1998ApJS..119..159S

Query : 1998ApJS..119..159S

1998ApJS..119..159S - Astrophys. J., Suppl. Ser., 119, 159-180 (1998/December-0)

A deep survey of H I-selected Galaxies: the sample and the data.

SPITZAK J.G. and SCHNEIDER S.E.

Abstract (from CDS):

In a 21 cm neutral hydrogen survey of approximately 55 deg2 out to a redshift of cz = 8340 km.s–1, we have identified 75 extragalactic H I sources. These objects comprise a well-defined sample of extragalactic sources chosen by means that are independent of optical surface brightness selection effects. In this paper we describe the Arecibo survey procedures and H I data, follow-up VLA H I observations made of several unusual sources, and Kitt Peak B-, R-, and I-band photometry for nearly all of the galaxies. We have also gathered information for some of the optically detected galaxies within the same search volume. We examine how samples generated by different types of search techniques overlap with selection by H I flux. Only the least massive H I object, which is among the lowest mass H I sources previously found, does not have a clear optical counterpart, but a nearby bright star may hide low surface brightness emission. However, the newly detected systems do have unusual optical properties. Most of the 40 galaxies that were not previously identified in magnitude-limited catalogs appear to be gas-dominated systems, and several of these systems have H I mass-to-light ratios among the largest values ever previously found. These gas-dominated objects also tend to have very blue colors, low surface brightnesses, and no central bulges, which correlate strongly with their relative star-to-gas content.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: ISM - Galaxies: Photometry - Radio Lines: Galaxies - Surveys

Nomenclature: Table 1: [SS98c] NN (Nos 1-91).

