2002ApJS..142..161P

Query : 2002ApJS..142..161P

2002ApJS..142..161P - Astrophys. J., Suppl. Ser., 142, 161-222 (2002/October-0)

An H I/Optical atlas of isolated galaxies.

PISANO D.J., WILCOTS E.M. and LIU C.T.

Abstract (from CDS):

We present an H I and optical survey of 41 extremely isolated galaxies in an attempt to search for the gaseous remnants of the galaxy formation process, predicted to exist by hierarchical models of galaxy formation. By observing extremely isolated, quiescent, nonpeculiar galaxies we minimize the chances that any extragalactic H I found will be another galaxy, tidal debris, or ejecta from a galactic fountain or superwind. We have obtained new and archival data from the VLA and ATCA in a search for H I clouds down to M_HI_∼107 M☉around these galaxies. We found 13 H I-rich companions around 10 of the 41 galaxies surveyed. Optical imaging finds spatially coincident stars associated with all 13 companions. We find that the isolated galaxies have properties fairly similar to those of field galaxies, while the companions are similar to dwarf irregular galaxies. The presence of stars in all 13 companions suggests that H I clouds without stars discovered by other authors around field galaxies are not primordial and most likely have either a tidal or ejecta origin.

Abstract Copyright: ∼

Journal keyword(s): Atlases - Galaxies: Evolution - Galaxies: Formation - Galaxies: Fundamental Parameters - Galaxies: ISM - Galaxies: Spiral

Nomenclature: Table 6, text: [PWL2002] UGC NNNNN A, [PWL2002] ESO FFF-NN A, [PWL2002] NGC NNNN A, N=13+1. Table 6: [PWL2002] NGC 2708 STR N=1.

