2003ApJ...593..874T

Query : 2003ApJ...593..874T

2003ApJ...593..874T - Astrophys. J., 593, 874-905 (2003/August-3)

10 MK gas in M17 and the Rosette nebula: X-ray flows in galactic H II regions.

TOWNSLEY L.K., FEIGELSON E.D., MONTMERLE T., BROOS P.S., CHU Y.-H. and GARMIRE G.P.

Abstract (from CDS):

We present the first high spatial resolution X-ray images of two high-mass star forming regions, the Omega Nebula (M17) and the Rosette Nebula (NGC 2237-2246), obtained with the Chandra X-Ray Observatory Advanced CCD Imaging Spectrometer instrument. The massive clusters powering these H II regions are resolved at the arcsecond level into more than 900 (M17) and 300 (Rosette) stellar sources similar to those seen in closer young stellar clusters. However, we also detect soft diffuse X-ray emission on parsec scales that is spatially and spectrally distinct from the point-source population. The diffuse emission has luminosity LX≃3.4x1033 ergs.s–1 in M17 with plasma energy components at kT≃0.13 and ≃0.6 keV (1.5 and 7 MK), while in Rosette it has LX≃6x1032 ergs.s–1 with plasma energy components at kT≃0.06 and ≃0.8 keV (0.7 and 9 MK). This extended emission most likely arises from the fast O star winds thermalized either by wind-wind collisions or by a termination shock against the surrounding media. We establish that only a small portion of the wind energy and mass appears in the observed diffuse X-ray plasma; in these blister H II regions, we suspect that most of it flows without cooling into the low-density interstellar medium. These data provide compelling observational evidence that strong wind shocks are present in H II regions.

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 2244 - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 6618 - Stars: Early-Type - Stars: Pre-Main-Sequence - X-Rays: Stars

CDS comments: In the tables cross-ids OI NNN are used when < 703 (= NGC 6618 NNN). Table 6 : * are [MJD95]

