2006A&A...448..471V


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.10CET03:57:08

2006A&A...448..471V - Astronomy and Astrophysics, volume 448, 471-478 (2006/3-3)

Stellar clusters in dwarf galaxies.

VANZI L. and SAUVAGE M.

Abstract (from CDS):

We present new observations in the Ks (2.2µm) and L' (3.7µm) infrared bands of a sample of blue dwarf galaxies with the larger aim of studying the population of massive stellar clusters, the occurrence of dust-embedded stellar clusters, and their properties. All Ks images show a rich population of clusters, but only a small fraction of them is bright in L'. Most L' sources have radio counterparts. We derived the luminosity function in Ks for the galaxies IC 4661 and NGC 5408, finding both to be consistent with those of similar galaxies. We also compared the number of clusters and their luminosities with the star-formation rate of the host galaxies and found no compelling evidence of correlation. We conclude that young clusters and embedded clusters are a common feature of blue dwarf galaxies and possibly of galaxies in general, we suggest that their occurrence is due to purely statistical effects rather than a phenomenon related to specific physical conditions. In this sense we expect these objects to be abundant at high red-shift.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: starburst - galaxies: star clusters

Nomenclature: Table 2: [VS2006] IC 4662 N (Nos 1-4).

Simbad objects: 29

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Number of rows : 29

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 1705 SBG 04 54 13.500 -53 21 39.82 12.32 12.96 12.56 12.58 12.9 ~ 580 1
2 UGCA 116 H2G 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 492 0
3 [CVS2005] L1 HII 08 36 15.014 -26 24 33.81           ~ 9 0
4 ESO 495-21 bCG 08 36 15.190 -26 24 33.66 12.04 11.93 11.45 11.09 12.3 ~ 484 3
5 [CVS2005] L4a NIR 08 36 15.218 -26 24 34.00           ~ 4 0
6 [CVS2005] L5 HII 08 36 15.308 -26 24 34.61           ~ 8 0
7 NGC 3125 H2G 10 06 33.318 -29 56 07.32 13.03 13.45 13.00 12.50 13.4 ~ 212 1
8 [SFN2002] NGC 3125 A Rad 10 06 33.33 -29 56 06.6           ~ 4 0
9 [SFN2002] NGC 3125 B Rad 10 06 33.99 -29 56 12.2           ~ 4 0
10 Mrk 1307 Sy1 11 52 37.19 -02 28 09.9   14.79   14.09 14.9 ~ 155 0
11 ESO 572-34 EmG 11 58 58.114 -19 01 47.67   14.19 17.8 13.41 14.4 ~ 72 0
12 IC 4249 EmG 13 27 06.5668959889 -27 57 23.387639135   14.48 14.57 13.52   ~ 76 0
13 NGC 5253 AGN 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33   ~ 1247 4
14 NAME NGC 5353 Radio Supernebula Cl* 13 39 56.007 -31 38 25.00           ~ 43 0
15 [CMB97] NGC 5253-5a Cl* 13 39 56.1 +31 38 24           ~ 3 0
16 [SFN2002] NGC 5408 A Rad 14 03 18.30 -41 22 51.2           ~ 2 0
17 [SFN2002] NGC 5408 B Rad 14 03 18.43 -41 22 54.9           ~ 2 0
18 [SFN2002] NGC 5408 C Rad 14 03 18.59 -41 22 54.9           ~ 2 0
19 [SFN2002] NGC 5408 D Rad 14 03 18.69 -41 22 49.8           ~ 3 0
20 NGC 5408 EmG 14 03 20.907 -41 22 39.75   12.59   11.96 12.2 ~ 307 3
21 [HMM90] A1 HII 17 46 59 -64 38.7           ~ 13 0
22 [HMM90] A2 HII 17 46 59 -64 38.7           ~ 13 0
23 [VS2006] IC 4662 4 Rad 17 47 08.79 -64 38 09.8           ~ 3 0
24 IC 4662 bCG 17 47 09.192 -64 38 19.25   11.75 11.1 10.45   ~ 216 4
25 [VS2006] IC 4662 1 Rad 17 47 14.70 -64 38 21.6           ~ 2 0
26 IC 4661 GiG 17 51 02.717 -74 01 56.56   13.48   12.58 13.2 ~ 19 0
27 ESO 338-4 IG 19 27 58.338 -41 34 30.81   13.55 13.21 13.14 13.43 ~ 204 1
28 [VS2006] IC 4662 2 Cl* ~ ~           ~ 1 0
29 [VS2006] IC 4662 3 Cl* ~ ~           ~ 1 0

    Equat.    Gal    SGal    Ecl

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2019.12.10-03:57:08

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