2018MNRAS.474..647C

Query : 2018MNRAS.474..647C

2018MNRAS.474..647C - Mon. Not. R. Astron. Soc., 474, 647-661 (2018/February-2)

A multi-wavelength analysis of the diffuse H II region G25.8700+0.1350.

CICHOWOLSKI S., DURONEA N.U., SUAD L.A., REYNOSO E.M. and DORDA R.

Abstract (from CDS):

We present a multi-wavelength investigation of the H II region G25.8700+0.1350, located in the inner part of the Galaxy. In radio continuum emission, the region is seen as a bright arc-shaped structure. An analysis of the H I line suggests that G25.8700+0.1350 lies at a distance of 6.5 kpc. The ionized gas is bordered by a photodissociation region, which is encircled by a molecular structure where four molecular clumps are detected. At infrared wavelengths, the region is also very conspicuous. Given the high level of visual absorption in the region, the exciting stars should be searched for in the infrared band. In this context, we found in the literature one Wolf-Rayet and one red supergiant, which, together with 37 2MASS sources that are candidate O-type stars, could be related to the origin of G25.8700+0.1350. Finally, as expanding H II regions are hypothesized to trigger star formation, we used different infrared point source catalogues to search for young stellar object candidates (cYSOs). A total of 45 cYSOs were identified projected on to the molecular clouds.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: formation - stars: massive - ISM: bubbles - H ii regions - infrared: ISM