Simbad objects: 130

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Number of rows : 130
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 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
2 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 1064 3
3 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
4 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
5 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 1249 2
6 * tet01 Ori C SB* 05 35 16.4662967280 -05 23 22.921811880 4.20 5.15 5.13 4.91 4.73 O7Vp 1479 1
7 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1708 1
8 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
9 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
10 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1276 2
11 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
12 HD 258691 * 06 30 33.3084227300 +04 41 27.532107066 9.78 10.27 9.70     O9.5V 36 0
13 NGC 2237 Cl* 06 30 36.10 +04 58 50.6           ~ 75 2
14 NGC 2246 GNe 06 30 39.54 +04 59 07.1           ~ 24 1
15 HD 46056 Y*O 06 31 20.8608343776 +04 50 03.842554740 7.60 8.36 8.16 8.16 8.09 O8Vn 242 0
16 LS VI +04 6 Y*O 06 31 31.4668427136 +04 50 59.708565132 10.31 10.68 10.81 10.87 10.40 B2.5V 38 0
17 HD 259012A Y*O 06 31 33.465 +04 50 39.75 8.89 9.399 9.270 9.43 9.10 B1Vn 43 0
18 HD 259012 ** 06 31 33.4677 +04 50 39.699 8.94 9.59 9.38     B1Vn+B4/A1Ve 53 0
19 ALS 15335 * 06 31 37.0790662416 +04 45 53.589249468 16.15 16.13 15.15     B0.5V 9 0
20 HD 46106 Y*O 06 31 38.3968383096 +05 01 36.396422796 7.33 8.08 7.93 7.76 7.66 O9.7III(n) 167 0
21 NAME Rosette OB Association As* 06 31.7 +04 58           ~ 148 0
22 NGC 2244 130 Y*O 06 31 47.8870586546 +04 54 18.150241967 11.48 11.925 11.662     B2.5V 25 0
23 HD 259105 Y*O 06 31 52.0018444848 +04 55 57.252934128 8.88 9.57 9.38     B1V 71 0
24 HD 46149 Y*O 06 31 52.5319291296 +05 01 59.178678024 7.03 7.80 7.61 7.54 7.36 O8.5V 288 0
25 HD 46150 Y*O 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 413 0
26 NGC 2244 190 Y*O 06 31 58.9128323712 +04 56 16.248666912 11.04 11.527 11.21     B2.5Vn 27 0
27 LS VI +04 10 Y*O 06 31 58.9383256579 +04 55 39.681933537 10.03 10.77 10.73 10.31 10.07 B1.5V 39 0
28 V* V578 Mon Y*O 06 32 00.6076651296 +04 52 40.886334120 8.01 8.72 8.55 8.09 8.28 B0V+B1V 127 0
29 HD 259172 * 06 32 02.5848405574 +05 05 08.709166201 10.34 10.90 10.68     B2V 46 0
30 LS VI +04 12 Y*O 06 32 06.1360004063 +04 52 15.352618809 9.21 9.84 9.71     B1III 65 0
31 NGC 2244 OpC 06 32 06.9 +04 54 19           ~ 673 1
32 HD 46223 Y*O 06 32 09.3068103600 +04 49 24.705695568 6.73 7.50 7.28 6.95 6.79 O4V((f)) 406 0
33 LS VI +05 8 Y*? 06 32 09.8340224784 +05 02 13.393582743 11.1 10.91 10.41     B2.5V 35 0
34 HD 46202 bC* 06 32 10.4706981304 +04 57 59.764912343 7.60 8.332 8.269 7.98 7.86 O9.2V 300 0
35 NGC 2244 194 Y*O 06 32 15.4828528224 +04 55 20.392268772 12.791 12.322 12.006 11.50 11.53 B6Vne 31 0
36 HD 259238 Y*O 06 32 18.2177777136 +05 03 21.712760568 11.09 11.34 11.06 10.52 10.68 B0V 28 0
37 Cl* NGC 2244 PS 383 * 06 32 22.4937510504 +04 55 34.156061508 15.59   15.39     B3V 8 0
38 HD 259268 * 06 32 23.0467298904 +05 02 45.626891532 11.12 11.35 11.07     B8V 26 0
39 LS VI +04 14 Y*? 06 32 24.2329922066 +04 47 03.762075593 11.22 11.71 11.43     B2.5V 30 0
40 NAME Rosette Nebula HII 06 32 26.76 +04 47 37.1           ~ 522 1
41 HD 259300 Y*O 06 32 29.3911958568 +04 56 56.096456676 11.546 11.08 10.76 10.33 10.34 B3Vp 44 0
