2007ApJ...664..284T


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.18CEST02:00:21

2007ApJ...664..284T - Astrophys. J., 664, 284-295 (2007/July-3)

Gemini spectroscopic survey of young star clusters in merging/interacting galaxies. II. NGC 3256 clusters.

TRANCHO G., BASTIAN N., MILLER B.W. and SCHWEIZER F.

Abstract (from CDS):

We present Gemini optical spectroscopy of 23 young star clusters in NGC 3256. We find that the cluster ages range from few to ∼150 Myr. All these clusters are relatively massive [(2-40)x105 M] and appear to be of roughly 1.5 Zmetallicity. The majority of the clusters in our sample follow the same rotation curve as the gas and hence were presumably formed in the molecular-gas disk. However, a western subsample of five clusters has velocities that deviate significantly from the gas rotation curve. These clusters may either belong to the second spiral galaxy of the merger or may have formed in tidal-tail gas falling back into the system. We discuss our observations in light of other known cluster populations in merging galaxies, and suggest that NGC 3256 is similar to Arp 220, and hence may become an ultraluminous infrared galaxy as the merger progresses and the star formation rate increases. Some of the clusters that appeared as isolated in our ground-based images are clearly resolved into multiple subcomponents in the HST ACS images. The same effect has been observed in the Antennae galaxies, showing that clusters are often not formed in isolation, but instead tend to form in larger groups or cluster complexes.

Abstract Copyright:

Journal keyword(s): Galaxy: Globular Clusters: General - globular clusters: individual (NGC 3256)

Nomenclature: Table 1: [TBS2007] TNNNN N=23 added among (Nos T88-T2005).

Simbad objects: 41

goto Full paper

goto View the reference in ADS

Number of rows : 41

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 942 3
2 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3460 3
3 NGC 1316 GiP 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1161 1
4 M 82 IG 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5213 6
5 [TBS2007] T492 Cl* 10 27 48.960 -43 54 30.92           ~ 1 0
6 [TBS2007] T1078 Cl* 10 27 48.960 -43 54 21.17           ~ 2 0
7 [TBS2007] T88 Cl* 10 27 49.130 -43 54 22.04           ~ 2 0
8 [TBS2007] T99 Cl* 10 27 49.720 -43 54 21.03           ~ 2 0
9 [TBS2007] T96 Cl* 10 27 49.920 -43 54 32.90           ~ 1 0
10 [TBS2007] T116 Cl* 10 27 50.410 -43 54 22.51           ~ 1 0
11 [TBS2007] T112 Cl* 10 27 50.560 -43 54 28.61           ~ 2 0
12 [TBS2007] T141 Cl* 10 27 50.820 -43 54 17.22           ~ 1 0
13 [TBS2007] T161 Cl* 10 27 50.940 -43 54 08.01           ~ 1 0
14 NGC 3256 IG 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 732 2
15 [TBS2007] T661 Cl* 10 27 51.370 -43 54 09.22           ~ 2 0
16 [TBS2007] T199 Cl* 10 27 51.430 -43 53 55.56           ~ 1 0
17 [TBS2007] T306 Cl* 10 27 51.500 -43 54 10.62           ~ 1 0
18 [TBS2007] T654 Cl* 10 27 51.610 -43 54 03.67           ~ 1 0
19 [TBS2007] T343 Cl* 10 27 51.830 -43 54 10.91           ~ 1 0
20 [TBS2007] T744 Cl* 10 27 51.840 -43 54 21.17           ~ 1 0
21 [TBS2007] T356 Cl* 10 27 52.260 -43 54 10.38           ~ 1 0
22 [TBS2007] T779 Cl* 10 27 52.530 -43 54 14.00           ~ 1 0
23 [TBS2007] T201 Cl* 10 27 52.580 -43 54 29.03           ~ 1 0
24 [TBS2007] T761 Cl* 10 27 52.630 -43 54 03.53           ~ 1 0
25 [TBS2007] T374 Cl* 10 27 52.770 -43 54 07.60           ~ 1 0
26 [TBS2007] T799 Cl* 10 27 53.050 -43 54 07.78           ~ 1 0
27 [TBS2007] T2005 Cl* 10 27 53.080 -43 54 13.20           ~ 2 0
28 [TBS2007] T1002 Cl* 10 27 54.740 -43 54 12.46           ~ 1 0
29 HD 100953 PM* 11 37 01.2079021641 -32 59 17.547212369   6.738 6.318     F5V 33 0
30 NGC 3921 IG 11 51 06.8746094191 +55 04 43.392337063   13.4 12.64     ~ 232 0
31 NGC 4038 GiP 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1263 1
32 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1532 0
33 NGC 4039 GiP 12 01 53.8 -18 53 06   11.08   9.77   ~ 1123 1
34 HD 126248 ** 14 24 11.3443421 +05 49 12.467853   5.222 5.094     A3V 73 0
35 * lam Lup SB* 15 08 50.6128505350 -45 16 47.500979673 3.18 3.908 4.07     B3V 131 1
36 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2620 4
37 W 30 SNR 18 05 38 -21 36.7           ~ 155 1
38 NGC 6872 IG 20 16 56.4029251107 -70 46 05.071599597   11.97 11.59 10.71 11.9 ~ 79 0
39 NGC 7252 IG 22 20 44.7751096408 -24 40 41.905677809 12.26 12.46 12.06 11.57   ~ 655 1
40 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 373 1
41 NAME Local Group GrG ~ ~           ~ 6660 0

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2007ApJ...664..284T and select 'bookmark this link' or equivalent in the popup menu


2019.10.18-02:00:21

© Université de Strasbourg/CNRS

    • Contact