1999A&A...342L...9H

Query : 1999A&A...342L...9H

1999A&A...342L...9H - Astronomy and Astrophysics, volume 342L9-12 (1999/2-1)

Fundamental properties of the new dwarf galaxy And VI - alias `Pegasus Dwarf' - another companion of M31.

HOPP U., SCHULTE-LADBECK R.E., GREGGIO L. and MEHLERT D.

Abstract (from CDS):

We present medium deep CCD imaging in B, V, and I of the Pegasus Dwarf galaxy (And VI) which was recently found by Karachentsev & Karachentseva (1999A&A...341..355K), and independently also by Armandroff et al. (1998AJ....116.2287A). The Calar Alto 2.2m images show a low surface brightness galaxy. Its structure resembles that of the other known dSph companions of M31 And I, II, III, and V. The brightest stars are resolved in all three colors. Color-magnitude diagrams in either B-V or V-I show the tip of the red giant branch which allows us to estimate a true distance modulus of 24.5±0.2. The color-magnitude diagrams and the structure show no evidence for recent star formation, thus, a classification as spheroidal dwarf galaxy with a rather old population seems appropriate. The total absolute magnitude of this dwarf is MV,0=-10.4±0.2.

Abstract Copyright: ∼

Journal keyword(s): galaxies: dwarf - galaxies: structure - galaxies: distances and redshifts - galaxies: individual: And VI

CDS comments: In the introduction Cassiopeia dwarf galaxy = [KK99] 240.1

Simbad objects: 17

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Number of rows : 17
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 720 1
3 NAME Andromeda III G 00 35 33.8 +36 29 52     14.4     ~ 309 0
4 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 840 1
5 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1370 1
6 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
7 NAME Andromeda I G 00 45 39.8 +38 02 28   13.9 12.7     ~ 355 0
8 NAME Andromeda V G 01 10 17.1 +47 37 41     15.3     ~ 215 0
9 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 402 0
10 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
11 Z 318-18 G 15 09 08.0 +67 13 21   13.60 10.6     ~ 1459 0
12 Z 300-12 G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1428 1
13 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
14 NAME Pisces II G 22 58 31.0 +05 57 09     16.3     ~ 283 0
15 NAME Andromeda VII GiG 23 26 31.0 +50 40 33   13.6 11.8     ~ 222 1
16 Z 431-72 G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 499 1
17 NAME Peg dSph GiG 23 51 46.3 +24 34 57   14.5 13.2     ~ 250 2

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