42 NGC 2244 334 Y*O 06 32 51.7919732079 +04 47 16.160568228 13.17 13.38 12.95 12.46 12.34 B5V 48 0
43 NGC 2244 345 Y*O 06 33 06.5688668076 +05 06 03.427796689   13.47 12.85     B2 16 0
44 ALS 15339 * 06 33 10.1569653048 +04 59 49.975042056 15.62 15.76 14.98     B3V 8 0
45 EM* GGA 399 Ae* 06 33 37.4969183724 +04 48 47.018949782 12.72 12.05 12.46     B0.5V 27 0
46 LS VI +05 12 EB* 06 33 50.5598811767 +05 01 37.602856377 11.22 11.55 11.12     B2.5V 28 0
47 HD 46485 Y*O 06 33 50.9566745256 +04 31 31.613196504 7.92 8.60 8.27   8.10 O7V((f))nzvar? 162 0
48 HD 46484 bC? 06 33 54.4094005920 +04 39 44.607146400 7.49 8.10 7.74     B2Ib 79 0
49 RAFGL 961 Y*O 06 34 37.74144 +04 12 44.1972           O-rich 242 1
50 NAME Rosette Molecular Cloud MoC 06 34.7 +04 02           ~ 277 0
51 NAME Mon I MoC 06 35 +10.1           ~ 268 0
52 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 264 0
53 RCW 38 SFR 08 59 05.50 -47 30 39.4           ~ 327 2
54 [FP74] RCW 38 IRS 2 Y*O 08 59 05.6555109888 -47 30 40.941723780       14.05 11.20 O5.5V 29 1
55 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
56 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1071 2
57 NGC 3603 OpC 11 14 57.9 -61 14 32           ~ 1136 1
58 NAME LHB X 16 42.0 +02 19           ~ 414 0
59 NGC 6334 HII 17 20 53 -36 07.9           ~ 740 0
60 NAME Arches Cluster Cl* 17 45 50.5 -28 49 28           ~ 792 0
61 NAME Sgr B2 (North) Rad 17 47 20.2 -28 22 21           ~ 742 1
62 M 20 OpC 18 02 42 -22 58.3           ~ 456 1
63 NGC 6523 Cl* 18 03.2 -24 23           ~ 187 1
64 M 8 OpC 18 03 37 -24 23.2           ~ 644 1
65 NAME Her 36SE Y*O 18 03 40.3201232304 -24 22 42.857540472 10.26 11.022 10.372 10.267   O8V+ 210 0
66 NAME Hourglass Nebula ISM 18 03 41.1 -24 22 37           ~ 79 2
67 * 9 Sgr Y*O 18 03 52.4450051016 -24 21 38.632254012 5.08 5.97 5.97 5.72 5.70 O4V((f))z 563 0
68 NGC 6530 OpC 18 04 31 -24 21.5           ~ 443 0
69 HD 165052 SB* 18 05 10.5506592816 -24 23 54.847798080 6.16 6.98 6.87 7.77   O6.5V((f))z 282 1
70 BD-13 4923 Y*O 18 18 32.7310836576 -13 45 11.867150808 11.184 10.85 10.08 10.04 8.529 O4V((f+))+O7.5V 60 0
71 HD 168076 Y*O 18 18 36.4205083536 -13 48 02.420915796 8.12 8.72 8.25 7.62 7.21 O4III(f) 209 0
72 M 16 OpC 18 18 45.1 -13 47 31           ~ 1084 1
73 MSX5C G014.9957-00.6735 MIR 18 20 19.7 -16 13 31           ~ 37 2
74 2MASS J18202133-1611403 Y*O 18 20 21.3311698344 -16 11 40.305762528   16.02 14.96     B3V 13 0
75 Cl* NGC 6618 B 358 * 18 20 21.3564651432 -16 09 59.556267072           O8V 12 0
76 Cl* NGC 6618 B 333 Y*O 18 20 21.4246128504 -16 09 39.144412260           B3V 10 0
77 Cl* NGC 6618 B 337 * 18 20 21.43 -16 10 41.2           B 18 0
78 Cl* NGC 6618 B 331 * 18 20 21.6385852800 -16 11 17.906098776           B0V 24 0
79 Cl* NGC 6618 B 324 * 18 20 22.0608791112 -16 09 19.050872904           B2V 9 0
80 Cl* NGC 6618 CEN 58 * 18 20 22.45 -16 10 17.3     15.80     B3V 4 0
81 NGC 6618 258 Y*O 18 20 22.6995127512 -16 08 34.169829720 15.03 14.99 13.69     O9.5V 40 0
82 2MASS J18202284-1608148 Y*O 18 20 22.8458103456 -16 08 14.845421544           B3 6 0
83 Cl* NGC 6618 B 305 LP? 18 20 22.9213887249 -16 07 58.801585060           O5V 11 0
84 NAME M 17 SW SFR 18 20 23.1 -16 11 43           ~ 281 0
85 Cl* NGC 6618 B 299 * 18 20 23.76 -16 10 35.8           B3 4 0
86 2MASS J18202439-1608434 Y*O 18 20 24.3865813896 -16 08 43.368235944 17.69 16.97 15.55     O9.5V 34 0
87 [CW98] IRS 5 IR 18 20 24.6 -16 11 40           ~ 19 1
88 2MASS J18202461-1611086 Y*O 18 20 24.6168347568 -16 11 08.567956392           B3 5 0
