1998A&AS..128..459M

Query : 1998A&AS..128..459M

1998A&AS..128..459M - Astron. Astrophys., Suppl. Ser., 128, 459-470 (1998/March-2)

Detailed images and distance measurements for eighteen dwarf irregular galaxies in the Canes Venatici cloud.

MAKAROVA L., KARACHENTSEV I., TAKALO L.O., HEINAEMAEKI P. and VALTONEN M.

Abstract (from CDS):

In the Canes Venatici cloud, eighteen dwarf irregular galaxies were observed in B, V bands at the Nordic Optical Telescope under a seeing of one arcsec. Most of the galaxies having radial velocities V0<500km/s have been resolved into stars for the first time. The galaxy distances were derived based on photometry of their brightest blue stars. Distances to some of the galaxies: UGC 6782, UGC 7131 and, probably, K 215, which are located at the CVn southern edge, were estimated to be about 15Mpc, which is typical of the Virgo cluster outskirts. For two LSB galaxies, K 200 and K 215, the distances may be overestimated, probably because of a lack of young massive stars. For the remaining galaxies: UGC 7559, UGC 7599, UGC 7605, UGC 7639, UGC 7698, UGCA 290, UGCA 292, UGC 7866, UGC 8024, UGC 8638, UGC 8651, UGC 8760, and UGC 8833 the estimated distances range from 2.3 to 8.0 Mpc, indicating their actual membership in the CVn cloud. Several objects studied here (UGC 7605, UGC 7639, UGC 8638, UGC 8833) have a well-resolved bluish core and regular yellow outer parts, which may point to composite (new and old) populations. The galaxy UGCA 292 = CVn dwA has unusual global parameters: (B-V)T=+0.08, MT=-11.4, M(HI)/LB=6M☉/L☉ and M(HI)/MT=0.7, being, perhaps, one of the youngest known objects in the Local Universe.

Abstract Copyright: ∼

Journal keyword(s): galaxies: distances - irregular - stellar content

VizieR on-line data: <Available at CDS (J/A+AS/128/459): table3 tables>

Nomenclature: Tables 2-19: [MKT98] UGC NNNN NNN, [MKT98] UGCA NNN NN, [MKT98] K 215 NN, N=1003.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 55

