2000AJ....120.1801B

Query : 2000AJ....120.1801B

2000AJ....120.1801B - Astron. J., 120, 1801-1807 (2000/October-0)

A carbon star survey of the Local Group dwarf galaxies. II. Pegasus, DDO 210, and Tucana.

BATTINELLI P. and DEMERS S.

Abstract (from CDS):

We present the latest results of our ongoing four-filter photometric survey of C stars in Local Group dwarf irregular galaxies. Observations of the two low-luminosity dwarf irregular galaxies, Pegasus and DDO 210, revealed 40 and three C stars, respectively, assuming that the reddening of Pegasus is negligible. No C stars were identified in Tucana. Our observations permit the estimation of the color-magnitude diagram contamination by foreground M dwarfs thus yielding reliable C/M ratios. Our R and I photometry of the C stars cannot be used to solve the extinction controversy toward Pegasus. The three C stars in DDO 210 are quite bright when compared with C star populations in other dwarf galaxies. A larger, fainter population in that galaxy seems improbable, however. The statistics of C stars currently on hand for dwarf galaxies show a well-defined trend with the absolute magnitude of dwarf galaxies.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual (DDO 210, Pegasus, Tucana) - Galaxies: Stellar Content - Stars: Carbon

VizieR on-line data: <Available at CDS (J/AJ/120/1801): table4.dat table5.dat>

Nomenclature: Table 4: [BD2000] Pegasus CNN (Nos C01-C40). Table 5: [BD2000] DDO 210 CNN (Nos C01-C03).

Simbad objects: 58

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Number of rows : 58
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 MCG-03-01-015 G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 782 2
2 NGC 55 rG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 828 2
3 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 720 1
4 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 840 1
5 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
6 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1316 2
7 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
8 Z 133-19 AG? 14 15 57.0834 +23 03 29.871 15.40 14.77 14.41 14.32   ~ 296 0
9 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 323 1
10 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
11 [BD2000] DDO 210 C02 C* 20 46 39.22 -12 50 31.8           ~ 1 0
12 [BD2000] DDO 210 C01 C* 20 46 50.47 -12 50 24.0           ~ 1 0
13 MCG-02-53-003 G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 470 1
14 [BD2000] DDO 210 C03 C* 20 46 52.92 -12 50 26.2           ~ 1 0
15 NAME Tuc Galaxy G 22 41 49.6 -64 25 10   15.7 15.2     ~ 324 0
16 [BD2000] Pegasus C28 C* 23 28 18.213 +14 45 47.97           ~ 1 0
17 [BD2000] Pegasus C29 C* 23 28 23.211 +14 45 36.30           ~ 1 0
18 [BD2000] Pegasus C03 C* 23 28 24.815 +14 46 31.35           ~ 1 0
19 [BD2000] Pegasus C07 C* 23 28 25.405 +14 45 04.73           ~ 1 0
20 [BD2000] Pegasus C09 C* 23 28 27.691 +14 45 14.62           ~ 1 0
21 [BD2000] Pegasus C14 C* 23 28 29.030 +14 45 56.95           ~ 1 0
22 [BD2000] Pegasus C10 C* 23 28 30.444 +14 44 08.01           ~ 1 0
23 [BD2000] Pegasus C16 C* 23 28 31.615 +14 44 04.17           ~ 1 0
24 [BD2000] Pegasus C22 C* 23 28 32.302 +14 46 21.96           ~ 1 0
25 [BD2000] Pegasus C13 C* 23 28 32.623 +14 44 34.73           ~ 1 0
26 [BD2000] Pegasus C20 C* 23 28 32.942 +14 44 20.30           ~ 1 0
27 [BD2000] Pegasus C39 C* 23 28 33.774 +14 46 37.55           ~ 1 0
28 [BD2000] Pegasus C08 C* 23 28 34.052 +14 44 38.62           ~ 1 0
29 [BD2000] Pegasus C21 C* 23 28 34.362 +14 45 23.32           ~ 1 0
30 Z 431-72 G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 499 1
31 [BD2000] Pegasus C36 C* 23 28 35.621 +14 42 17.09           ~ 1 0
32 [BD2000] Pegasus C02 C* 23 28 35.857 +14 44 19.70           ~ 1 0
33 [BD2000] Pegasus C06 C* 23 28 35.911 +14 44 47.57           ~ 1 0
34 [BD2000] Pegasus C25 C* 23 28 36.400 +14 44 10.61           ~ 1 0
35 [BD2000] Pegasus C31 C* 23 28 36.400 +14 44 10.61           ~ 1 0
36 [BD2000] Pegasus C27 C* 23 28 36.601 +14 45 08.43           ~ 1 0
37 [BD2000] Pegasus C37 C* 23 28 36.670 +14 44 55.86           C 3 0
38 [BD2000] Pegasus C32 C* 23 28 36.92 +14 42 58.8           ~ 1 0
39 [BD2000] Pegasus C40 C* 23 28 37.106 +14 45 06.92           ~ 1 0
40 [BD2000] Pegasus C18 C* 23 28 37.372 +14 43 50.28           ~ 1 0
41 [BD2000] Pegasus C26 C* 23 28 38.256 +14 43 27.27           ~ 1 0
42 [BD2000] Pegasus C12 C* 23 28 39.563 +14 43 16.85           ~ 1 0
43 [BD2000] Pegasus C24 C* 23 28 40.088 +14 43 41.88           ~ 1 0
44 [BD2000] Pegasus C30 C* 23 28 40.641 +14 46 14.09           ~ 1 0
45 [BD2000] Pegasus C04 C* 23 28 40.682 +14 43 40.63           ~ 1 0
46 [BD2000] Pegasus C34 C* 23 28 40.988 +14 42 49.98           ~ 1 0
47 [BD2000] Pegasus C23 C* 23 28 41.137 +14 44 11.25           ~ 1 0
48 [BD2000] Pegasus C17 C* 23 28 41.479 +14 43 46.84           ~ 1 0
49 [BD2000] Pegasus C33 C* 23 28 42.590 +14 45 03.74           ~ 2 0
50 [BD2000] Pegasus C35 C* 23 28 42.763 +14 44 04.89           ~ 1 0
51 [BD2000] Pegasus C19 C* 23 28 43.834 +14 44 07.48           ~ 1 0
52 [BD2000] Pegasus C11 C* 23 28 44.268 +14 43 11.41           ~ 1 0
53 [BD2000] Pegasus C15 C* 23 28 47.212 +14 42 59.09           ~ 2 0
54 [BD2000] Pegasus C38 C* 23 28 47.382 +14 41 22.31           ~ 1 0
55 [BD2000] Pegasus C05 C* 23 28 48.067 +14 41 21.81           ~ 1 0
56 [BD2000] Pegasus C01 C* 23 28 50.024 +14 42 49.22           ~ 1 0
57 NAME Peg dSph GiG 23 51 46.3 +24 34 57   14.5 13.2     ~ 250 2
58 NAME Local Group GrG ~ ~           ~ 9325 0

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