Simbad objects: 116

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Number of rows : 116
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 ISOGAL-P J183714.9-061522 Mi* 18 37 14.8918502328 -06 15 22.169747988         16.930 O-rich 7 1
2 2MASS J18372007-0614479 Y*O 18 37 20.07528 -06 14 47.9616           ~ 1 0
3 SSTGLMC G025.7212+00.2476 Y*O 18 37 20.71968 -06 18 00.8100           ~ 1 0
4 WISE J183720.90-061508.8 Y*O 18 37 20.90856 -06 15 08.8452           ~ 1 0
5 2MASS J18372132-0613088 Y*O 18 37 21.32880 -06 13 08.8140           ~ 3 0
6 2MASS J18372137-0613251 Y*O 18 37 21.37176 -06 13 25.1832           ~ 1 0
7 WISE J183721.47-061309.4 Y*O 18 37 21.47232 -06 13 09.4044           ~ 1 0
8 SPICY 88259 Y*O 18 37 22.23360 -06 15 57.2112           ~ 2 0
9 SPICY 88265 Y*O 18 37 22.919 -06 13 11.67           ~ 2 0
10 WISE J183724.93-061448.3 Y*O 18 37 24.93024 -06 14 48.3108           ~ 1 0
11 WISE J183724.95-061516.5 Y*O 18 37 24.95640 -06 15 16.5312           ~ 1 0
12 2MASS J18372501-0614598 Y*O 18 37 25.0062103416 -06 14 59.776291212           ~ 1 0
13 WISE J183725.25-061526.3 Y*O 18 37 25.25232 -06 15 26.3628           ~ 1 0
14 2MASS J18372628-0612077 Y*O 18 37 26.2722019368 -06 12 07.732412604           ~ 1 0
15 WISE J183726.90-061930.5 Y*O 18 37 26.90496 -06 19 30.5544           ~ 1 0
16 2MASS J18372737-0617150 Y*O 18 37 27.3579169656 -06 17 14.841331692           ~ 1 0
17 2MASS J18372794-0611596 Y*O 18 37 27.94872 -06 11 59.6652           ~ 1 0
18 WISE J183728.07-061716.3 Y*O 18 37 28.07544 -06 17 16.3140           ~ 1 0
19 WISE J183728.30-061558.2 Y*O 18 37 28.30368 -06 15 58.2840           ~ 1 0
20 SPICY 88309 Y*O 18 37 29.338 -06 12 24.77           ~ 2 0
21 [ERG2015] 4356 cor 18 37 29.9936 -06 18 06.598           ~ 12 0
22 WISE J183730.09-062033.1 Y*O 18 37 30.09072 -06 20 33.1548           ~ 1 0
23 WISE J183730.24-062045.9 Y*O 18 37 30.24192 -06 20 45.9240           ~ 1 0
24 IRAS 18348-0616 Y*O 18 37 30.420 -06 14 14.49   17.34 16.14 14.80   ~ 41 0
25 2MASS J18373113-0609325 Y*O 18 37 31.13136 -06 09 32.5656           ~ 1 0
26 WISE J183731.24-061827.2 Y*O 18 37 31.24296 -06 18 27.2376           ~ 1 0
27 2MASS J18373132-0614012 Y*O 18 37 31.32768 -06 14 01.2840           ~ 1 0
28 2MASS J18373172-0612247 * 18 37 31.7229055848 -06 12 24.676905708           ~ 1 0
29 2MASS J18373188-0620208 Y*O 18 37 31.88616 -06 20 20.8428           ~ 1 0
30 WISE J183732.02-061406.1 Y*O 18 37 32.02824 -06 14 06.1764           ~ 1 0
31 2MASS J18373205-0621170 Y*O 18 37 32.05680 -06 21 17.0136           ~ 1 0
32 2MASS J18373217-0614258 Y*O 18 37 32.17632 -06 14 25.8324           ~ 1 0
33 2MASS J18373224-0616205 * 18 37 32.2388686320 -06 16 20.380773432           ~ 1 0
34 2MASS J18373239-0613237 Y*O 18 37 32.39784 -06 13 23.7252           ~ 1 0
35 2MASS J18373291-0620183 Y*O 18 37 32.9195659512 -06 20 18.117910104           ~ 2 0
36 2MASS J18373481-0620181 Y*O 18 37 34.8347367936 -06 20 17.506122684           ~ 1 0
37 2MASS J18373488-0616374 * 18 37 34.88448 -06 16 37.4988           ~ 1 0
38 SPICY 88339 Y*O 18 37 34.99344 -06 11 56.0328           ~ 2 0
39 2MASS J18373506-0616423 * 18 37 35.06280 -06 16 42.3984           ~ 1 0
40 2MASS J18373564-0616112 * 18 37 35.64744 -06 16 11.2584           ~ 1 0
41 MSX6C G025.7597+00.1933 Y*O 18 37 36.46416 -06 17 34.8324           ~ 1 0
42 SPICY 88351 Y*O 18 37 36.82392 -06 18 30.9888           ~ 2 0
43 2MASS J18373718-0615341 * 18 37 37.18584 -06 15 34.1136           ~ 1 0
44 2MASS J18373768-0611408 * 18 37 37.6447056504 -06 11 40.812947160           ~ 1 0
45 2MASS J18373826-0609192 Y*O 18 37 38.26848 -06 09 19.2024           ~ 2 0
46 2MASS J18373856-0612053 * 18 37 38.5417477224 -06 12 06.150633768           ~ 1 0
47 2MASS J18373870-0613133 * 18 37 38.7014794025 -06 13 13.244094519           ~ 1 0
48 2MASS J18373896-0619328 * 18 37 38.96568 -06 19 32.8224           ~ 1 0
49 2MASS J18373904-0617427 * 18 37 39.0465386400 -06 17 42.593333316           ~ 1 0
50 2MASS J18373913-0619269 * 18 37 39.1189784040 -06 19 26.742949608           ~ 1 0
51 2MASS J18373971-0617559 * 18 37 39.7059964320 -06 17 55.718922984           ~ 1 0
52 2MASS J18374279-0618120 * 18 37 42.7771330176 -06 18 12.130265628           ~ 1 0
53 2MASS J18374369-0608335 Y*O 18 37 43.6621460112 -06 08 33.163861632           ~ 1 0
54 2MASS J18374373-0614273 * 18 37 43.73736 -06 14 27.3552           ~ 1 0
55 2MASS J18374388-0609002 * 18 37 43.88664 -06 09 00.2340           ~ 1 0
56 SPICY 88392 Y*O 18 37 44.92320 -06 14 54.1428           ~ 2 0
57 2MASS J18374508-0614503 * 18 37 45.0767538048 -06 14 50.382687804           ~ 1 0
