2011A&A...525A.142C


Query : 2011A&A...525A.142C

2011A&A...525A.142C - Astronomy and Astrophysics, volume 525A, 142-142 (2011/1-1)

A search for X-ray sources around WR 22 in the Carina region.

CLAESKENS J.-F., GOSSET E., NAZE Y., RAUW G. and VREUX J.-M.

Abstract (from CDS):

We present the results of a deep search for X-ray sources in a circular field of 30' in diameter situated around WR22 in the Carina region and observed with the XMM-Newton observatory. This field is broadly located to the west of the main part of the Carina nebula. On the basis of six pointings (nominal exposure time: 10ks each) centred on the WR+O binary star WR22, we perform a survey with an effective exposure time of 68.8ks. We introduce a catalogue of 43 bona-fide X-ray point sources, most of which were unknown before the XMM-Newton observations, and perform the first steps towards their identifications by cross-correlating the positions with optical/infrared catalogues. We investigated the possible variability of these sources in the X-ray domain and we extracted a few X-ray spectra for the brightest ones. A short description of the diffuse X-ray emission present in the region is also given.

Abstract Copyright:

Journal keyword(s): X-rays: general - X-rays: stars - HII regions - stars: formation

Simbad objects: 63

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Number of rows : 63
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 1035 3
2 M 42 HII 05 35 17 -05 23.4           ~ 4107 0
3 Ass Car OB 1 As* 10 38 -59.0           ~ 162 0
4 2MASS J10393466-5944150 Y*O 10 39 34.6789251672 -59 44 14.998529220     20.386   17.526 ~ 2 0
5 UCAC2 5553240 * 10 39 47.2969526064 -59 36 32.187296844     13.0 12.95 12.22 ~ 7 0
6 TYC 8613-1941-1 * 10 39 47.5514303736 -59 44 46.318706448   10.91 10.47     ~ 3 0
7 TYC 8613-1023-1 * 10 39 56.2385796672 -59 37 05.437596612   11.94 11.28 17.1 10.59 ~ 3 0
8 HD 92607 EB* 10 40 12.4246763928 -59 48 10.117926324 7.36 9.60 9.00 9.00   O9IVn 47 0
9 2MASS J10401679-5932036 Y*O 10 40 16.7901874008 -59 32 03.593711220     14.720 14.53 13.22 ~ 7 0
10 2MASS J10403037-5947419 NIR 10 40 30.3831893496 -59 47 41.878485672         16.52 ~ 2 0
11 HD 92644 * 10 40 31.7132436240 -59 46 43.894596756 7.98 8.99 8.88 9.52   B0V 35 0
12 UCAC2 5804556 * 10 40 38.8784860104 -59 27 45.056331756       12.45 12.00 ~ 2 0
13 UCAC2 5553674 * 10 40 41.754 -59 32 22.73     14.7 14.4 13.75 ~ 2 0
14 UCAC2 5553673 * 10 40 41.8109203224 -59 37 18.533352144     12.5 12.32 12.06 ~ 2 0
15 2MASS J10404415-5949348 Y*O 10 40 44.1612390792 -59 49 34.792261356     17.565 16.4 14.13 ~ 2 0
16 GSC2 S111303021283 * 10 40 46.3572832776 -59 42 03.204864900     17.5   17.48 ~ 2 0
17 2MASS J10405145-5937196 Y*O 10 40 51.4534184448 -59 37 19.661457072     15.365 14.7 13.95 ~ 6 0
18 XMMU J104053.9-595159 X 10 40 53.9 -59 51 59           ~ 2 0
19 HD 303223 SB* 10 40 54.5944033824 -59 42 20.664983304   10.74 10.34     A0 6 0
20 2MASS J10405499-5938222 Y*O 10 40 55.0004697240 -59 38 22.273351692     17.422 16.8 15.84 ~ 2 0
21 XMMU J104055.4-594241 * 10 40 55.2998240472 -59 42 39.774124008         16.73 ~ 4 0
22 HD 305441 * 10 40 56.5152324792 -59 51 45.217937016   11.17 11.12 11.29 11.08 A 4 0
