2012AJ....143..149S

Query : 2012AJ....143..149S

2012AJ....143..149S - Astron. J., 143, 149 (2012/June-0)

A near-infrared survey of the inner Galactic plane for Wolf-Rayet stars. II. Going fainter: 71 more new W-R stars.

SHARA M.M., FAHERTY J.K., ZUREK D., MOFFAT A.F.J., GERKE J., DOYON R., ARTIGAU E. and DRISSEN L.

Abstract (from CDS):

We are continuing a J, K and narrowband imaging survey of 300 deg2 of the plane of the Galaxy, searching for new Wolf-Rayet (W-R) stars. Our survey spans 150° in Galactic longitude and reaches 1° above and below the Galactic plane. The survey has a useful limiting magnitude of K = 15 over most of the observed Galactic plane, and K = 14 (due to severe crowding) within a few degrees of the Galactic center. Thousands of emission-line candidates have been detected. In spectrographic follow-ups of 146 relatively bright W-R star candidates, we have re-examined 11 previously known WC and WN stars and discovered 71 new W-R stars, 17 of type WN and 54 of type WC. Our latest image analysis pipeline now picks out W-R stars with a 57% success rate. Star subtype assignments have been confirmed with the K-band spectra and distances approximated using the method of spectroscopic parallax. Some of the new W-R stars are among the most distant known in our Galaxy. The distribution of these new W-R stars is beginning to trace the locations of massive stars along the distant spiral arms of the Milky Way.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: disk - Galaxy: stellar content - infrared: stars - stars: emission-line, Be - stars: Wolf-Rayet - surveys

VizieR on-line data: <Available at CDS (J/AJ/143/149): table1.dat table2.dat table3.dat table4.dat table5.dat table6.dat table7.dat table8.dat>

Nomenclature: Tables 1-8: [SFZ2012] FFFF-NNNAA N=12+71.

