2012A&A...542A..66C


Query : 2012A&A...542A..66C

2012A&A...542A..66C - Astronomy and Astrophysics, volume 542A, 66-66 (2012/6-1)

Identifying young stellar objects in nine Large Magellanic Cloud star-forming regions.

CARLSON L.R., SEWILO M., MEIXNER M., ROMITA K.A. and LAWTON B.

Abstract (from CDS):

We introduce a new set of selection criteria for the identification of infrared bright young stellar object (YSO) candidates and apply them to nine Hii regions in the Large Magellanic Cloud (LMC), focusing particularly on lower mass candidates missed by most surveys. Data are from the Spitzer Space Telescope legacy program SAGE (Surveying the Agents of Galaxy Evolution; Meixner et al., 2006AJ....132.2268M), combined with optical photometry from the Magellanic Clouds Photometric Survey (MCPS; Zaritsky et al., 1997AJ....114.1002Z) and near-infrared photometry from the InfraRed Survey Facility (IRSF; Kato et al. 2007PASJ...59..615K). We choose regions of diverse physical size, star formation rates (SFRs), and ages. We also cover a wide range of locations and surrounding environments in the LMC. These active star-forming regions are LHA 120-N 11, N 44, N 51, N 105, N 113, N 120, N 144, N 160, and N 206. Some have been well-studied (e.g., N11, N44, N160) in the past, while others (e.g., N51, N144) have received little attention. We identify 1045 YSO candidates, including 918 never before identified and 127 matching previous candidate lists. We characterize the evolutionary stage and physical properties of each candidate using the spectral energy distribution (SED) fitter of Robitaille et al. (2007ApJS..169..328R) and estimate mass functions and SFRs for each region.

Abstract Copyright:

Journal keyword(s): stars: formation - stars: protostars - HII regions - photon-dominated region (PDR) - galaxies: star clusters: general - Magellanic Clouds

VizieR on-line data: <Available at CDS (J/A+A/542/A66): table1.dat table2.dat table3.dat table5.dat>

CDS comments: Paragraph 4.1 MC 18 is [EWN94] 045640.87-662905.0 in Simbad.

