2005A&A...442..597V


Query : 2005A&A...442..597V

2005A&A...442..597V - Astronomy and Astrophysics, volume 442, 597-613 (2005/11-1)

Dust-enshrouded giants in clusters in the Magellanic Clouds.

VAN LOON J.T., MARSHALL J.R. and ZIJLSTRA A.A.

Abstract (from CDS):

We present the results of an investigation of post-Main Sequence mass loss from stars in clusters in the Magellanic Clouds, based around an imaging survey in the L'-band (3.8µm) performed with the VLT at ESO. The data are complemented with JHKs (ESO and 2MASS) and mid-IR photometry (TIMMI2 at ESO, ISOCAM on-board ISO, and data from IRAS and MSX). The goal is to determine the influence of initial metallicity and initial mass on the mass loss and evolution during the latest stages of stellar evolution. Dust-enshrouded giants are identified by their reddened near-IR colours and thermal-IR dust excess emission. Most of these objects are Asymptotic Giant Branch (AGB) carbon stars in intermediate-age clusters, with progenitor masses between 1.3 and ∼5M. Red supergiants with circumstellar dust envelopes are found in young clusters, and have progenitor masses between 13 and 20M. Post-AGB objects (e.g., Planetary Nebulae) and massive stars with detached envelopes and/or hot central stars are found in several clusters. We model the spectral energy distributions of the cluster IR objects, in order to estimate their bolometric luminosities and mass-loss rates. The IR objects are the most luminous cluster objects, and have luminosities as expected for their initial mass and metallicity. They experience mass-loss rates in the range from a few 10–6 up to 10–4M/yr (or more), with most of the spread being due to evolutionary effects and only a weak dependence on progenitor mass and/or initial metallicity. About half of the mass lost by 1.3-3 M stars is shed during the superwind phase, which lasts of order 105yr. Objects with detached shells are found to have experienced the highest mass-loss rates, and are therefore interpreted as post-superwind objects. We also propose a simple method to measure the cluster mass from L'-band images.

Abstract Copyright:

Journal keyword(s): stars: AGB and post-AGB - Sun: evolution - stars: mass-loss - supergiants - Magellanic Clouds - infrared: stars

Nomenclature: Table 2: [VMZ2005] HS NNN IR N N=1+1, [VMZ2005] HS 327-E IR N N=2, [VMZ2005] KMHK NNNN IR N N=2+1+1, [VMZ2005] SL NNN IR N N=1+1+2, [VMZ2005] BSDL 1837 IR N N=1. Table 2: Cl* NGC 419 IR N (No. 2) added, Cl* NGC 1852 IR N N=1, Cl* NGC 1903 IR N (Nos 1-3), Cl* NGC 1984 IR N (Nos 1-3), Cl* NGC 1994 IR N N=1, Cl* NGC 1978 IR N (Nos 2-4) added, Cl* NGC 2100 IR N N=1, Cl* NGC 2121 IR N N=1.

