 NGC 5905 H2G 15 15 23.3280793632 +55 31 01.926808032   13.6       ~ 287 1
13 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
14 SWIFT J164449.3+573451 G 16 44 47.81184000 +57 35 00.7113480           ~ 533 0
15 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1928 2
16 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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