2012AJ....143...43F


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.15CEST11:18:36

2012AJ....143...43F - Astron. J., 143, 43 (2012/February-0)

Unveiling the new generation of stars in NGC 604 with Gemini-NIRI.

FARINA C., BOSCH G.L. and BARBA R.H.

Abstract (from CDS):

We present a near-infrared study focused on the detection and characterization of the youngest stellar component of the NGC 604 giant star-forming region in the Triangulum galaxy (M 33). By means of color-color diagrams derived from the photometry of JHKs images taken with the Gemini Near Infrared Imaging and Spectrometer (NIRI), we have found 68 candidate massive young stellar objects. The spatial distribution of these sources matches the areas where previous studies suggested that star formation might be taking place, and the high spatial resolution of our deep NIRI imaging allows us to pinpoint the star-forming knots. An analysis of the fraction of objects that show infrared excess suggests that the star formation is still active, supporting the presence of a second generation of stars being born, although the evidence for or against sequential star formation does not seem to be conclusive.

Abstract Copyright:

Journal keyword(s): galaxies: starburst - galaxies: star clusters: individual: NGC 604 - H II regions - infrared: stars - stars: formation

VizieR on-line data: <Available at CDS (J/AJ/143/43): table2.dat>

Nomenclature: Table 2: [FBB2012] NNNN N=3627 among (Nos 53-4427). Paragr. 3.2: [FBB2012] DDD.ddddd+DD.ddddd N=2. Fig. 10, Table 4: [FBB2012] X N=1.

Status at CDS:   All or part of tables of objects could be ingested in SIMBAD with priority 2.

CDS comments: Caption Figure 9 : NGC 2024 IRS 4 & S106 IRS24 do not exist, misprint for NGC 2024 IRS2 & S106 IRS4 (text p.6). WR NNa are DMS NGC 604 NNa ; knots A to F are [CG99b] NGC 604 A in Simbad.

Simbad objects: 50

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Number of rows : 50

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 DMS NGC 604 2b WR* 01 33 33.72 +30 41 34.0           O4Ia 6 0
2 DMS NGC 604 2a WR* 01 33 33.76 +30 41 34.0           O4Iab 6 0
3 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5135 1
4 [CG99b] NGC 604 F Rad 01 34 31.70 +30 47 17.4           ~ 5 0
5 [CG99b] NGC 604 D Rad 01 34 31.92 +30 47 01.2           ~ 5 0
6 NGC 604 HII 01 34 32.1 +30 47 01           ~ 544 0
7 [FBB2012] 4096 WR* 01 34 32.11 +30 47 05.8   18.5 18.16     WN6 6 0
8 [FBB2012] 1244 WR* 01 34 32.24 +30 47 02.7     17.27     Of/WNL 5 0
9 [CG99b] NGC 604 C Rad 01 34 32.33 +30 46 58.0           ~ 6 0
10 [BMS2003] 938 * 01 34 32.3957 +30 46 57.431           O6III:: 1 0
11 [BMS2003] 899A * 01 34 32.3986 +30 46 58.427           O7II 3 0
12 [BMS2003] 951 * 01 34 32.4181 +30 46 57.083           O8V 1 0
13 [FBB2012] 3791 WR* 01 34 32.45 +30 46 59.1 15.133 16.263 16.435 16.500 16.678 WCE 16 0
14 [BMS2003] 675 * 01 34 32.4630 +30 47 03.894           O7II 3 0
15 [FBB2012] 4075 WR* 01 34 32.50 +30 47 03.5   18.1 17.86     WN10 7 0
16 DMS NGC 604 2 WR* 01 34 32.50 +30 47 00.3   16.29 16.29     WN 5 0
17 [BMS2003] 602B * 01 34 32.5413 +30 47 05.395           O9II 3 0
18 [DMS93] NGC 604 164 * 01 34 32.55 +30 47 04.4           O5III 3 0
19 [BMS2003] 690B WR* 01 34 32.55 +30 47 04.4           BOIb 5 0
20 [FBB2012] X PoG 01 34 32.564 +30 47 06.76           ~ 1 0
21 [FBB2012] 23.63578+30.78483 * 01 34 32.59 +30 47 05.4           ~ 1 0
22 [BMS2003] 564 * 01 34 32.6384 +30 47 06.110           O9II 1 0
23 DMS NGC 604 4a WR* 01 34 32.65 +30 47 07.1           O9II 3 0
24 [DMS93] NGC 604 200 * 01 34 32.65 +30 47 07.1           O9Ia 3 0
25 DMS NGC 604 4 WR* 01 34 32.65 +30 47 07.1   16.12 15.97     WN 7 0
26 DMS NGC 604 4b WR* 01 34 32.65 +30 47 07.1           O9II 3 0
27 [FBB2012] 1327 * 01 34 32.6617 +30 47 06.786           O7V: 1 0
28 [NM2011] J013432.68+304655.4 s*b 01 34 32.68 +30 46 55.4   18.5       OIf 6 0
29 DMS NGC 604 3 WR* 01 34 32.69 +30 47 05.4   16.61 16.66     WN 8 0
30 [BMS2003] 530C * 01 34 32.7 +30 47 06           ~ 1 0
31 [BMS2003] 530A * 01 34 32.7 +30 47 06           ~ 1 0
32 [DMS93] NGC 604 217 * 01 34 32.7 +30 47 07           ~ 3 0
33 [DMS93] NGC 604 212 * 01 34 32.7 +30 47 07           ~ 3 0
34 [DMS93] NGC 604 216 * 01 34 32.7 +30 47 07           O7V 3 0
35 [BMS2003] 238 * 01 34 32.7147 +30 47 14.194           O9III: 1 0
36 [BMS2003] 117 * 01 34 32.7535 +30 47 17.162           O4II 1 0
37 [FBB2012] 1257 WR* 01 34 32.78 +30 47 03.5   19.0 19.13     WC6 6 0
38 [LBW2010] 124 SNR 01 34 33.01 +30 46 38.8           ~ 22 0
39 [CG99b] NGC 604 A Rad 01 34 33.41 +30 46 57.3           ~ 7 0
40 [CG99b] NGC 604 B Rad 01 34 33.44 +30 46 50.3           ~ 6 0
41 [CM81] 13 WR* 01 34 33.62 +30 47 04.6 16.680 17.492 16.834 17.336 17.506 WN8 16 0
42 [FBB2012] 23.64050+30.78196 * 01 34 33.72 +30 46 55.1           ~ 1 0
43 [NM2011] J013433.82+304656.3 WR* 01 34 33.82 +30 46 56.3   20.1 19.54     WC4 6 0
44 DMS NGC 604 11 WR* 01 34 34.07 +30 46 54.3   20.7 21.52     WNE 5 0
45 DMS NGC 604 13 WR* 01 34 35.15 +30 47 05.8           O6.5Iaf 3 0
46 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1039 2
47 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1071 1
48 [BCB89] IRS 2 * 05 41 45.81 -01 54 29.8           B 93 0
49 NAME SH 2-106 IR Y*O 20 27 26.502 +37 22 42.03           ~ 157 1
50 NAME Local Group GrG ~ ~           ~ 6973 0

    Equat.    Gal    SGal    Ecl

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2020.07.15-11:18:36

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