2001MNRAS.326..578G

Query : 2001MNRAS.326..578G

2001MNRAS.326..578G - Mon. Not. R. Astron. Soc., 326, 578-596 (2001/September-2)

H I observations of interacting galaxy pair NGC 4038/9.

GORDON S., KORIBALSKI B. and JONES K.

Abstract (from CDS):

We present the results of new radio interferometer Hi line observations for the merging galaxy pair NGC 4038/9 (`The Antennae'), obtained using the Australia Telescope Compact Array. The results improve substantially with respect to those of van der Hulst and show in detail the two merging galactic discs and the two tidal tails produced by their interaction. The small edge-on spiral dwarf galaxy ESO 572-G045 is also seen near the tip of the southern tail, but distinct from it. It shows no signs of tidal interaction. The northern tidal tail of the Antennae shows no Hi connection to the discs and has an extension towards the west. The southern tidal tail is continuous, with a prominent Hi concentration at its tip, roughly at the location of the tidal dwarf galaxy observed optically by Mirabel, Dottori & Lutz. Clear velocity structure is seen along the tidal tails and in the galactic discs. Radio continuum images at 20 and 13cm are also presented, showing the discs in detail.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): galaxies: individual: NGC 4038 - galaxies: individual: NGC 4039 - galaxies: individual: ESO 572-G045 - galaxies: interactions - radio continuum: galaxies - radio lines: galaxies

CDS comments: T.4: [VMA96] A to F

Simbad objects: 35

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Number of rows : 35
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 520 AG? 01 24 34.90 +03 47 29.4 12.41 12.24 11.42     ~ 513 3
2 NGC 2207 AG? 06 16 22.0336889136 -21 22 21.759218400   11.48 10.65 10.21 11.9 ~ 289 3
3 IC 2163 AG? 06 16 27.9671433048 -21 22 33.133211832   12.55   11.28   ~ 165 2
4 UGC 6472 C G 11 28 30.70 +58 33 48.4           ~ 351 0
5 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 978 4
6 NAME NGC 3690 West GiP 11 28 31.02 +58 33 40.7   11.8       ~ 629 4
7 NAME NGC 3690 East AGN 11 28 33.07 +58 33 54.2   11.8       ~ 631 4
8 ICRF J115421.7-350529 Sy1 11 54 21.7842834888 -35 05 29.079469716   18.81 17.84     ~ 129 1
9 ESO 572-45 AG? 12 01 09.46 -19 04 46.9   16.70   15.99   ~ 15 0
10 [VMA96] F IR 12 01 09.7 -18 43 39           ~ 2 0
11 NVSS J120118-190218 Rad 12 01 18.1 -19 02 20           ~ 3 1
12 [MDL92] TDG G 12 01 25.7 -19 00 42     17.3     ~ 5 0
13 [VMA96] E IR 12 01 45 -18 53.1           ~ 2 0
14 [RP98b] NGC 4038/9 Source F X 12 01 48.0 -18 54 10           ~ 2 0
15 [RP98b] NGC 4038/9 Source C X 12 01 50.9 -18 52 20           ~ 2 0
16 [RP98b] NGC 4038/9 Source E X 12 01 51.3 -18 53 45           ~ 2 0
17 [RP98b] NGC 4038/9 Source B X 12 01 52.3 -18 52 09           ~ 2 0
18 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1333 1
19 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1692 0
20 [RP98b] NGC 4038/9 Source D X 12 01 53.4 -18 53 06           ~ 2 0
21 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1161 1
22 [HV86] 3 PoG 12 01 54.8 -18 52 52           ~ 29 0
23 [BCE2005] 136 PoG 12 01 54.9 -18 53 04           ~ 37 0
24 [SSS90] Clump N PoG 12 01 54.9 -18 52 42           ~ 6 0
25 [RP98b] NGC 4038/9 Source A X 12 01 55.4 -18 52 09           ~ 2 0
26 RFD C PoG 12 01 55.5 -18 52 48           ~ 34 0
27 NVSS J120212-190030 Rad 12 02 12.2 -19 00 30           ~ 3 1
28 [VV96] J120251.8-184543 QSO 12 02 53.1674798208 -18 44 36.937925700     20.0     ~ 6 0
29 IC 819 AGN 12 46 10.1 +30 43 55           ~ 277 1
30 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 310 0
31 IC 820 AGN 12 46 11.2495347624 +30 43 21.856578924   14.1       ~ 123 1
32 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2961 4
33 NAME Super Antennae Sy2 19 31 21.4272801984 -72 39 21.442847832   17.39 16.37 14.65   ~ 302 2
34 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1228 1
35 NGC 7252 EmG 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 703 1

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