58 2MASS J18374551-0614256 * 18 37 45.51456 -06 14 25.6776           ~ 1 0
59 2MASS J18374590-0610389 * 18 37 45.9023562648 -06 10 38.726622516           ~ 1 0
60 2MASS J18374591-0605108 Y*O 18 37 45.91272 -06 05 10.8348           ~ 1 0
61 2MASS J18374618-0614401 * 18 37 46.1806414608 -06 14 40.249623408           ~ 1 0
62 2MASS J18374651-0617334 * 18 37 46.51872 -06 17 33.4968           ~ 1 0
63 2MASS J18374670-0622192 Y*O 18 37 46.6720113048 -06 22 20.014152924           ~ 1 0
64 2MASS J18374674-0622368 Y*O 18 37 46.74552 -06 22 36.8868           ~ 1 0
65 SPICY 88410 Y*O 18 37 47.68992 -06 12 27.0648           ~ 2 0
66 2MASS J18374803-0613255 Y*O 18 37 48.03624 -06 13 25.5468           ~ 1 0
67 SPICY 88448 Y*O 18 37 51.43800 -06 14 44.2248           ~ 2 0
68 WR 118-5 WR* 18 37 51.493 -06 08 41.74           WC9d 3 0
69 2MASS J18375168-0620253 Y*O 18 37 51.68808 -06 20 25.3248           ~ 1 0
70 2MASS J18375222-0618240 Y*O 18 37 52.22400 -06 18 24.0444           ~ 1 0
71 2MASS J18375261-0610212 Y*O 18 37 52.61640 -06 10 21.2052           ~ 3 0
72 2MASS J18375349-0610555 * 18 37 53.5042066608 -06 10 55.430559732           ~ 1 0
73 2MASS J18375398-0617554 * 18 37 53.9807564712 -06 17 54.907210248           ~ 1 0
74 2MASS J18375566-0611531 Y*O 18 37 55.66152 -06 11 53.1636           ~ 2 0
75 SPICY 88492 Y*O 18 37 55.91928 -06 17 52.8936           ~ 2 0
76 SPICY 88501 Y*O 18 37 56.28264 -06 19 49.6200           ~ 3 0
77 SPICY 88508 Y*O 18 37 57.37152 -06 11 33.1512           ~ 2 0
78 StRS 229 LP* 18 37 57.5686548408 -06 20 15.499273812           K6I/III 7 0
79 2MASS J18375763-0618478 * 18 37 57.6307880160 -06 18 47.820044916           ~ 1 0
80 2MASS J18375776-0610547 Y*O 18 37 57.7613841096 -06 10 54.657147108           ~ 1 0
81 RSGC 1 OpC 18 37 58 -06 53.0           ~ 117 0
82 2MASS J18375890-0610528 * 18 37 58.9051682256 -06 10 52.845568824           ~ 1 0
83 2MASS J18375910-0609061 * 18 37 59.0902149288 -06 09 05.900857812           ~ 1 0
84 2MASS J18375918-0620063 Y*O 18 37 59.18256 -06 20 06.3924           ~ 1 0
85 2MASS J18375930-0615498 Y*O 18 37 59.30664 -06 15 49.8024           ~ 1 0
86 2MASS J18380088-0620213 * 18 38 00.88032 -06 20 21.3108           ~ 1 0
87 2MASS J18380121-0617407 * 18 38 01.21800 -06 17 40.7004           ~ 1 0
88 MAGPIS G25.8700+0.1350 bub 18 38 01.37 -06 13 11.1           ~ 6 0
89 [ABJ2009] U25.72+0.05 b MoC 18 38 03 -06 23.5           ~ 4 0
90 [ABJ2009] U25.72+0.05 a MoC 18 38 03 -06 23.5           ~ 4 0
91 2MASS J18380328-0612113 * 18 38 03.2890109496 -06 12 11.357874900           ~ 1 0
92 2MASS J18380355-0618358 * 18 38 03.5527503192 -06 18 36.105736896           ~ 1 0
93 MAGPIS G25.7056+0.0389 HII 18 38 03.77 -06 24 35.7           ~ 1 0
94 2MASS J18380578-0617446 * 18 38 05.78496 -06 17 44.6820           ~ 1 0
95 2MASS J18380591-0607419 Y*O 18 38 05.9135777712 -06 07 41.986312068           ~ 3 0
96 SPICY 88563 Y*O 18 38 06.53064 -06 18 43.2216           ~ 2 0
97 2MASS J18380701-0619512 Y*O 18 38 07.01952 -06 19 51.2184           ~ 3 0
98 2MASS J18380894-0610044 Y*O 18 38 08.94408 -06 10 04.4472           ~ 3 0
99 2MASS J18380952-0617237 * 18 38 09.5352358728 -06 17 23.701956792           ~ 1 0
100 2MASS J18381024-0615147 Y*O 18 38 10.24704 -06 15 14.7420           ~ 1 0
101 SPICY 88595 Y*O 18 38 10.34568 -06 16 54.0264           ~ 2 0
102 WISE J183810.68-060807.5 Y*O 18 38 10.68456 -06 08 07.5516           ~ 1 0
103 SPICY 88598 Y*O 18 38 10.75920 -06 12 25.3980           ~ 3 0
104 2MASS J18381156-0620453 * 18 38 11.5765194288 -06 20 45.227817744           ~ 1 0
105 2MASS J18381205-0612271 Y*O 18 38 12.05112 -06 12 27.1188           ~ 1 0
106 SSTGLMC G025.8564+00.0781 Y*O 18 38 12.07008 -06 15 28.2420           ~ 1 0
107 2MASS J18381209-0609575 * 18 38 12.09648 -06 09 57.5100           ~ 1 0
108 2MASS J18381223-0611186 LP? 18 38 12.2208726264 -06 11 18.489895764           ~ 2 0
109 SPICY 88616 Y*O 18 38 12.81240 -06 13 19.9128           ~ 2 0
110 2MASS J18381429-0614414 * 18 38 14.29872 -06 14 41.4420           ~ 1 0
111 [ABJ2009] D25.94+0.10 MoC 18 38 17 -06 10.5           ~ 4 0
112 2MASS J18381735-0618155 Y*O 18 38 17.35152 -06 18 15.5520           ~ 1 0
113 2MASS J18381995-0613242 * 18 38 19.9530011136 -06 13 24.172626324           ~ 1 0
114 2MASS J18382436-0615561 * 18 38 24.36168 -06 15 56.1960           ~ 1 0
115 2MASS J18382868-0615304 * 18 38 28.6741572912 -06 15 30.174118092           ~ 1 0
116 Cl Stephenson 2 OpC 18 39 20 -06 01.7           ~ 102 0

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