2013MNRAS.431.1160W

Query : 2013MNRAS.431.1160W

2013MNRAS.431.1160W - Mon. Not. R. Astron. Soc., 431, 1160-1166 (2013/May-2)

Variable dust formation by the colliding-wind Wolf-Rayet system HD 36402 in the Large Magellanic Cloud.

WILLIAMS P.M., CHU Y.-H., GRUENDL R.A. and GUERRERO M.A.

Abstract (from CDS):

Infrared photometry of the probable triple WC4(+O{quest})+O8I: Wolf-Rayet system HD 36402 (= BAT99-38) in the Large Magellanic Cloud shows emission characteristic of heated dust. The dust emission is variable on a time-scale of years, with a period near 4.7 yr, possibly associated with orbital motion of the O8 supergiant and the inner P ≃ 3.03-d WC4+O binary. The phase of maximum dust emission is close to that of the X-ray minimum, consistent with both processes being tied to colliding wind effects in an elliptical binary orbit. It is evident that Wolf-Rayet dust formation occurs also in metal-poor environments.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): stars: individual: HD 36402 - stars: winds, outflows - stars: Wolf-Rayet - infrared: stars - X-rays: binaries

CDS comments: IR1 (p.1161) is [CGC2005] YSO-2 in Simbad.

Simbad objects: 17

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Number of rows : 17
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11141 1
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7058 0
3 HD 32125 WR* 04 56 11.0961328800 -66 17 33.052465428 13.704 14.295 14.33   14.618 WC 56 0
4 HD 35517 WR* 05 19 16.3515868608 -69 39 20.012864004 11.193 11.754 11.58 12.36 11.953 WC4+O5/6III/V+O 88 0
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17421 0
6 LHA 120-N 51D HII 05 25 17.3 -67 22 47           ~ 114 0
7 2MASS6X J05260123-6730119 Y*O 05 26 01.231 -67 30 11.95 15.03 16.16 16.26     ~ 11 0
8 2MASS J05260246-6729576 Be? 05 26 02.47 -67 29 57.6   17.6 17.55     ~ 6 0
9 HD 36402 WR* 05 26 03.9637892880 -67 29 57.087864096   11.25 11.621 11.65   (WC) 138 0
10 HD 269891 WR* 05 37 49.0343945856 -69 05 08.218283928 11.791 9.447 11.39 11.55   WN6+B1Ia 70 0
11 Brey 90a WR* 05 39 03.7764480936 -69 03 46.565761680 16.190 15.895 15.834   15.533 WC5 26 0
12 HD 38448 WR* 05 39 56.1038237112 -69 24 24.256772136 12.073 12.894 12.996 13.42 13.150 WR 47 0
13 * tet Mus WR* 13 08 07.1531705448 -65 18 21.679426548 4.71 5.50 5.53 5.44 5.40 WC5+B0III 318 0
14 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14396 0
15 MR 80 WR* 18 02 04.1244400656 -23 37 42.168277056   15.002 13.155 12.056   WC9 228 1
16 HD 192641 WR* 20 14 31.7666855880 +36 39 39.598210224 7.80 8.20 7.91     WC7pd+O9V 330 0
17 HD 193793 WR* 20 20 27.9757908696 +43 51 16.286840244 6.90 7.25 6.85 4.58   WC7pd+O5.5fc 709 0

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