89 NAME M 17 UC1 HII 18 20 24.82 -16 11 34.9           ~ 57 1
90 Cl* NGC 6618 B 275 * 18 20 25.17 -16 10 26.7     15.6     B7III 29 0
91 Cl* NGC 6618 B 268 * 18 20 25.41 -16 10 19.2   18.4 17.1     B9III 25 0
92 Cl* NGC 6618 B 269 Y*O 18 20 25.4443513416 -16 11 15.410252652   18.0 15.9     B1V 11 0
93 2MASS J18202550-1610537 Y*O 18 20 25.500 -16 10 53.77           B3 6 0
94 Cl* NGC 6618 CEN 82 * 18 20 25.56 -16 10 55.1           B3 2 0
95 Cl* NGC 6618 B 266 * 18 20 25.5857112768 -16 08 58.994359476           B1 6 0
96 NGC 6618 326 Y*O 18 20 25.8639501480 -16 08 32.406597600 16.39 15.87 14.20     O7:V(n) 39 0
97 NGC 6618 340 * 18 20 25.9 -16 10 54   15.57 14.53     B3V 9 0
98 Cl* NGC 6618 B 253 Y*O 18 20 26.0374964424 -16 11 04.500594276   17.11 15.74     B3-B5III 20 0
99 Cl* NGC 6618 B 248 * 18 20 26.1 -16 10 15   16.90 15.44     B3 9 0
100 Cl* NGC 6618 CEN 50 * 18 20 26.35 -16 10 19.0           B3 1 0
101 2MASS J18202662-1608229 Y*O 18 20 26.6297781360 -16 08 22.879491864           B3 6 0
102 Cl* NGC 6618 B 243 * 18 20 26.70 -16 10 03.7   19.1 17.8     B9III 18 0
103 2MASS J18202678-1610582 Y*O 18 20 26.7889931400 -16 10 58.085396760           ~ 6 0
104 2MASS J18202742-1613309 Y*O 18 20 27.4206604920 -16 13 30.969103332   12.45 11.28 10.6   O6.5V((f))z 32 0
105 Cl* NGC 6618 B 230 * 18 20 27.7538046144 -16 11 01.872856752   19.0 17.6     ~ 8 0
106 Cl* NGC 6618 B 227 * 18 20 28.07 -16 11 09.3           ~ 8 0
107 2MASS J18202815-1610493 Y*O 18 20 28.1489070120 -16 10 49.273623840           ~ 6 0
108 Cl* NGC 6618 B 220 * 18 20 28.32 -16 09 58.5   18.2 16.8     ~ 7 0
109 2MASS J18202887-1611101 Y*O 18 20 28.8670015944 -16 11 10.064564700           B1 6 0
110 2MASS J18202887-1610421 Y*O 18 20 28.8700466304 -16 10 42.081333744           ~ 7 0
111 2MASS J18202916-1609430 Y*O 18 20 29.1651116592 -16 09 42.996914064           B1 8 0
112 Cl* NGC 6618 CEN 96 * 18 20 29.3 -16 09 39           ~ 6 0
113 Cl* NGC 6618 B 190 * 18 20 29.7474226944 -16 10 11.021000376           ~ 6 0
114 Cl* NGC 6618 B 197 * 18 20 29.7833582352 -16 11 37.337489772   19.7 17.9     B3V 9 0
115 NGC 6618 341 ** 18 20 29.86200 -16 10 44.9328 17.04 16.566 13.922 13.026   O4+O4 63 0
116 2MASS J18203022-1610349 Y*O 18 20 30.230 -16 10 34.95   19.4 17.4     ~ 21 0
117 2MASS J18203044-1610530 Y*O 18 20 30.4417713240 -16 10 53.061367908           ~ 23 0
118 Cl* NGC 6618 CEN 44 * 18 20 30.4714317936 -16 10 06.313114344   16.89 15.28     ~ 6 0
119 2MASS J18203083-1610075 Y*O 18 20 30.8347326504 -16 10 07.525548156 17.44 16.85 15.41     O6V 30 0
120 Cl* NGC 6618 B 159 Y*O 18 20 31.1122691016 -16 09 29.833437852           ~ 11 0
121 Cl* NGC 6618 B 152 Y*O 18 20 31.700 -16 09 45.85           ~ 8 0
122 Cl* NGC 6618 B 150 Y*O 18 20 31.8402135936 -16 11 38.280543036   16.58 15.56     ~ 16 0
123 2MASS J18203306-1611215 Y*O 18 20 33.061 -16 11 21.56           ~ 22 0
124 NGC 6618 337 Y*O 18 20 34.4905832784 -16 10 11.837880948 12.27 12.40 11.29     O4V(n)((fc)) 44 0
125 BD-16 4818 Y*O 18 20 35.3856109704 -16 10 48.509924232 10.62 10.67 10.03 10.02   O8.5V 51 0
126 NGC 6618 414 Y*O 18 20 35.6172680304 -16 10 55.494159168   14.00 13.22     ~ 14 0
127 NAME M 17 North MoC 18 20 40.19 -16 09 29.0           ~ 50 0
128 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1700 0
129 W 51 SNR 19 23 50 +14 06.0           ~ 1352 1
130 Cl* NGC 6618 CEN 81 * ~ ~           B3 1 0

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