2008ApJ...681.1341W

Query : 2008ApJ...681.1341W

2008ApJ...681.1341W - Astrophys. J., 681, 1341-1355 (2008/July-2)

Infrared dust bubbles: probing the detailed structure and young massive stellar populations of galactic H II regions.

WATSON C., POVICH M.S., CHURCHWELL E.B., BABLER B.L., CHUNEV G., HOARE M., INDEBETOUW R., MEADE M.R., ROBITAILLE T.P. and WHITNEY B.A.

Abstract (from CDS):

We present an analysis of wind-blown, parsec-sized, mid-infrared bubbles and associated star formation using the GLIMPSE IRAC, MIPSGAL MIPS, and MAGPIS VLA surveys. Three bubbles from the Churchwell et al. catalog were selected. The relative distribution of the ionized gas (based on 20 cm emission), PAH emission (based on 8 µm, 5.8 µm, and lack of 4.5 µm emission), and hot dust (24 µm emission) is compared. At the center of each bubble there is a region containing ionized gas and hot dust surrounded by PAHs. We identify the likely source(s) of the stellar wind and ionizing flux producing each bubble based on SED fitting to numerical hot stellar photosphere models. Candidate YSOs are also identified using SED fitting, including several sites of possible triggered star formation.

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - Infrared: ISM - ISM: Bubbles - Radio Continuum: ISM - Stars: Formation

Nomenclature: Table 1: [WPC2008] N10-NN (Nos N10-1 to N10-15), [WPC2008] N21-NN (Nos N21-1 to N21-21), [WPC2008] N49-N (Nos N49-1 to N49-7). Table 2: [WPC2008] IN10-N (Nos IN10-1 to IN10-4), [WPC2008] IN121-N (Nos IN21-1 to IN21-5), [WPC2008] IN49-N (Nos IN49-1 to IN49-5).

