1998A&AS..129..313B

Query : 1998A&AS..129..313B

1998A&AS..129..313B - Astron. Astrophys., Suppl. Ser., 129, 313-328 (1998/April-2)

Structure and stellar content of dwarf galaxies. I. B and R photometry of dwarf galaxies in the M 81 group.

BREMNES T., BINGGELI B. and PRUGNIEL P.

Abstract (from CDS):

We have carried out CCD photometry in the Cousins B and R bands of 25 dwarf galaxy members and suspected members of the M 81 group of galaxies. Based on azimuthally averaged brightness profiles we have derived total magnitudes, effective radii, effective surface brightnesses, as well as galaxy diameters at various isophotal levels in both photometric bands. Best-fitting exponential parameters and B - R colour gradients are also given for these galaxies. The data will be interpreted, along with those of another supplementary paper, in Paper III of this series (to appear in the main journal). In two appendices we discuss the nature of a clustering of unusual low-surface brightness objects in the south-east corner of the M 81 group and show the luminosity function of its presently known members.

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Journal keyword(s): galaxies: general - galaxies: fundamental parameters - galaxies: photometry - galaxies: irregular - galaxies: clusters: M 81 group

Nomenclature: Table 1: [B93] NN (Nos 1-41)

Simbad objects: 43

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Number of rows : 43
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 UGC 4305 IG 08 19 04.9864630512 +70 43 13.086910452 12.06 11.72 11.39 11.11   ~ 812 2
2 NAME M 81 Dwarf A G 08 23 55.1 +71 01 56   16.5       ~ 209 1
3 Z 311-8 GiG 08 34 07.20 +66 10 54.0 15.39 15.03 14.70 14.49   ~ 357 2
4 Z 331-51 GiG 08 37 03.00 +69 46 31.0 15.70 15.46 14.98 14.89   ~ 316 0
5 UGC 4945 AG? 09 22 26.63 +75 45 58.8   17       ~ 24 0
6 Z 332-49 AG? 09 25 10.9152585432 +68 22 59.167851456 15.94 15.13 14.42 14.09   ~ 50 0
7 Z 332-57 LSB 09 40 32.33 +71 10 56.0 14.53 14.00 13.66 13.41   ~ 372 1
8 LEDA 27949 AG? 09 45 16.726 +69 23 31.78   16.9       ~ 23 0
9 NGC 2976 GiG 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 712 1
10 LEDA 28163 G 09 47 53.9 +69 16 05   18.0       ~ 8 0
11 LEDA 28411 G 09 51 50.1 +72 05 00           ~ 14 0
12 LEDA 28529 G 09 53 48.8 +68 58 09   18.89       ~ 97 1
13 NAME M 81-82 Group GrG 09 55 +69.1           ~ 758 0
14 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
15 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
16 LEDA 28731 G 09 57 02.7 +68 35 30   15.17       ~ 119 1
17 NAME Arp Loop G 09 57 29.0 +69 16 20           ~ 71 1
18 MCG+12-10-012 AG? 09 57 32.8632 +69 02 50.735 15.19 15.15 14.10 14.12   ~ 327 4
19 NGC 3077 GiP 10 03 19.0965510921 +68 44 01.556166166 11.23 10.85 10.14 9.74   ~ 808 0
20 NAME Garland G 10 03 43.1 +68 41 32           ~ 69 2
21 LEDA 29231 G 10 04 40.3 +68 15 20   17.43 16.72     ~ 77 0
22 UGC 5428 AG? 10 05 06.40 +66 33 32.0 17.89 16.82 16.09 15.73   ~ 113 1
23 Z 333-17 LSB 10 05 30.45024 +70 21 51.4253 15.95 15.56 15.09 14.87   ~ 214 1
24 UGC 5442 AG? 10 07 01.90 +67 49 39.0 17.09 15.73 15.07 14.81   ~ 95 1
25 DDO 78 G 10 26 27.9 +67 39 24   15.8       ~ 88 1
26 UGC 5658 AG? 10 27 44.90 +71 14 15.0   17       ~ 16 0
27 IC 2574 AG? 10 28 23.6148831408 +68 24 43.440012756 11.70 11.07 10.87 10.74   ~ 703 1
28 Z 333-35 GiG 10 30 35.03 +70 37 07.2 14.81 13.69 13.01 12.73   ~ 140 0
29 LEDA 31286 G 10 34 31.9 +66 00 42   16.7       ~ 52 1
30 BKK 1 GiG 10 49 01.6 +64 46 51           ~ 2 0
31 UGCA 220 GiG 10 49 22.7 +64 43 20   18       ~ 14 0
32 MCG+11-13-039 GiG 10 49 36.412 +65 32 01.07 15.55 15.27 14.79 14.55   ~ 170 0
33 BKK 4 GiG 10 50 16.5 +64 47 58           ~ 2 0
34 LEDA 32467 GiG 10 50 17.4927792740 +65 07 25.492454376           ~ 9 0
35 Anon 1047+65 GiG 10 50 30.5 +64 44 40           ~ 3 0
36 BKK 7 GiG 10 50 39.4 +64 49 52           ~ 2 0
37 LEDA 32667 LSB 10 52 55.1 +69 32 46   17.2       ~ 88 1
38 LEDA 32710 GiG 10 53 46.3 +65 15 22           ~ 4 0
39 [B93] 38 G 10 54 09.6 +65 01 01           ~ 2 0
40 BKK 9 GiG 10 54 09.6 +65 01 01           ~ 2 0
41 LEDA 32757 GiG 10 54 21.8 +65 12 01           ~ 8 0
42 LEDA 32769 GiG 10 54 33.9 +65 17 01           ~ 3 0
43 LEDA 33305 LSB 11 02 22.3 +70 15 53   17.9       ~ 18 0

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