2012A&A...546A..62C


C.D.S. - SIMBAD4 rel 1.7 - 2020.02.21CET11:17:18

2012A&A...546A..62C - Astronomy and Astrophysics, volume 546A, 62-62 (2012/10-1)

GS 305+04-26: revisiting the interstellar medium around the Centaurus OB1 stellar association.

CORTI M.A., ARNAL E.M. and ORELLANA R.B.

Abstract (from CDS):

Massive stars deeply modify their surrounding interstellar medium (ISM) via their high throughput of ionizing photons and their strong stellar winds. In this way, they may create large expanding structures of neutral gas. We study a new large neutral hydrogen (HI) shell, labelled GS305+04-26, and its relationship with the OB association Cen OB1. To carry out this study, we have used a multi-wavelength approach. We analyse both HI line data retrieved from the Leiden-Argentina-Bonn (LAB) survey and new spectroscopic optical observations obtained at CASLEO, as well as make use of proper motion databases available from CDS. The analysis of the HI data reveals a large expanding structure GS305+04-26 centred at (l, b)=(305°, +4°) in the velocity range from -33 to -17km/s. Based on its central velocity of -26km/s and using standard galactic rotation models, a distance of 2.5±0.9kpc is inferred. This structure, elliptical in shape, has a major and minor axis of 440 and 270pc, respectively. Its expansion velocity, total gaseous mass, and kinetic energy are ∼8km/s, (2.4±0.5)x105M, and (1.6±0.4)x1050erg, respectively. Several stars of the OB-association Cen OB1 are seen projected onto, and within, the boundaries of GS305+04-26. Based on an analysis of proper motions, new members of Cen OB1 are identified. The mechanical energy injected by these stars could have been the origin of this HI structure.

Abstract Copyright:

Journal keyword(s): Galaxy: kinematics and dynamics - Galaxy: structure - open clusters and associations: individual: Cen OB1 - ISM: bubbles - ISM: structure - radio lines: ISM

