2015MNRAS.447L..85K

Query : 2015MNRAS.447L..85K

2015MNRAS.447L..85K - Mon. Not. R. Astron. Soc., 447, L85-L89 (2015/February-2)

A new isolated dSph galaxy near the Local Group.

KARACHENTSEV I.D., MAKAROVA L.N., MAKAROV D.I., TULLY R.B. and RIZZI L.

Abstract (from CDS):

Observations of the highly isolated dwarf spheroidal galaxy KKs 3 = [KK2000] 03 with the Hubble Space Telescope Advanced Camera for Surveys are presented. We measured the galaxy distance of 2.12±0.07Mpc using the tip of red giant branch method. The total blue absolute magnitude of the galaxy is estimated as MB = -10.8 mag. We briefly discuss the star formation history of KKs 3 derived from its colour-magnitude diagram. According to our calculation, the total stellar mass of the galaxy is 2.3x107M☉, and most stars (74 percent) were formed at an early epoch more than 12 Gyr ago. A full description of the properties of the colour-magnitude diagram requires some extension of star formation in metallicity and age.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): galaxies: distances and redshifts - galaxies: dwarf - galaxies: individual: KKs 3 - galaxies: stellar content

Nomenclature: Fig. 1: [KMM2015] GC N=1.

Simbad objects: 21

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Number of rows : 21
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 NAME Andromeda XVIII G 00 02 14.5 +45 05 20     16.0     ~ 129 0
2 NGC 55 rG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 828 2
3 NAME Cetus Dwarf Galaxy G 00 26 10.8 -11 03 14     13.2     ~ 257 0
4 ESO 294-10 AG? 00 26 33.37 -41 51 19.1   15.76 15.3 14.97   ~ 122 2
5 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
6 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
7 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
8 LEDA 9140 G 02 24 40.9 -73 30 48   16.0       ~ 41 0
9 [KMM2015] GC GlC 02 24 43.45 -73 30 50.1     18.30   17.41 ~ 3 0
10 NGC 1313 AG? 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 723 2
11 Z 264-88 AG? 09 16 02.0195908968 +52 50 42.051257412   14.0 13.2     ~ 141 0
12 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
13 NAME Leo P BiC 10 21 45.123 +18 05 16.89           ~ 268 0
14 IC 3104 AG? 12 18 46.06 -79 43 33.9   13.65 12.8 12.04   ~ 93 1
15 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
16 LEDA 2801026 LSB 16 13 47.504 +54 22 08.25     15.9     ~ 115 0
17 IC 5152 rG 22 02 41.521 -51 17 47.20   11.03 10.9 10.19   ~ 273 1
18 ESO 468-20 G 22 40 43.6 -30 47 55   15.88   15.13   ~ 45 0
19 NAME Tuc Galaxy G 22 41 49.6 -64 25 10   15.7 15.2     ~ 324 0
20 NAME APPLES 1 G 23 15 03.3 -42 32 22           ~ 17 0
21 NAME Local Group GrG ~ ~           ~ 9325 0

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