2012MNRAS.426..181A

Query : 2012MNRAS.426..181A

2012MNRAS.426..181A - Mon. Not. R. Astron. Soc., 426, 181-186 (2012/October-2)

Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud.

AGLIOZZO C., UMANA G., TRIGILIO C., BUEMI C., LETO P., INGALLINERA A., FRANZEN T. and NORIEGA-CRESPO A.

Abstract (from CDS):

The nebulae associated with four luminous blue variables (LBVs) in the Large Magellanic Cloud (LMC) have been observed at 5.5 and 9GHz using the Australia Telescope Compact Array, and radio emission has been detected for first time in sources R127, R143, S61 and S119. The radio maps of the nebulae have an angular resolution of ∼ 1.5arcsec and a sensitivity of 1.5–3.0 x 10–2mJy/beam and show a very similar morphology to that observed in Hα. This similarity permits us to assume that the Hα emission is not affected by strong intrinsic extinction due to dust within the nebulae. We estimate the masses of ionized gas in the LBV nebulae and find values consistent with those measured in Galactic LBVs.

Abstract Copyright: © 2012 The Authors Monthly Notices of the Royal Astronomical Society © 2012 RAS

Journal keyword(s): stars: evolution - stars: mass-loss - ISM: bubbles

CDS comments: SNNN are LHA 120-S NNN in Simbad ; RNNN are RMC NNN in Simbad.

Simbad objects: 12

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Number of rows : 12
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 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 HD 269687 WR* 05 31 25.5247745448 -69 05 38.556251700 10.86 11.78 11.87 12.05   WN11h 122 0
4 HD 269858 s*b 05 36 43.6936418088 -69 29 47.451149232   10.24 10.15 9.95 9.05 LBV 296 2
5 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1276 2
6 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
7 CPD-69 463 s*y 05 38 51.6161224200 -69 08 07.314706104 11.93 12.45 12.014     F7Ia 97 1
8 LHA 120-S 61 WR* 05 45 51.9388258704 -67 14 25.937264544 10.870 11.86 11.95 12.09 11.931 WN11h 100 0
9 V* AG Car WR* 10 56 11.5781414448 -60 27 12.810673260 7.00 7.57 6.96 7.73   WN11h 649 0
10 HD 168625 s*b 18 21 19.5484021368 -16 22 26.075142156 10.15 9.78 8.37 8.76   B8Ia+ 293 2
11 IRAS 18576+0341 s*b 19 00 10.89456 +03 45 47.1096           B8I 87 0
12 IRAS 20298+4011 LP? 20 31 42.2846664600 +40 21 59.074415640       15.384   B:I[e] 98 0

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