Simbad objects: 105

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Number of rows : 105
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 [SFZ2012] 1023-63L WR* 15 52 09.1851957744 -54 17 15.147157200           WC7 2 0
6 WR 70-11 WR* 16 00 25.2627249696 -52 03 29.570492808           WN8 3 0
7 WR 70-12 WR* 16 00 26.4262473288 -52 11 09.986198280       19.70   WC7 6 0
8 WR 72-3 WR* 16 10 06.251 -50 47 58.56           WC9 3 0
9 WR 72-4 WR* 16 10 06.660 -51 47 24.65           WC7 4 0
10 2MASS J16143723-5126263 WR* 16 14 37.237 -51 26 26.33           WC8 4 0
11 2MASS J16242269-4900424 WR* 16 24 22.69440 -49 00 42.4332           WC6 2 0
12 WR 75-1 WR* 16 24 58.8772988856 -48 56 52.406554920           WC8 4 0
13 2MASS J16274239-4830341 WR* 16 27 42.391 -48 30 34.13           WC8-9 2 0
14 WR 75-15 WR* 16 28 40.260 -48 18 12.95           WC8 3 0
15 WR 75-16 WR* 16 29 35.838 -48 19 34.20           WC8 3 0
16 2MASS J16312923-4756164 WR* 16 31 29.234 -47 56 16.40           WC8 3 0
17 2MASS J16314906-4756044 WR* 16 31 49.062 -47 56 04.47           WC8 3 0
18 2MASS J16321522-4756127 WR* 16 32 15.223 -47 56 12.71           WC8 2 0
19 2MASS J16324808-4744493 WR* 16 32 48.1256967720 -47 44 49.652854944     17.74     WN9 2 1
20 2E 3714 WR* 16 32 48.511 -47 45 06.27           Ofpe/WN9 7 0
21 2MASS J16324979-4744314 WR* 16 32 49.794 -47 44 31.41           WC7 2 0
22 2MASS J16331406-4817374 WR* 16 33 14.064 -48 17 37.44           WC8 1 0
23 WR 75-9 WR* 16 33 45.438 -47 51 29.08           WC8-9d? 3 0
24 WR 75-21 WR* 16 33 48.1308636720 -47 52 52.746803832           WC7 3 0
25 2MASS J16345746-4704129 WR* 16 34 57.46728 -47 04 12.9468           WN6 3 0
26 WR 75-5 WR* 16 35 23.317 -48 09 18.09           WC8 5 0
27 2MASS J16354434-4719422 WR* 16 35 44.347 -47 19 42.28           WC9 1 0
28 2MASS J16355116-4719515 WR* 16 35 51.169 -47 19 51.54           WC8 2 0
29 WR 75-23 WR* 16 37 23.9879881200 -46 26 28.714095708   17.78 15.29 13.31   WC9 3 0
30 2MASS J16382019-4623435 WR* 16 38 20.197 -46 23 43.57           WC8 2 0
31 WR 76-10 WR* 16 40 17.113 -46 20 09.88           WC7 4 0
32 WR 77-5 WR* 16 43 40.3708985208 -45 57 57.595052664   18.20 16.73 14.59   WN6 4 0
33 WR 77-6 WR* 16 51 19.3354605192 -43 26 55.223192184           WN6 2 0
34 2MASS J16512970-4353355 WR* 16 51 29.702 -43 53 35.52           WC9 1 0
35 2MASS J17093265-4129474 WR* 17 09 32.657 -41 29 47.44           WC7 2 0
36 WR 83-1 WR* 17 11 00.8123088168 -39 49 31.345711788           WC6 2 0
37 2MASS J17112850-3913168 WR* 17 11 28.502 -39 13 16.88           WC8 4 0
38 [SFZ2012] 1181-81L WR* 17 11 36.1280583336 -39 11 08.054288772           WC8 3 0
39 WR 84-4 WR* 17 11 46.1345064336 -39 20 27.769307028   20.75 17.70 16.33   WN7 4 0
40 [SFZ2012] 1189-110L WR* 17 14 09.5548606632 -38 11 20.954987340           WC9 2 0
41 WR 91-1 WR* 17 22 40.741 -35 04 52.95           WC8 3 0
42 2MASS J17333321-3236165 WR* 17 33 33.218 -32 36 16.57           WC9 2 0
43 [SFZ2012] 1269-166L WR* 17 41 13.5147301056 -30 03 41.006696544           WC8 2 0
44 2MASS J17440690-3001132 WR* 17 44 06.902 -30 01 13.22           WN8 1 0
45 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
46 WR 102-19 WR* 17 55 20.2084446384 -24 07 38.354279340   19.93   16.80   WN5 2 0
47 WR 102-20 WR* 17 59 02.8462958448 -24 20 50.647878528           WC9 2 0
48 WR 102-21 WR* 17 59 48.2246183760 -22 14 52.194332436       17.71   WN6 2 0
49 HD 313846 WR* 18 05 25.7344895280 -23 00 20.334949992 10.48 10.69 9.89 9.89   WN9h+OB 143 0
50 HD 165763 WR* 18 08 28.4692108104 -21 15 11.183076540 7.16 7.54 7.82 8.55   WC6 286 0
51 2MASS J18125757-1801243 WR* 18 12 57.580 -18 01 24.36           WC9 1 0
52 WR 111-3 WR* 18 13 42.4747192968 -17 28 12.241360344       20.02   WC8 4 0
53 2MASS J18160236-1653593 WR* 18 16 02.363 -16 53 59.37           WC8 2 0
54 WR 113-2 WR* 18 23 03.428 -13 10 00.40   15.23 14.49 14.41   WC5-6 4 0
55 WR 114-2 WR* 18 23 32.3244429072 -12 03 58.582053180           WC8 2 0