23 2MASS J10405929-5927252 LP* 10 40 59.2980003384 -59 27 25.268042556     12.7 11.8 10.97 ~ 3 0
24 2MASS J10410734-5940015 Y*O 10 41 07.341 -59 40 01.59           ~ 5 0
25 HD 92740 WR* 10 41 17.5158425712 -59 40 36.895992960 5.68 6.50 6.42 7.38   WN7h+O9III-V 413 0
26 UCAC2 5553949 * 10 41 20.6252843640 -59 35 23.659464588     11.4 11.34 10.94 ~ 7 0
27 GSC2 S111303022722 * 10 41 21.1530581208 -59 39 34.326704736     16.8 16.6 15.68 ~ 2 0
28 UCAC2 5553982 * 10 41 25.5539786280 -59 44 15.753255828     15.6 15.60 14.89 ~ 2 0
29 UCAC3 61-117003 * 10 41 27.0565123176 -59 39 23.431969368     16.4 15.8 15.28 ~ 2 0
30 UCAC3 61-117008 * 10 41 27.4988830512 -59 41 12.983757180     16.2 15.9 15.12 ~ 2 0
31 GSC2 S111303024415 * 10 41 32.9214765312 -59 36 15.419695392     16.5 9.5 16.56 ~ 3 0
32 GSC2 S111303023491 * 10 41 42.2503563288 -59 38 07.498953780     16.6   15.58 ~ 2 0
33 2MASS J10414510-5948259 * 10 41 45.1073263536 -59 48 26.000028144     15.8     ~ 2 0
34 UCAC2 5554192 * 10 41 51.3782884728 -59 43 14.645353188     12.3 12.28 11.80 ~ 2 0
35 HD 92836 * 10 41 54.6064631352 -59 41 09.040914060   10.22 9.26     G8/K0(III) 6 0
36 UCAC3 61-117436 * 10 41 54.9059241696 -59 41 23.420633460     12.7 12.86 11.83 OB? 4 0
37 XMMU J104157.5-593742 X 10 41 57.5 -59 37 42           ~ 2 0
38 XMMU J104202.5-593304 X 10 42 02.5 -59 33 04           ~ 2 0
39 XMMU J104204.5-595014 X 10 42 04.5 -59 50 14           ~ 2 0
40 CD-59 3233 * 10 42 05.0418800208 -59 53 17.501168256   10.38 9.55     ~ 3 0
41 UCAC2 5554295 * 10 42 05.6001407448 -59 36 15.365407968     14.2 14.4 13.45 ~ 2 0
42 2MASS J10421359-5935580 Y*O 10 42 13.5811703232 -59 35 57.898633308     18.204   15.18 ~ 4 0
43 Cl Bochum 10 OpC 10 42 14.2 -59 08 44   6.40 6.2     ~ 82 0
44 2MASS J10421548-5933576 * 10 42 15.4612232376 -59 33 57.602965248         16.63 ~ 6 0
45 UCAC2 5554457 * 10 42 24.9066796344 -59 40 08.534261172     14.1 14.50 13.67 ~ 2 0
46 2MASS J10423263-5936408 Y*O 10 42 32.6373682656 -59 36 40.826654892     16.242 15.5 14.37 ~ 2 0
47 2MASS J10423661-5943543 * 10 42 36.6140440632 -59 43 54.305656032           ~ 4 0
48 UCAC3 61-118149 EB* 10 42 42.9654779232 -59 35 28.612603860     16.2 15.9 14.51 ~ 3 0
49 Cl Trumpler 14 OpC 10 43 56.6 -59 33 11   5.70 5.5     ~ 514 0
50 Cl Collinder 228 OpC 10 44 00 -60 05.2           ~ 207 0
51 HD 93162 WR* 10 44 10.3890266112 -59 43 11.106500520 7.90 8.55 8.80 8.66   O2.5If*/WN6+OB 361 0
52 Cl Collinder 232 OpC 10 44 39.00 -59 33 36.0           ~ 68 0
53 Cl Trumpler 15 OpC 10 44 42.5 -59 22 08           ~ 216 0
54 Cl Trumpler 16 OpC 10 45 00.7 -59 42 00           ~ 490 0
55 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1021 2
56 * eta Car Em* 10 45 03.545808 -59 41 03.95124 6.37 7.03 6.48 6.123 4.41 LBV 2458 0
57 Cl Bochum 11 OpC 10 47 15.2 -60 05 51           ~ 86 0
58 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3665 1
59 NGC 6231 OpC 16 54 10.8 -41 48 43           ~ 542 0
60 WRAY 15-1666 WR* 17 18 52.8750705984 -38 50 03.606746928 13.93 13.27 11.83 11.43   WN7 72 0
61 NGC 6530 OpC 18 04 31 -24 21.5           ~ 420 0
62 NAME Cyg Complex reg 20 32 +45.0           ~ 607 0
63 NAME Carina Region reg ~ ~           ~ 186 0

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