Simbad objects: 73

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Number of rows : 73

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 Ass Per OB 2 As* 03 42.2 +33 26           ~ 304 0
2 HD 57682 * 07 22 02.0544956184 -08 58 45.761168747 5.20 6.24 6.43     O9.2IV 232 0
3 HD 108516 * 12 28 20.2007248248 -62 57 27.294934995   9.60 9.48     B1/3(III) 12 0
4 HD 109150 * 12 32 57.4239099716 -59 26 37.951846493   8.65 8.57 9.38   B2II/III 17 0
5 HD 109253 * 12 33 58.7618609074 -64 22 36.950288401   9.76 9.59     B8II/III 7 0
6 HD 109505 * 12 35 46.3970849369 -61 34 22.883394355 7.58 8.95 8.68 9.04   B2II 25 0
7 HD 109937 * 12 39 19.4548379930 -63 21 41.214645447   9.78 9.40 9.77   B2/3III 17 0
8 HD 109978 * 12 39 37.6533132030 -62 26 01.068562707 8.61 9.59 9.27 9.44   O9III 45 0
9 HD 110449 * 12 42 52.9637520246 -60 58 32.758994120   9.45 9.32     B2III 16 0
10 HD 110597 * 12 43 53.0475819421 -59 20 09.767047768   9.64 9.50     B8II 12 0
11 HD 110639 * 12 44 17.0842708574 -61 23 40.696922138 8.90 9.15 8.46 9.01   B1II-III 40 0
12 CD-64 654 * 12 45 44.1272686022 -65 37 23.591171091 9.30 9.86 9.72     B1V 14 0
13 HD 110912 * 12 46 18.5913664440 -62 18 02.396981154 9.88 9.99 9.76     B8II/III 12 0
14 HD 110984 * 12 46 44.8300001347 -61 11 11.521281879 8.93 9.50 9.03 9.52   B1II/III 46 0
15 HD 111121 * 12 47 47.1805389368 -59 05 04.358343289   9.72 9.63     B8/9II/III 11 0
16 HD 111579 * 12 51 03.5538117740 -61 14 37.755872938 9.45 9.68 9.12 9.53   B2Ib/II 36 0
17 HD 111613 sg* 12 51 17.9762278922 -60 19 47.233954725 6.00 6.10 5.72 5.32 5.03 B9.5Iab 105 0
18 HD 111904 V* 12 53 21.8939526500 -60 19 42.561485784 5.75 6.05 5.77 7.09   B9Iab 99 0
19 PSR J1253-5819 Psr 12 53 28.342 -58 20 40.89           ~ 19 0
20 V* BU Cru EB* 12 53 37.6191876667 -60 21 25.424160921 6.49 7.04 6.84 7.55   B2Ib 98 0
21 NGC 4755 OpC 12 53 39 -60 21.7           ~ 266 0
22 CPD-59 4552 * 12 53 46.4933523228 -60 24 12.416336476 7.79 8.337 8.24 9.13   B1III 44 0
23 * kap Cru SB* 12 53 48.9195114429 -60 22 34.468234629 5.62 6.12 5.94 7.12   B2/3Ia 119 0
24 HD 111990 * 12 53 59.7990827718 -60 20 07.505578149 6.46 6.95 6.77 7.68   B1/2Ib 75 1
25 HD 112026 * 12 54 18.4291917638 -60 53 38.932236046 7.89 8.69 8.66     B0/1IV 25 0
26 PSR J1254-6150 Psr 12 54 32.48 -61 50 50.8           ~ 3 0
27 HD 112147 Be* 12 55 08.4591267187 -59 01 07.418764320 8.54 9.316 9.13 9.58   Be 42 0
28 HD 112181 * 12 55 31.8132163539 -60 39 00.536237280 8.19 9.30 9.19 9.49   B2/3II/III 23 0
29 HD 112364 * 12 56 59.6535312508 -59 44 33.016589823 6.9 7.532 7.387     B1III 35 0
30 HD 112382 Em* 12 56 59.9134185325 -59 02 00.702409204   9.22 9.01     B4II 14 0
31 HD 112366 * 12 57 11.1039834409 -63 27 52.149611882 8.21 8.36 7.63 8.41   B6Iab/b 27 0
32 HD 112471 ** 12 57 44.9290270785 -60 53 15.586355745 8.36 9.37 9.13 9.46   B1II/III 23 0
33 HD 112485 * 12 57 51.5044903702 -60 48 56.077662329 8.84 9.57 9.53     B1/3(III) 22 0
34 HD 112497 * 12 58 00.9740789569 -61 03 19.154510861 8.38 9.27 8.97 9.15   B1/2II/III 26 0
35 HD 112637 * 12 59 15.6247029264 -63 18 16.129134681   9.90 9.55     B2III 14 0
36 HD 112661 * 12 59 21.2552704270 -62 17 20.598518499 9.6 9.96 9.51 9.65   B0/1III/IV 20 0
37 HD 112784 * 13 00 05.6353969570 -60 35 37.221922955 7.50 8.31 8.26 9.11   O9.5III 72 0