Simbad objects: 56

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Number of rows : 56
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10365 1
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 6410 1
3 NGC 1761 As* 04 56 39 -66 29.0     9.94     ~ 98 0
4 LHA 120-N 11 HII 04 56 51.4 -66 24 24           ~ 247 0
5 NGC 1763 As* 04 56 51.5 -66 24 25     9.40     ~ 160 3
6 [WSI2008] 161 Y*O 04 58 50.6957119200 -66 07 45.372774720           ~ 2 0
7 SSTISAGE1C J050045.36-662201.5 IR 05 00 45.365 -66 22 01.56           ~ 1 0
8 LHA 120-N 105A HII 05 09 34.3 -68 53 45           ~ 53 1
9 NGC 1858 Cl* 05 09 56.09 -68 54 06.2   9.76 9.88     ~ 80 3
10 LHA 120-N 105 EmO 05 09 57.1 -68 53 31           ~ 42 0
11 SSTISAGE1C J051201.75-684850.0 IR 05 12 01.758 -68 48 50.06           ~ 1 0
12 NGC 1874 Cl* 05 13 13.22 -69 22 30.3   12.47 12.81     ~ 25 0
13 NGC 1876 Cl* 05 13 19.04 -69 21 44.5           ~ 18 0
14 LHA 120-N 113 HII 05 13 21.7 -69 21 33           ~ 107 1
15 NGC 1877 Cl* 05 13 21.75 -69 22 37.9           ~ 13 1
16 LHA 120-N 112 HII 05 13 24.657 -69 10 48.06           ~ 30 1
17 SSTISAGE1C J051329.11-691131.4 IR 05 13 29.115 -69 11 31.48           ~ 1 0
18 IRAS 05191-6936 C* 05 18 48.383 -69 33 34.73     17.916 18.030   C-rich 14 0
19 LH 42 As* 05 18 58.0 -69 39 30           ~ 24 1
20 NGC 1918 SNR 05 19 04.50 -69 38 56.0           ~ 97 0
21 SSTISAGE1C J052049.37-694100.2 IR 05 20 49.374 -69 41 00.28           ~ 1 0
22 NGC 1935 As* 05 21 58 -67 57.3           ~ 106 0
23 LHA 120-N 44 EmO 05 22 06.9 -67 56 46           ~ 185 1
24 NAME LMC Bar ? 05 22 08 -69 23.5           ~ 290 0
25 IC 2127 EmO 05 22 12.532 -67 58 31.92     11.60     ~ 94 1
26 SSTISAGE1C J052316.52-675925.0 IR 05 23 16.523 -67 59 25.07           ~ 1 0
27 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16247 1
28 LHA 120-N 51D HII 05 25 17.3 -67 22 47           ~ 111 0
29 SSTISAGE1C J052525.97-673242.4 IR 05 25 25.977 -67 32 42.48           ~ 1 0
30 KMHK 879 As* 05 25 26 -67 28.4     11.75     ~ 38 0
31 NGC 1955 As* 05 26 12 -67 29.9   8.95 8.87     ~ 64 0
32 2MASS J05261341-6847149 LP* 05 26 13.4385465888 -68 47 14.996702040 18.327 19.187 18.824 16.848   ~ 9 0
33 SSTISAGE1C J052620.93-684855.0 IR 05 26 20.940 -68 48 55.07           ~ 1 0
34 LHA 120-N 144 HII 05 26 42.5 -68 49 34           ~ 67 0
35 LH 58 As* 05 26 45 -68 49.9   7.97 7.96     ~ 58 0
36 LHA 120-N 51 EmO 05 26 47 -67 31.1           ~ 43 0
37 [WSI2008] 732 Y*O 05 27 49.9855665456 -67 25 40.152769104           ~ 2 0
38 SSTISAGE1C J052959.68-710436.8 Y*? 05 29 59.7082189632 -71 04 35.914193364           ~ 2 0
39 [KDS99] GS 69 sh 05 30 08 -71 01.5           ~ 4 0
40 [KDS99] GS 70 sh 05 30 16 -71 00.9           ~ 6 0
41 NAME LMC 3 Supergiant Shell sh 05 30 26 -69 07.9           ~ 70 0
42 LHA 120-N 206A HII 05 31 15.2 -71 03 58           ~ 103 2
43 HD 36502 * 05 32 04.0498929912 -01 28 44.702301720   9.22 9.21     B9IV/V 21 0
44 LHA 120-N 155 HII 05 37 16.7 -69 46 00           ~ 11 0
45 RMC 136 Cl* 05 38 42.396 -69 06 03.36           ~ 1882 1
46 NGC 2074 As* 05 39 03 -69 29.9           ~ 60 0
47 LHA 120-N 158 HII 05 39 11.220 -69 30 13.65           ~ 82 0
48 SSTISAGE1C J053922.76-693011.6 IR 05 39 22.769 -69 30 11.67           ~ 1 0
49 SSTISAGE1C J053932.38-692949.7 IR 05 39 32.383 -69 29 49.74           ~ 1 0
50 NGC 2080 HII 05 39 42.6 -69 38 50           ~ 98 1
51 LHA 120-N 159 HII 05 39 46.650 -69 45 39.94           ~ 267 2
52 LHA 120-N 160 EmO 05 39 47.9 -69 37 08           ~ 113 1
53 LHA 120-N 172 HII 05 40 12.3 -69 55 01           ~ 13 0
54 LHA 120-N 173 HII 05 40 22.9 -69 53 16           ~ 14 0
55 [GC2009] J054050.85-695001.9 Y*? 05 40 50.814 -69 50 01.98           ~ 4 0
56 LHA 120-N 62 EmO ~ ~           ~ 5 0

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2022.09.27-10:51:47

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