56 WR 115-1 WR* 18 25 53.0883243864 -13 28 32.300804892   16.07 15.13     WN6o 5 0
57 WR 115-2 WR* 18 25 53.617 -12 50 03.19   20.65   17.43   WN8 3 0
58 WR 118-4 WR* 18 33 47.6338742592 -09 23 07.803860388           WC8 6 0
59 2MASS J18354765-0717500 WR* 18 35 47.658 -07 17 50.07           WC9 2 0
60 2MASS J18380047-0626462 WR* 18 38 00.479 -06 26 46.23           WC9 2 0
61 WR 118-6 WR* 18 38 27.2070871416 -07 10 45.177175056           WN7 4 0
62 2MASS J18383893-0600160 WR* 18 38 38.931 -06 00 16.01           WC9 1 0
63 WR 119-2 WR* 18 39 34.581 -05 44 23.08   18.36   16.96   WC8 4 0
64 [SFZ2012] 1487-212L WR* 18 39 42.5345715768 -06 41 46.183106472           WN7 1 0
65 MR 89 WR* 18 41 00.8670061488 -04 26 14.484137676 13.1 12.97 11.93 11.67   WN7 74 2
66 WR 120-11 WR* 18 41 23.348 -05 40 58.39   17.97 17.39 16.16   WC8 4 0
67 WR 120-7 WR* 18 41 34.0756315488 -05 04 01.279246836   19.18   15.71   WN7 7 0
68 2MASS J18414845-0400129 WR* 18 41 48.459 -04 00 12.93           WC7 2 0
69 2MASS J18431746-0320250 WR* 18 43 17.464 -03 20 25.02           WC7 3 0
70 2MASS J18433964-0229361 WR* 18 43 39.647 -02 29 36.17           WC9 2 0
71 WR 120-10 WR* 18 43 58.0358615856 -02 45 17.269177104   17.96 16.25 14.30   WN7 7 0
72 EM* AS 320 WR* 18 44 13.1526105048 -03 47 57.775268904 13.7 13.340 13.983     WC9d 121 0
73 2MASS J18473833-0206389 WR* 18 47 38.330 -02 06 38.91           WC8 3 0
74 WR 121-4 WR* 18 49 32.305 -02 24 27.08           WC7 3 0
75 WR 121-6 WR* 18 51 10.7653414224 -01 30 03.449802384   17.26 15.51 14.58   WN5 2 0
76 2MASS J18523296+0014269 WR* 18 52 32.961 +00 14 26.95           WC8 1 0
77 2MASS J18554442+0136440 WR* 18 55 44.426 +01 36 44.08           WC8 2 0
78 2MASS J18560203+0136329 WR* 18 56 02.031 +01 36 32.96           WC7 2 0
79 2MASS J18560791+0220490 WR* 18 56 07.915 +02 20 49.01           WC7 3 0
80 2MASS J19005999+0355357 WR* 19 00 59.996 +03 55 35.71           WC7 1 0
81 2MASS J19012661+0351553 WR* 19 01 26.614 +03 51 55.34           WC8 2 0
82 2MASS J19012711+0351542 WR* 19 01 27.1177786776 +03 51 53.504360568           WC8 2 0
83 HD 177230 WR* 19 03 59.0233422072 -04 19 01.910240688 11.32 11.60 11.12     WN8 177 0
84 [SFZ2012] 1603-75L WR* 19 04 33.1610081880 +06 05 28.500909936           WC8 2 0
85 [SMG2009] 1613-21 WR* 19 06 36.5447371320 +07 29 52.381603644           WCE 2 0
86 [SFZ2012] 1650-96L WR* 19 13 23.7290574408 +11 43 26.989540032           WN6 1 0
87 WR 124-3 WR* 19 16 18.3850670280 +12 46 49.381771044           WC7 4 0
88 WR 124-9 WR* 19 17 32.8048675392 +14 08 28.038774408       19.93   WC6 4 0
89 2MASS J19174121+1129190 WR* 19 17 41.213 +11 29 19.08           WC7 2 0
90 WR 124-10 WR* 19 18 31.705 +13 43 17.84           WC6 3 0
91 WR 124-2 WR* 19 20 40.3933929552 +13 50 35.196042696           WC8 4 0
92 WR 124-6 WR* 19 22 53.6083394876 +14 08 49.915260202           WC7 6 0
93 WR 124-7 WR* 19 22 54.4553566248 +14 11 28.004137008           WC8 5 0
94 WR 124-11 WR* 19 24 46.9139770176 +17 14 25.096562016           WN6 2 0
95 WR 126 WR* 19 39 56.1963949728 +26 34 42.481553196   13.99 13.29     WC5 38 0
96 HD 186943 WR* 19 46 15.9393580368 +28 16 19.077099276 9.86 10.50 10.23     WN3+O9.5V 192 0
97 HD 191765 WR* 20 10 14.1928045152 +36 10 35.070683376 7.64 8.08 8.08     WN6-s 452 0
98 HD 192103 WR* 20 11 53.5274337792 +36 11 50.525765304 7.77 8.13 8.11     WC8+OB: 339 0
99 HD 192641 WR* 20 14 31.7666855880 +36 39 39.598210224 7.80 8.20 7.91     WC7pd+O9V 347 0
100 HD 193077 WR* 20 17 00.0260987184 +37 25 23.785483116 7.82 8.32 8.01 8.71   WN5o+B? 297 0
101 WR 142 WR* 20 21 44.3438785440 +37 22 30.544989960   14.39 12.99 12.73 11.04 WO2 134 0
102 HD 195177 WR* 20 28 22.6636321896 +38 37 18.977440692 13.42 12.67 11.46     WC4+Be 91 0
103 HD 211564 WR* 22 16 24.0318845736 +55 37 36.767570232   11.72 11.61     WN3(h)-w 123 0
104 HD 213049 WR* 22 27 17.8187635824 +56 15 11.770681752   11.270 10.928 10.922   WC6 93 0
105 NAME Local Group GrG ~ ~           ~ 9325 0

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