Simbad objects: 80

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Number of rows : 80
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 ESO 28-19 Cl* 00 24 47 -72 47.7   11.6 12.05     ~ 142 0
2 NGC 121 GlC 00 26 49.0 -71 32 10   11.2 11.24     ~ 298 0
3 NGC 152 OpC 00 32 56.26 -73 06 56.6 13.37 13.05 12.26   11.13 ~ 87 0
4 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10463 1
5 * lam Tuc RG* 00 55 00.3110878776 -69 31 37.504702308   6.537 5.454     K2III 51 0
6 NGC 330 Cl* 00 56 20.59 -72 27 12.5 9.37 9.76 9.55   8.89 ~ 392 0
7 HW 32 As* 00 57 24.0 -71 11 00           ~ 12 0
8 NGC 416 Cl* 01 07 59.0 -72 21 20 12.73 12.55 11.76   10.71 ~ 140 1
9 Cl* NGC 419 IR 1 C* 01 08 12.97 -72 52 44.0 18.585 18.637 18.33   15.77 C 23 0
10 [TKN2004] NGC 419 8 C* 01 08 17.513 -72 53 09.23           C 13 0
11 NGC 419 OpC 01 08 17.79 -72 53 02.8 11.41 11.16 10.50   9.34 ~ 257 0
12 NGC 458 OpC 01 14 53.36 -71 32 58.7 11.86 11.85 11.66   11.23 ~ 75 0
13 Cl Lindsay 113 Cl* 01 49 30.0 -73 43 40   11.9       ~ 85 0
14 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 6496 1
15 HD 19904 * 03 10 42.8119612032 -39 03 05.573220912   7.15 7.30     A4III/IV 22 0
16 HD 22686 * 03 38 55.0926835176 +02 45 48.585043080   7.24 7.22     A0/1V 46 0
17 * gam Ret LP* 04 00 53.8085989 -62 09 33.425014 7.93 6.12 4.50 2.84 1.36 M4III 65 0
18 * tet Ret ** 04 17 40.27197 -63 15 19.4619           ~ 14 0
19 NGC 1651 GlC 04 37 32.530 -70 35 08.71   12.99 12.28     ~ 116 0
20 KMHK 119 OpC 04 49 16 -69 52.5           ~ 10 0
21 IRAS 04496-6958 C* 04 49 18.4933717920 -69 53 14.430196680 20.060 20.027 18.791 15.087 15.060 C 47 0
22 WOH S 76 LP* 04 55 34.8815838752 -69 26 55.644344318   11.67 11.38 11.51 9.966 OB 11 0
23 KMHK 292 Cl* 04 55 34.930 -69 26 39.47           ~ 10 0
24 IRAS 04557-6753 C* 04 55 38.98 -67 49 10.7 20.078 19.746 19.511   18.865 C 18 1
25 KMHK 285 Cl* 04 55 41.830 -67 49 18.34           ~ 13 1
26 SV* HV 12501 LP? 04 55 41.8409744232 -69 26 24.175512060 16.013 13.78 12.443 10.67 10.182 M1.5 30 0
27 MSX LMC 1273 LP* 04 59 01.0951429608 -65 58 30.272934323       16.080   ~ 9 0
28 NGC 1783 GlC 04 59 08.590 -65 59 15.84   10.9 10.93     ~ 241 0
29 NGC 1818 GlC 05 04 13.300 -66 26 05.47           ~ 251 0
30 NGC 1831 GlC 05 06 17.4 -64 55 11   11.52 11.18     ~ 162 0
31 SMP LMC 31 * 05 09 20.2038929256 -67 47 25.099890216 17.001 17.815 17.117 15.470 16.582 ~ 43 0
32 NGC 1866 GlC 05 13 38.920 -65 27 52.75           ~ 407 0
33 * tet Dor Er* 05 13 45.4557074664 -67 11 06.929786400 7.48 6.097 4.801     K2+III 66 0
34 BRHT 33a Cl* 05 16 54.41 -68 52 35.8   13.96 13.27     ~ 29 0
35 2MASS J05171633-6920298 Mi* 05 17 16.33 -69 20 29.8     20.448 16.942 16.768 ~ 11 0
36 2MASS J05171737-6920545 Mi* 05 17 17.38 -69 20 54.6     19.405 15.518 15.559 ~ 11 0
37 IRAS 05176-6922 mul 05 17 22.2 -69 20 17           ~ 5 1
38 NGC 1903 Cl* 05 17 22.700 -69 20 08.17           ~ 65 1
39 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16407 1
40 BRHT 51a OpC 05 23 52 -71 34.7           ~ 9 0
