2006MNRAS.371..739K

Query : 2006MNRAS.371..739K

2006MNRAS.371..739K - Mon. Not. R. Astron. Soc., 371, 739-749 (2006/September-2)

Gaseous tidal debris found in the NGC 3783 group.

KILBORN V.A., FORBES D.A., KORIBALSKI B.S., BROUGH S. and KERN K.

Abstract (from CDS):

We have conducted wide-field Hi mapping of a ∼5.5x5.5-deg2 region surrounding the NGC 3783 galaxy group, to an Hi mass limit of ∼4x108M☉. The observations were made using the multibeam system on the Parkes 64-m radiotelescope, as part of the Galaxy Evolution Multiwavelength Study. We find twelve Hi detections in our Parkes data, four more than catalogued in Hi Parkes All Sky Survey (HIPASS). We find two new group members, and discover an isolated region of Hi gas with an Hi mass of ∼4x108M☉, without a visible corresponding optical counterpart. We discuss the likelihood of this Hi region being a low surface brightness galaxy, primordial gas, or a remnant of tidal debris. For the NGC 3783 group we derive a mean recession velocity of 2903±26km/s, and a velocity dispersion of 190±24km/s. The galaxy NGC 3783 is the nearest galaxy to the luminosity-weighted centre of the group, and is at the group mean velocity. From the X-ray and dynamical state of this galaxy group, this group appears to be in the early stages of its evolution.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: clusters: general - galaxies: evolution - galaxies: irregular

Nomenclature: Table 5: [KFK2006] ATCA J1134-37.

Simbad objects: 27

goto Full paper

goto View the references in ADS

Number of rows : 27
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 ESO 319-15 AG? 11 21 57.93 -37 53 57.8   15.27   16.64 14.6 ~ 16 0
2 ESO 319-20 AG? 11 26 17.3557 -37 54 35.519           ~ 5 0
3 MCG-06-25-020 GiG 11 28 04.014 -36 32 33.67   13.85   12.05 13.0 ~ 51 0
4 LEDA 100032 AG? 11 29 10.9097490384 -36 22 26.234990724           ~ 7 0
5 NGC 3706 EmG 11 29 44.4309190968 -36 23 28.745465928   12.20 11.08 10.56   ~ 149 0
6 2MASX J11294476-3620025 G 11 29 44.7460152312 -36 20 02.697301032           ~ 2 0
7 ESO 378-7 EmG 11 29 48.01 -37 12 49.2   15.10   14.01 14.5 ~ 14 0
8 LEDA 638463 EmG 11 30 50.1439142688 -36 17 53.197698300           ~ 6 0
9 [BFK2006] GEMS-N3783-2 GiG 11 31 32.0 -36 18 53           ~ 6 0
10 LEDA 626368 GiG 11 34 02.6 -37 14 17           ~ 2 0
11 ESO 378-11 Sy2 11 34 43.550 -37 12 57.38   15.23   13.82 14.5 ~ 44 0
12 LEDA 615556 AG? 11 35 14.9294176656 -37 55 30.470992284           ~ 7 0
13 NGC 3742 EmG 11 35 32.4922479960 -37 57 23.062019364   12.91   11.42   ~ 38 0
14 [BFK2006] GEMS-N3783-9 GiG 11 35 43.0 -38 02 08           ~ 1 0
15 NGC 3749 EmG 11 35 53.203 -37 59 50.39   13.22   11.54 12.3 ~ 54 1
16 [BFK2006] GEMS-N3783-8 GiG 11 38 01.800 -37 57 00.10           ~ 3 0
17 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
18 NAME NGC 3783 Group GrG 11 39 01.8 -37 44 19           ~ 13 0
19 ESO 378-23 AG? 11 48 51.83 -37 30 42.0   15.34   14.67   ~ 6 0
20 [BFK2006] GEMS-N3783-5 GiG 11 49 01.0 -37 29 47           ~ 1 0
21 NGC 3903 Sy1 11 49 03.5190532104 -37 31 01.884138132   13.47   12.47 13.3 ~ 33 1
22 MCG-06-26-009 Sy2 11 49 26.034 -38 49 33.45   14.12   13.24 13.6 ~ 34 0
23 [BFK2006] GEMS-N3783-6 GiG 11 49 33.0 -38 50 40           ~ 1 0
24 LEDA 100731 AG? 11 49 42.1 -37 32 31           ~ 6 0
25 MCG-06-26-010 Sy1 11 49 50.2933327848 -38 47 04.042293144   12.84   11.51 12.4 ~ 58 1
26 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2
27 NAME Local Group GrG ~ ~           ~ 9325 0

To bookmark this query, right click on this link: simbad:objects in 2006MNRAS.371..739K and select 'bookmark this link' or equivalent in the popup menu