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Number of rows : 55
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 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
2 Z 242-46 bCG 11 33 29.12 +49 14 17.4 14.69 14.61 14.25 14.17   ~ 242 1
3 NGC 3738 AGN 11 35 48.982 +54 31 24.70   12.12 12.04 11.56   ~ 303 0
4 NGC 3741 AG? 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 237 0
5 MCG+04-28-057 GiC 11 48 57.4095791424 +23 50 14.907030000   15.29   14.63   ~ 76 0
6 Z 214-32 AG? 11 50 52.98254 +38 52 50.6594   13.72 13.9 13.39   ~ 175 0
7 NGC 4068 AG? 12 04 03.265 +52 35 26.05   13.29   12.77   ~ 189 0
8 Z 158-32 AG? 12 09 11.797 +30 54 24.54   15.7       ~ 32 0
9 NGC 4144 GiG 12 09 58.601 +46 27 25.85   12.17   11.50   ~ 260 0
10 NGC 4150 GiG 12 10 33.655 +30 24 05.35 12.72 12.44 11.64     ~ 331 2
11 NGC 4163 LSB 12 12 09.34 +36 10 08.1 14.33 13.70 13.2 12.98   ~ 238 0
12 NGC 4190 LSB 12 13 44.765 +36 38 02.49 13.88 13.40 13.25 12.86   ~ 224 0
13 UGCA 276 G 12 14 57.9 +36 13 07 17.66 16.85 16.22 15.92   ~ 105 1
14 MCG+09-20-137 LSB 12 16 30.415 +52 13 45.40   17       ~ 81 1
15 NGC 4244 GiG 12 17 29.659 +37 48 25.60   10.71   9.99   ~ 582 1
16 Z 128-70 EmG 12 17 34.021 +22 32 23.35   14.07   13.21   ~ 276 0
17 MCG+08-22-105 LSB 12 19 09.0802283352 +47 05 23.244084960   17       ~ 62 0
18 IC 3308 LSB 12 25 18.03576 +26 42 51.6168   15.4       ~ 49 0
19 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
20 Z 244-18 bCG 12 26 15.69 +48 29 38.3   15.3       ~ 364 0
21 Z 187-44 GiP 12 27 05.566 +37 08 30.39   14.19   13.55   ~ 217 0
22 Z 216-4 GiG 12 27 40.90 +43 29 44.0 13.75 13.10 12.7 12.33   ~ 270 0
23 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1192 1
24 Z 187-46 GiP 12 28 28.084 +37 14 05.36   15.6       ~ 105 0
25 Z 187-47 GiG 12 28 38.743 +35 43 02.91 15.50 15.12 14.86 14.78   ~ 130 1
26 Z 244-24 GiG 12 29 53.40 +47 31 52.0   14.32   13.44   ~ 84 0
27 NAME CVn I Group GrG 12 32 48.3 +33 57 07           ~ 149 0
28 Z 159-13 GiC 12 32 54.5 +31 32 30   13.50   13.03   ~ 180 0
29 UGCA 290 IG 12 37 21.7 +38 44 28   17       ~ 75 1
30 NAME CVn I dwA GiC 12 38 40.06 +32 46 00.5 16.91 16.66 16.73 16.62   ~ 242 0
31 NGC 4605 GiG 12 39 59.2837284936 +61 36 32.822365392   10.94   10.35   ~ 347 2
32 IC 3687 GiG 12 42 15.1540831512 +38 30 05.844632940   15.5       ~ 153 0
33 MCG+06-28-030 GiC 12 47 00.610 +36 28 37.09   17       ~ 86 0
34 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1476 2
35 NGC 4789A GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 614 1
36 LEDA 44055 LSB 12 55 41.0 +19 12 34           ~ 44 0
37 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 1010 2
38 IC 4182 BiC 13 05 48.7478324064 +37 36 12.965157684   11.86   11.40   ~ 344 1
39 MCG+08-24-048 AG? 13 08 03.552 +46 49 40.02   17       ~ 79 0
40 NGC 5023 EmG 13 12 11.8036148808 +44 02 17.328663600   13.2       ~ 265 0
41 MCG+08-24-090 AG? 13 13 22.839 +46 19 21.71   17       ~ 135 1
42 Z 245-36 AG? 13 14 27.997 +45 55 11.14 13.63 13.26 13.02 12.81   ~ 297 0
43 Z 245-38 AG? 13 15 29.753 +47 29 58.69   15.6       ~ 114 1
44 NGC 5204 LSB 13 29 36.508 +58 25 07.43   11.84   11.37   ~ 494 0
45 Z 271-48 EmG 13 30 44.8682655624 +54 54 38.522749824 14.72 14.25 13.90 13.75   ~ 218 0
46 NGC 5229 LSB 13 34 02.831 +47 54 55.68   14.6       ~ 149 0
47 NGC 5238 GiP 13 34 42.5146948080 +51 36 49.168365696   14.2       ~ 143 0
48 Z 131-18 EmG 13 39 19.348 +24 46 27.77 15.21 14.84 14.46 14.29   ~ 94 0
49 Z 218-34 AG? 13 39 53.75 +40 44 25.3 15.37 14.56 14.20 14.10   ~ 165 0
50 Z 190-66 AG? 13 50 51.3127548768 +38 01 14.958828876 15.56 14.78   14.33   ~ 161 0
51 Z 272-13 AG? 13 54 45.602 +53 54 20.06   14.2       ~ 219 0
52 MCG+06-31-023 AG? 13 54 48.8114 +35 50 07.775   16.5   15.20   ~ 123 1
53 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
54 NGC 5474 GiP 14 05 01.608 +53 39 43.95   11.28 10.79     ~ 475 1
55 NGC 5477 AG? 14 05 33.318 +54 27 37.85 13.94 14.36 14.01     ~ 224 1

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