Simbad objects: 98

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Number of rows : 98
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 Z 477-40 LIN 00 01 38.3220061296 +23 29 01.190922432   13.2       ~ 159 1
2 Z 477-41 GiP 00 01 41.937 +23 29 45.20   13.9       ~ 127 1
3 LEDA 169950 AG? 00 05 05.0675020536 +23 58 14.268944028           ~ 15 0
4 LEDA 73244 AG? 00 06 22.854 +23 47 21.85   16.05       ~ 14 0
5 NGC 9 EmG 00 08 54.6826469088 +23 49 00.823323000   14.50       ~ 65 0
6 LEDA 73288 AG? 00 13 58.594 +23 58 12.09   16.06       ~ 14 0
7 Z 478-53 AG? 00 19 00.5788737720 +23 28 35.616284220   15.3       ~ 32 0
8 IC 1540 GiG 00 19 48.7572859392 +23 46 21.335485044   14.9       ~ 33 0
9 Z 479-16 AG? 00 22 05.0671841688 +23 44 13.002066708   15.0       ~ 38 0
10 LEDA 87118 LSB 00 25 56.9 +23 55 25   16.94       ~ 9 0
11 LEDA 169971 G 00 25 57.1 +23 47 04           ~ 6 0
12 LEDA 101429 G 00 26 52.4 +23 31 12           ~ 3 0
13 LEDA 169951 AG? 00 27 27.90 +23 43 21.0           ~ 9 0
14 Z 479-37 LSB 00 32 32.444 +23 23 42.44   15.4       ~ 37 0
15 Z 479-40 AG? 00 33 35.9436274632 +23 23 51.711194544   15.4       ~ 24 0
16 MCG+04-02-032 AG? 00 35 57.919 +24 02 13.51   16.0       ~ 24 0
17 NGC 160 AG? 00 36 04.0982272704 +23 57 28.502827092   13.7       ~ 102 0
18 NGC 169 SyG 00 36 51.6072915048 +23 59 27.553231968   13.70 13.1     ~ 127 0
19 NGC 169A SyG 00 36 52.33 +23 59 05.9   14       ~ 25 0
20 Z 479-49 Sy2 00 38 32.1125386176 +23 36 48.220141644   15.5       ~ 39 0
21 Z 479-61 EmG 00 42 48.9490397064 +23 29 24.311098464   15.7       ~ 34 0
22 NGC 228 GiG 00 42 54.4926517488 +23 30 11.119111272   14.9       ~ 36 0
23 NGC 229 GiG 00 43 04.6672133520 +23 30 32.779683324   14.7       ~ 22 0
24 LEDA 101439 bCG 00 44 20.53 +23 50 00.5           ~ 7 0
25 [SS98c] 39 G 00 44 51.8 +23 28 24           ~ 2 0
26 LEDA 169953 G 00 49 42.9019596792 +24 02 43.992622428           ~ 6 0
27 LEDA 169954 AG? 00 51 54.62616 +23 28 51.3156           ~ 13 0
28 LEDA 169955 AG? 00 56 16.50 +24 03 12.0           ~ 10 0
29 Z 480-25 EmG 00 57 19.7144077296 +23 53 23.823858480   15.2       ~ 37 0
30 Z 480-28 GiG 00 59 00.8925262968 +23 51 10.199235924   14.5       ~ 33 0
31 Z 480-29 AG? 00 59 23.7 +23 58 46   15.7       ~ 12 0
32 MCG+04-04-003 G 01 19 58.784 +23 57 53.09   17       ~ 9 0
33 UGC 1084 AG? 01 31 22.043 +23 57 15.13   17       ~ 23 0
34 LEDA 169956 AG? 01 35 10.113 +24 00 26.96           ~ 11 0
35 LEDA 169957 AG? 01 36 35.920 +23 48 55.81   17.74       ~ 13 0
36 LEDA 169958 AG? 01 45 08.30 +23 46 08.0           ~ 8 0
37 LEDA 74026 AG? 01 50 42.650 +23 23 57.63   16.72       ~ 21 0
38 LEDA 169959 AG? 01 53 54.285 +23 54 46.22           ~ 14 0
39 NGC 776 GiG 01 59 54.5182947984 +23 38 39.440979708   13.4       ~ 125 0
40 LEDA 169960 G 02 00 44.6 +23 45 23           ~ 7 0
41 Z 482-46 GiG 02 01 03.22 +23 25 04.2   15.2       ~ 21 0
42 Z 482-50 EmG 02 01 49.1416401384 +23 41 21.784137684   15.5       ~ 23 0
43 IC 190 GiG 02 02 07.2928022448 +23 32 59.434527480   15.1       ~ 19 0
44 UGC 1538 AG? 02 03 20.70 +23 45 39.0   17       ~ 25 0
45 LEDA 169961 AG? 02 03 43.126 +24 01 41.75           ~ 12 0
46 LEDA 169962 AG? 02 09 07.10 +23 50 34.0           ~ 8 0
47 2MASX J02091145+2315075 EmG 02 09 11.4366798120 +23 15 07.546789404           ~ 14 0
48 LEDA 169963 AG? 02 13 36.065 +23 15 30.92           ~ 8 0
