2009MNRAS.397..548S

Query : 2009MNRAS.397..548S

2009MNRAS.397..548S - Mon. Not. R. Astron. Soc., 397, 548-557 (2009/July-3)

HI content and star formation in the interacting galaxy Arp86.

SENGUPTA C., DWARAKANATH K.S. and SAIKIA D.J.

Abstract (from CDS):

We present the results of Giant Metrewave Radio Telescope (GMRT) observations of the interacting system Arp86 in both neutral atomic hydrogen, Hi, and in radio continuum at 240606 and 1394 MHz. In addition to Hi emission from the two dominant galaxies, NGC 7752 and NGC 7753, these observations show a complex distribution of Hi tails and bridges due to tidal interactions. The regions of highest column density appear related to the recent sites of intense star formation. Hi column densities ∼1-1.5x1021/cm2 have been detected in the tidal bridge which is bright in Spitzer image as well. We also detect Hi emission from the galaxy 2MASX J23470758+2926531, which is shown to be a part of this system. We discuss the possibility that this could be a tidal dwarf galaxy. The radio continuum observations show evidence of a non-thermal bridge between NGC 7752 and NGC 7753, and a radio source in the nuclear region of NGC 7753 consistent with it having a low-ionization nuclear emission region nucleus.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): galaxies: dwarf - galaxies: interactions - galaxies: spiral - radio continuum: galaxies - radio lines: galaxies

Simbad objects: 32

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Number of rows : 32
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 ICRF J002914.2+345632 Sy2 00 29 14.24247204 +34 56 32.2470345   20.2       ~ 145 1
2 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
3 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
4 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
5 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
6 NAME Magellanic Bridge HI 03 11 -77.5           ~ 522 1
7 NGC 1482 EmG 03 54 38.928 -20 30 08.82 13.15 13.14 12.15 11.29   ~ 313 2
8 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
9 NGC 1808 Sy2 05 07 42.343 -37 30 46.98 11.05 10.80 9.94 9.36 10.2 ~ 756 3
10 [CHM2007] HDC 520 CGG 09 21 05.72 +64 12 15.8           ~ 15 0
11 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 951 3
12 NAME HI Bridge between M81-82 reg 09 55.0 +69 40           ~ 3 0
13 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
14 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
15 NAME Arp Loop G 09 57 29.0 +69 16 20           ~ 71 1
16 NGC 3077 GiP 10 03 19.0965510921 +68 44 01.556166166 11.23 10.85 10.14 9.74   ~ 808 0
17 NAME Garland G 10 03 43.1 +68 41 32           ~ 69 2
18 NGC 3226 rG 10 23 27.0064075320 +19 53 54.674937420   14.32 13.33     ~ 440 1
19 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
20 NGC 3448 AG? 10 54 39.240 +54 18 18.82   12.2       ~ 238 1
21 NGC 3561 LIN 11 11 13.1887412409 +28 41 47.044176908   14.7       ~ 202 2
22 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
23 NGC 5195 GiG 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 816 3
24 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
25 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2778 2
26 NGC 6951 Sy2 20 37 14.1228088488 +66 06 20.049916392   11.64 10.65     ~ 553 2
27 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1
28 NGC 7673 EmG 23 27 41.060 +23 35 20.18 12.84 13.17 12.76     ~ 282 2
29 NGC 7752 GiP 23 46 58.557 +29 27 32.17   14.3       ~ 139 0
30 APG 86 PaG 23 47 01.7 +29 28 16           ~ 133 1
31 NGC 7753 AG? 23 47 04.834 +29 29 00.17   13.2       ~ 181 0
32 2MASX J23470758+2926531 G 23 47 07.588 +29 26 53.17           ~ 4 0

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