Simbad objects: 65

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Number of rows : 65
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Orion Bright Bar reg 05 35 22.30 -05 24 33.0           ~ 1004 0
2 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1198 1
3 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
4 SPICY 77287 Y*? 18 13 55.482 -17 28 38.00           ~ 2 0
5 [WPC2008] N10-4 Y*? 18 13 55.582 -17 28 32.11           ~ 1 0
6 SSTGLMC G013.1931+00.0885 Y*? 18 13 56.614 -17 26 59.75           ~ 2 0
7 SPICY 77349 Y*? 18 14 00.748 -17 28 43.02           ~ 2 0
8 SPICY 77355 Y*? 18 14 01.3723 -17 28 23.354           ~ 5 0
9 UCAC2 25378946 * 18 14 04.7653229472 -17 27 58.771417464           O6.5V 2 0
10 [ABB2014] WISE G013.186+00.042 bub 18 14 06.2 -17 28 31           ~ 26 0
11 SPICY 77388 Y*? 18 14 06.203 -17 26 35.79           ~ 2 0
12 [MCF2015] 12 * 18 14 06.304 -17 28 33.76           O7.5V 3 0
13 SPICY 77390 Y*? 18 14 06.323 -17 29 40.08           ~ 2 0
14 SSTGLMC G013.1777+00.0346 * 18 14 06.6635770392 -17 29 21.365999808           O7V 2 0
15 UCAC2 25378974 * 18 14 07.1007679416 -17 29 21.300961992           O6V 2 0
16 2MASS J18140800-1727083 AB? 18 14 08.007 -17 27 08.33           ~ 4 0
17 SPICY 77407 Y*? 18 14 08.138 -17 29 17.65           ~ 2 0
18 2MASS J18140960-1727219 AB? 18 14 09.609 -17 27 21.96           ~ 5 0
19 SSTGLMC G013.1536+00.0040 AB? 18 14 10.534 -17 31 30.33           ~ 3 0
20 SPICY 77431 Y*? 18 14 11.356 -17 30 42.90           ~ 2 0
21 [WPC2008] N10-5 Y*? 18 14 14.7 -17 30 51           ~ 1 0
22 [WPC2008] N10-13 Y*? 18 14 20.954 -17 28 43.01           ~ 1 0
23 SPICY 77526 Y*? 18 14 21.808 -17 28 14.94           ~ 3 0
24 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1700 0
25 [WPC2008] N21-8 Y*? 18 25 07.811 -13 15 03.65           ~ 1 0
26 2MASS J18250927-1318328 Y*? 18 25 09.2751664512 -13 18 32.630855187           ~ 2 0
27 2MASS J18251328-1318493 Y*? 18 25 13.282 -13 18 49.31           ~ 1 0
28 SPICY 83522 Y*? 18 25 14.136 -13 20 36.01           ~ 2 0
29 2MASS J18251675-1316396 Y*? 18 25 16.753 -13 16 39.69           ~ 3 0
30 SPICY 83547 Y*O 18 25 17.639 -13 12 01.34           ~ 3 0
31 SPICY 83566 Y*? 18 25 19.633 -13 18 26.42           ~ 2 0
32 SPICY 83573 Y*O 18 25 20.573 -13 12 37.72           ~ 3 0
33 2MASS J18252062-1318303 Y*? 18 25 20.622 -13 18 30.31           ~ 1 0
34 2MASS J18252131-1312550 Y*O 18 25 21.317 -13 12 55.03           ~ 3 0
35 SPICY 83583 Y*O 18 25 21.384 -13 12 50.01           ~ 4 0
36 SPICY 83589 Y*O 18 25 21.710 -13 13 35.62           ~ 4 0
37 2MASS J18252201-1314449 Y*O 18 25 22.015 -13 14 44.94           ~ 4 0
38 SPICY 83591 Y*O 18 25 22.031 -13 13 32.38           ~ 3 0
39 2MASS J18252639-1312536 Y*O 18 25 26.3923980816 -13 12 53.794875672           ~ 3 0
40 UCAC2 27153416 * 18 25 27.8309141880 -13 17 11.333814720           O6V 3 0
41 2MASS J18252981-1315512 * 18 25 29.817 -13 15 51.24           O8.5V 1 0
42 [CPA2006] N21 bub 18 25 31 -13 16.5           ~ 18 0
43 UCAC2 27153456 * 18 25 32.2234461216 -13 16 43.911644196           O 3 0
44 UCAC2 27153484 * 18 25 36.2377316736 -13 17 53.466849888           O8V 1 0
45 2MASS J18254206-1316582 Y*? 18 25 42.064 -13 16 58.22           ~ 2 0
46 SPICY 83706 Y*? 18 25 45.337 -13 18 59.45           ~ 2 0
47 SPICY 83708 Y*? 18 25 46.857 -13 20 10.71           ~ 2 0
48 SPICY 83740 Y*? 18 25 52.708 -13 17 47.26           ~ 2 0
49 SPICY 83750 Y*? 18 25 53.582 -13 15 35.10           ~ 3 0
50 SPICY 83754 Y*? 18 25 53.876 -13 15 35.83           ~ 2 0
51 2MASS J18444300-0345592 * 18 44 43.0113758496 -03 45 59.252393088           O5.5V 11 0
52 UCAC2 30572850 * 18 44 43.1430419424 -03 46 17.932294344           B0 1 0
53 [L89b] 28.823-00.226 bub 18 44 44.3 -03 45 34           ~ 80 0
54 2MASS J18444463-0342584 Y*? 18 44 44.636 -03 42 58.43           ~ 1 0
55 2MASS J18444531-0345280 * 18 44 45.314 -03 45 28.03           O5V 1 0
56 2MASS J18444578-0346296 * 18 44 45.7871824776 -03 46 29.665964892           O9 4 0
57 SPICY 90807 Y*O 18 44 46.395 -03 43 41.25           ~ 5 0
58 SPICY 90808 Y*O 18 44 46.502 -03 43 31.71           ~ 5 0
59 SPICY 90814 Y*O 18 44 47.716 -03 45 10.48           ~ 4 0
60 2MASS J18444812-0346260 * 18 44 48.1307808336 -03 46 26.073327972           O7V 10 0
61 SSTGLMC G028.8299-00.2532 Y*O 18 44 50.932 -03 45 56.69           ~ 5 0
62 2MASS J18445129-0345482 Y*? 18 44 51.296 -03 45 48.23           ~ 3 0
63 SPICY 90880 Y*O 18 44 57.059 -03 46 35.82           ~ 3 0
64 NAME Cyg X FIR 33 Y*O 20 38 35.9 +42 37 22           B1.5 423 1
65 [WPC2008] IN21-5 * ~ ~           ~ 1 0

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