49 Z 483-34 AG? 02 25 10.20 +23 51 07.0   15.6       ~ 13 0
50 Z 483-36 AG? 02 25 21.9638575872 +23 49 38.320674852   15.5       ~ 12 0
51 Z 483-63 AG? 02 28 22.1180270592 +23 12 52.559633268   15.0       ~ 68 0
52 Z 483-65 AG? 02 28 39.934 +23 47 47.21   15.7       ~ 21 0
53 LEDA 169964 AG? 02 29 21.426 +23 58 14.01   16.0       ~ 13 0
54 LEDA 169965 G 02 32 25.8 +23 39 11           ~ 7 0
55 Z 484-5 LSB 02 32 53.809 +23 19 39.60   15.6       ~ 29 0
56 LEDA 169966 AG? 02 33 29.12 +23 29 06.2           ~ 9 0
57 NGC 984 AG? 02 34 43.0972439667 +23 24 46.815242330   14.5       ~ 62 1
58 LEDA 169972 AG? 02 36 04.33488 +23 49 49.2420           ~ 6 0
59 Z 484-12 AG? 02 36 09.698 +23 53 57.03   14.8       ~ 36 0
60 Z 484-16 G 02 37 27.4488426816 +23 18 00.241625916   15.5       ~ 27 0
61 LEDA 169967 G 02 41 18.8 +23 16 05           ~ 7 0
62 Z 484-18 GiG 02 46 54.6644553384 +23 35 44.000413008   15.7       ~ 29 0
63 Z 484-19 GiG 02 47 51.7691595144 +23 24 13.931662824   15.6       ~ 28 0
64 AGC 123352 AG? 02 48 39.11 +23 16 25.0           ~ 12 0
65 LEDA 87212 LSB 02 54 42.40 +23 22 41.0           ~ 8 0
66 LEDA 169969 G 02 57 34.5 +23 47 17           ~ 7 0
67 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
68 NAME HI 1225+01 HI 12 27 19 +01 30.4           ~ 84 1
69 Malin 1 LSB 12 36 59.3463193464 +14 19 49.164305988   17.80       ~ 224 0
70 NGC 4789A GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 614 1
71 [SS98c] 1 G 22 04 27.7 +23 18 48           ~ 2 0
72 LEDA 87138 LSB 22 28 06.8 +23 22 31           ~ 14 0
73 IC 5242 EmG 22 41 15.2067009744 +23 24 24.642366696   14.7       ~ 40 0
74 IC 5243 G 22 41 24.514 +23 22 32.06   14.3       ~ 36 0
75 LEDA 169942 G 22 58 59.531 +24 00 13.81           ~ 13 0
76 Z 475-28 G 23 03 09.3168475296 +23 45 31.114803672   15.7       ~ 21 0
77 LEDA 141060 AG? 23 03 41.30 +23 41 08.0   16.4       ~ 13 0
78 LEDA 169943 AG? 23 08 05.91 +23 15 39.3           ~ 7 0
79 LEDA 169944 AG? 23 08 33.00 +23 37 54.0           ~ 6 0
80 Mrk 317 AG? 23 13 48.3118486296 +23 49 13.989189504   16.0       ~ 19 0
81 NGC 7539 AG? 23 14 29.4296938440 +23 41 05.485115652   13.94 12.95     ~ 29 0
82 UGC 12449 G 23 14 53.1227730672 +23 16 58.594429164   16.0       ~ 17 0
83 Z 476-13 AG? 23 20 52.778 +23 48 26.91   15.6       ~ 46 0
84 Z 476-23 AG? 23 22 36.819 +23 22 29.22   15.7       ~ 12 0
85 LEDA 169945 AG? 23 24 16.90 +23 50 35.0           ~ 7 0
86 Z 476-31 LSB 23 24 33.970 +23 59 11.93   15.7       ~ 35 0
87 NGC 7673 EmG 23 27 41.060 +23 35 20.18 12.84 13.17 12.76     ~ 282 2
88 NGC 7677 GiP 23 28 06.240 +23 31 53.19 13.93 13.93 13.19     ~ 130 1
89 AGC 333291 G 23 31 38.8 +24 02 12           ~ 6 0
90 Z 476-61 G 23 32 02.1843727992 +23 33 26.678237940   15.4       ~ 15 0
91 Z 476-64 AG? 23 32 29.0518086240 +23 55 51.802124916   14.09 13.16     ~ 35 0
92 MCG+04-55-027 G 23 33 31.3092149064 +24 01 12.521126532   16.0       ~ 16 0
93 LEDA 169947 AG? 23 34 27.22008 +23 54 12.6396           ~ 7 0
94 [SS98c] 18 G 23 34 44.6 +23 58 18           ~ 2 0
95 NGC 7712 AG? 23 35 51.6403343376 +23 37 07.392087192   13.70       ~ 66 0
96 LEDA 91817 AG? 23 43 14.260 +23 30 42.77           ~ 16 0
97 GALEXASC J234317.40+232958.5 AG? 23 43 17.50 +23 29 58.0           ~ 3 0
98 2MASX J23533957+2337576 EmG 23 53 39.5633928072 +23 37 57.286104312   18.56       ~ 13 0

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