41 IRAS 05246-7137 LP* 05 23 53.934 -71 34 43.89           ~ 9 0
42 OGLE-CL LMC 446 Cl* 05 25 01.770 -69 25 58.22   12.57 12.27     ~ 15 0
43 MSX LMC 484 LP* 05 25 03.258 -69 26 16.98           ~ 7 1
44 [SL63] 482 Cl* 05 27 17.510 -66 22 10.03           ~ 12 1
45 LHA 120-S 35 Em* 05 27 17.8391797320 -66 22 05.633592636 12.458 11.5 13.056 13.14 12.484 ~ 28 1
46 SMP LMC 64 pA* 05 27 35.6519960256 -69 08 56.376548880 15.897 16.651 16.408   15.563 ~ 35 0
47 NGC 1984 Cl* 05 27 40 -69 08.1   10.00 9.99     ~ 77 0
48 WOH G 347 LP* 05 27 40.1077130662 -69 08 04.622623634     12.319 8.0 10.495 M 15 1
49 OH 279.6 -32.6 OH* 05 27 40.78 -69 08 05.7           ~ 24 1
50 [W60] A8 s*r 05 27 47.5065412728 -69 13 20.593233840 14.493 14.264 12.736 11.51 10.349 M4Iab 25 0
51 BSDL 1837 Cl* 05 27 51 -69 13.3           ~ 8 0
52 IRAS 05287-6910 * 05 28 22.3 -69 08 34           ~ 6 1
53 NGC 1994 Cl* 05 28 22.7 -69 08 32           ~ 47 0
54 HD 269599 ** 05 28 22.71 -69 08 31.9   10.741       ~ 61 3
55 Cl* NGC 1978 WBT 1268 C* 05 28 40.180 -66 13 54.22   20.436 19.416     C-rich 18 0
56 2MASS J05284449-6614039 C* 05 28 44.5066572517 -66 14 03.869261036 16.352 16.525 15.604 14.88 13.37 C-rich 20 1
57 NGC 1978 GlC 05 28 45.330 -66 14 12.04   10.7 10.70     ~ 299 0
58 IRAS 05287-6616 C* 05 28 47.127 -66 14 14.01           C-rich 16 0
59 IRAS 05289-6617 C* 05 29 02.412 -66 15 27.77   22.276 21.353     C 25 0
60 KMK88 59 Cl* 05 29 24.59 -69 55 11.8           ~ 8 0
61 IRAS 05298-6957 pA* 05 29 24.634 -69 55 13.61           ~ 41 0
62 2MASS J05292546-6954523 LP* 05 29 25.46 -69 54 52.3     16.280 13.954 13.86 C4.5 5 0
63 [SL63] 519S Cl* 05 30 01.73 -69 57 02.3           ~ 9 0
64 2MASS J05300215-6956171 NIR 05 30 02.1671687568 -69 56 17.085792876         15.89 ~ 1 0
65 MSX LMC 654 AB* 05 30 04.87 -69 56 45.2           ~ 5 0
66 NGC 2002 Cl* 05 30 21.000 -66 53 06.20           ~ 62 0
67 NGC 2010 Cl* 05 30 34.230 -70 49 08.23   11.96 11.72     ~ 38 0
68 NGC 2004 Cl* 05 30 41.340 -67 17 21.83   9.6       ~ 273 0
69 NGC 2100 Cl* 05 42 07.200 -69 12 26.99   9.6       ~ 186 0
70 W61 6-65 LP* 05 42 11.5607917656 -69 12 48.734561664   16.327 14.033   11.45 ~ 10 0
71 NGC 2121 Cl* 05 48 13.190 -71 28 52.00   13.21 12.37     ~ 126 0
72 2MASS J05481680-7128392 Mi* 05 48 16.7881102800 -71 28 39.382132080   19.961 17.972 14.830 14.717 C-rich 16 0
73 * gam Pic PM* 05 49 49.6618144 -56 09 59.980752   5.589 4.494     K1III 70 0
74 NGC 2155 Cl* 05 58 32.070 -65 28 38.62   13.41 12.60     ~ 102 0
75 ESO 121-3 Cl* 06 02 03.32 -60 31 25.6   14.91 14.04     ~ 111 0
76 KMHK 1603 Cl* 06 02 30 -67 12.9           ~ 10 0
77 IRAS 06025-6712 C* 06 02 31.06 -67 12 47.0           C 22 0
78 NGC 2210 GlC 06 11 31.296 -69 07 17.04   10.9 10.94     ~ 181 0
79 HD 45701 PM* 06 24 26.6002796856 -63 25 44.439432744   7.12 6.46     G1V 106 0
80 * alf Hya * 09 27 35.24270 -08 39 30.9583 5.14 3.42 1.97 0.93 0.16 K3IIIa 420 0

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2022.12.02-15:12:04

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