38 HD 112842 * 13 00 31.5269107590 -60 22 31.319694221 6.83 7.234 7.072     B4II 41 0
39 HD 112852 * 13 00 34.2945786461 -59 34 51.698231807   10.14 9.91     B8/9II 11 0
40 HD 113012 * 13 01 41.5337273990 -60 04 35.170402362 7.46 8.23 8.13 8.98   B0III 62 0
41 Ass Cen OB 1 As* 13 02 -61.4           ~ 101 0
42 HD 113421 * 13 04 31.6342382529 -59 49 28.122124824 8.86 9.54 9.33 9.76   B0Vn 30 0
43 HD 113422 * 13 04 36.8519896213 -61 42 37.013684933 8.87 9.07 8.24 9.04   B1/2Ia/ab 60 0
44 HD 113432 * 13 04 49.3230284151 -63 29 29.247253988 9.4 9.70 9.19 9.40   B1Iab/b 37 0
45 HD 113606 * 13 06 03.1663910266 -64 14 35.577322308 8.54 9.76 9.10 9.38   O9.5III 26 0
46 HD 113708 * 13 06 48.3351445448 -65 12 43.716978303 7.22 8.03 8.17 9.03   B1/2III(n) 32 0
47 CD-61 3664 * 13 06 48.9669796013 -61 47 00.073057339 9.76 10.21 9.62 9.58   O9.5V 22 0
48 HD 113742 * 13 06 53.7480444090 -61 56 38.007569335   9.53 9.20 9.62   B1/2(III) 18 0
49 HD 113754 * 13 07 04.3899878991 -62 59 30.453492941 9.7 10.12 9.63 9.78   O6/7 28 0
50 GSH 305+04-26 sh 13 07 -59.           ~ 4 0
51 * tet Mus WR* 13 08 07.1527888825 -65 18 21.679641155 4.71 5.50 5.53 5.44 5.40 WC5+B0III 294 0
52 HD 114011 * 13 08 43.0544949595 -61 11 10.965832008 9.8 10.08 9.36 9.59   B3/5Ib/II 44 0
53 GSH 305+01-24 sh 13 10 -62.0           ~ 9 0
54 HD 114213 * 13 10 21.3700451292 -61 28 20.892945879 9.86 9.88 8.96 9.40   B1Ib 69 0
55 HD 114394 * 13 11 20.5924052231 -59 34 36.923358089 7.74 8.44 8.22 9.03   B1III 24 0
56 HD 114478 * 13 11 57.4968442824 -62 48 54.872565966 8.63 9.59 9.56 9.40   B1Ib/II 32 0
57 HD 114669 * 13 13 10.7559396218 -62 31 38.194138424   9.22 9.07     B5II 12 0
58 CD-60 4554 * 13 13 11.7407257561 -61 05 21.247912777 8.33 9.01 8.78 9.44   B1III 25 0
59 HD 114737 ** 13 13 45.5289558909 -63 35 11.705673659 7.43 8.19 8.00 8.92   O8.5III 54 0
60 HD 114886 ** 13 14 44.38260 -63 34 51.8077 6.15 6.98 6.89 7.76   B1/2Ib/II 90 0
61 CD-60 4575 Be* 13 15 10.0089456895 -60 58 00.722310682 9.98 10.37 9.81 9.94   B1IIIne 28 0
62 HD 115223 * 13 16 52.4645547925 -60 27 22.539943464 9.55 9.38 8.98 9.25   A0Ib/II 18 0
63 HD 115363 s*b 13 18 06.8645878178 -63 41 13.634362256 7.95 8.46 7.87 8.72   B1Ia+ 72 0
64 HD 115455 SB* 13 18 35.3590484575 -62 29 28.403709769 7.40 8.17 7.97 8.81   O8III((f)) 93 1
65 CD-61 3731 * 13 18 39.2837519714 -62 31 48.224260033 9.1 9.68 9.53     B0.5V 18 0
66 HD 115497 * 13 18 40.7947585460 -59 00 39.541052922   9.81 9.71     B8/9II 13 0
67 HD 115666 * 13 19 54.4539146153 -60 52 20.148109514   9.49 9.40     B7II 11 0
68 HD 116119 sg* 13 22 55.6321482601 -62 00 44.005842039 8.53 8.58 7.87 8.64   A0Ia 47 0
69 HD 116121 * 13 23 03.7965076856 -63 03 42.388128144   9.26 9.27     O9/B0(V) 19 0
70 HD 116403 * 13 24 51.6979914412 -61 01 44.921275838 8.63 9.00 9.00     B5II/III 13 0
71 HD 116864 * 13 28 00.2205589066 -63 13 29.253327011   9.13 9.12     B9II/III 6 0
72 PSR J1334-5839 Psr 13 34 30.1091 -58 39 16.545           ~ 6 0
73 * nu. Cap * 20 20 39.8156206 -12 45 32.684421 4.61 4.72 4.76 4.75 4.81 B9IV 256 0

    Equat.    Gal    SGal    Ecl

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2020.02.21-11:17:18

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