Simbad objects: 67

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Number of rows : 67
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 IC 10 G 00 20 25.50 +59 17 17.0   13.6 9.5     ~ 1119 1
2 MCG+02-02-010 GiP 00 26 53.180 +11 34 23.70   15.7       ~ 15 1
3 UGC 260 GiP 00 27 02.911 +11 35 01.72   14.0       ~ 76 1
4 UGC 328 H2G 00 33 22.09 -01 07 16.7   15.1   15.1 15.0 ~ 30 0
5 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12659 1
6 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11160 1
7 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5843 1
8 NGC 803 AG? 02 03 44.701 +16 01 51.46   13.5       ~ 85 0
9 NGC 894 Sy2 02 21 36.470 -05 31 17.02 12.21 12.26 11.73     ~ 147 2
10 [PWL2002] NGC 895 A G 02 25 45.1 -05 32 08           ~ 2 1
11 NGC 918 AGN 02 25 50.7899313312 +18 29 46.358860992   16.00 15.01     ~ 145 0
12 MCG-02-07-007 GiG 02 26 21.458 -09 50 30.25   14.54   13.98 14.7 ~ 56 0
13 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 784 1
14 NGC 986 Sy1 02 33 34.3087856832 -39 02 42.128176704 11.72 11.74 10.91 10.10 11.3 ~ 183 1
15 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7074 0
16 UGC 2463 GiC 03 00 37.4507758104 +40 15 04.446504036   15.0       ~ 27 0
17 UGCA 94 GiC 04 42 57.299 -08 05 26.45   13.9   13.70 13.9 ~ 28 0
18 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17450 0
19 IC 2166 AG? 06 26 55.629 +59 04 48.39   12.68 12.01 11.45 10.86 ~ 73 0
20 ESO 124-15 EmG 08 23 40.19 -60 52 35.6   14.34   13.20 13.8 ~ 27 1
21 [PWL2002] ESO 124-15 B G 08 25 25 -60 50.7           ~ 2 1
22 [PWL2002] ESO 124-15 A G 08 25 25 -60 50.7           ~ 2 1
23 NGC 2708 Sy2 08 56 08.0718678384 -03 21 36.487371348   12.6   12.5 11.9 ~ 95 1
24 [PWL2002] NGC 2708 STR PoG 08 56 12.5 -03 17 59           ~ 1 1
25 NGC 2709 GiG 08 56 12.8601199632 -03 14 35.011377780   14.8       ~ 18 0
26 LEDA 1075058 G 08 56 18.7 -03 10 53           ~ 4 1
27 UGC 5172 AG? 09 41 52.189 +48 40 15.30   15.6       ~ 24 0
28 ESO 567-10 AG? 10 03 19.3409 -21 25 47.597   14.43   13.69 14.0 ~ 19 0
29 UGC 5518 LSB 10 14 10.378 +39 27 05.01   17       ~ 16 0
30 NGC 3246 AG? 10 26 41.766 +03 51 43.59   13.8       ~ 73 0
31 UGC 5707 GiP 10 31 14.180 +43 08 14.41   14.7       ~ 44 0
32 NGC 3321 EmG 10 38 50.552 -11 38 56.04   13.3   12.37 13.2 ~ 58 0
33 UGCA 217 Sy1 10 43 36.292 -09 51 22.58   13.6   13.7 14.0 ~ 40 0
34 IC 2627 EmG 11 09 53.3868003696 -23 43 33.192730524   12.67   11.36 11.9 ~ 109 0
35 NGC 3882 GiG 11 46 06.394 -56 23 27.48   12.5   12.4 11.9 ~ 46 1
36 [PWL2002] NGC 3882 A G 11 47 00.4 -56 10 55           ~ 2 1
37 ESO 39-2 AG? 11 50 20.6044325928 -75 22 15.089598192   13.8   13.4 13.5 ~ 18 1
38 [PWL2002] ESO 39-2 A G 11 50 43.0 -75 16 30           ~ 2 1
39 NGC 4930 GiG 13 04 05.1962069592 -41 24 41.246852076           ~ 64 0
40 NGC 5375 LIN 13 56 56.0072063832 +29 09 51.653612304   12.78 12.08 11.65 11.65 ~ 125 1
41 LEDA 49623 SBG 13 57 09.9355841256 +29 13 10.411415652   17.49 17.15     ~ 27 0
42 MAPS-NGP O-325-1536477 G 13 57 28.9 +29 03 51           ~ 5 1
43 UGC 9242 GiG 14 25 21.152 +39 32 21.52   14.8       ~ 100 0
44 NGC 5725A G 14 40 01.6 +34 06 34           ~ 4 1
45 LEDA 2043836 AG? 14 40 03.510 +34 05 59.64           ~ 15 0
46 NGC 5727 EmG 14 40 26.104 +33 59 20.75   14.20       ~ 63 2
47 UGC 9762 AG? 15 11 41.134 +32 38 34.56   17       ~ 29 1
48 LEDA 3098573 AG? 15 11 54.121 +32 45 34.02           ~ 15 1
49 LEDA 2004197 AG? 15 11 56.7228525264 +32 35 53.096381016           ~ 16 1
50 NGC 6339 AG? 17 17 06.4816037376 +40 50 41.528749272   13.7       ~ 78 0
51 NGC 6368 AG? 17 27 11.543 +11 32 37.04   13.7       ~ 57 0
52 UGC 11124 LSB 18 07 27.63 +35 33 51.1   13.9       ~ 38 1
53 LEDA 3088568 AG? 18 07 29.07 +35 37 26.1           ~ 9 1
54 [PW99] UGC 11124 S AG? 18 07 45.06 +35 23 35.5           ~ 5 1
55 [PWL2002] UGC 11152 A G 18 12 22.5 +18 36 30           ~ 2 1
56 UGC 11152 AG? 18 12 32.226 +18 35 57.87   15.0       ~ 23 1
57 UGC 11220 AG? 18 23 25.50 +40 56 43.0   17       ~ 18 0
58 UGCA 417 AG? 20 09 21.20 -06 17 10.0   14.5   14.4 14.2 ~ 24 0
59 UGC 11557 LSB 20 24 00.6851855760 +60 11 41.414285040   14.5       ~ 76 0
60 ESO 187-35 AG? 20 56 55.85 -55 43 11.7   15.32   14.26 14.6 ~ 27 0
61 UGC 11651 AG? 20 57 15.3564470400 +25 57 53.431255584   15.4       ~ 45 0
62 IC 5078 EmG 21 02 31.2399855096 -16 49 05.333334780   12.8   12.60 12.7 ~ 65 0
63 NGC 7098 AG? 21 44 16.1497974000 -75 06 40.864242528   12.33 11.37 10.84 11.5 ~ 84 0
64 UGC 11861 AG? 21 56 24.148 +73 15 39.33   15.2       ~ 97 0
65 NGC 7416 Sy2 22 55 41.6523909816 -05 29 43.196168328   13.0   11.98 12.5 ~ 61 0
66 NGC 7661 AG? 23 27 14.28 -65 16 20.9   14.11   13.16 13.6 ~ 42 0
67 NAME Local Group GrG ~ ~           ~ 8404 0

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