1998A&A...332..857V


Query : 1998A&A...332..857V

1998A&A...332..857V - Astronomy and Astrophysics, volume 332, 857-866 (1998/4-3)

Light variations of massive stars (α Cyg variables). XV. The LMC supergiants R99 (LBV), R103, R123 (LBV) and R128.

VAN GENDEREN A.M., STERKEN C., DE GROOT M. and REIJNS R.A.

Abstract (from CDS):

VBLUW photometry (Walraven system) of the four variable LMC supergiants R99, R103, R123 and R128 is analysed, searched for periods and discussed. Based on former and present photometry we conclude that two of the three emission-line objects are undoubtedly active LBVs (R99 and R123), although not so spectacular. R123, like AG Car near minimum brightness, shows a low amplitude S Dor activity with superimposed α Cyg-type variations.

Abstract Copyright:

Journal keyword(s): stars: variables: other - supergiants - stars: individual R99 = HDE 269445, R103 = HDE 269546 = SK -68 82, R123 = HD 37836 = SK -69 201 = S124, R128 = HDE 269859 = SK -69 221

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 - 2022
#notes
1 HD 6884 s*b 01 07 18.2182685856 -72 28 03.657105156   10.32 10.2     B9Ia0ek 119 0
2 HD 33486 * 05 05 06.6627617352 -68 05 11.158005336   7.83 7.86     A0IV 47 0
3 V* S Dor sg* 05 18 14.3570612088 -69 15 01.149576912 9.08 10.39 10.25 9.74 9.14 A5Iaeq 363 0
4 HD 269445 WR* 05 22 59.7855849168 -68 01 46.635948408 10.79 11.77 11.520 11.41 10.979 Ofpe/WN9 116 0
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15990 1
6 HD 269546 WR* 05 26 45.3202797576 -68 49 52.787839260 9.00 9.83 9.86 9.76 9.76 WN5b(h)+B3I 103 0
7 HD 269582 WR* 05 27 52.6621673400 -68 59 08.488879836 12.206 10.818 11.093 12.70 11.234 WN10h 99 0
8 HD 37836 Em* 05 35 16.6328047632 -69 40 38.439373260 9.87 10.736 10.599 10.73 10.164 B0e(q) 77 0
9 HD 269859 s*b 05 36 47.1875018688 -69 29 52.090414152 9.940 10.761 10.730 11.06   B1Ia 49 1
10 HD 92207 sg* 10 37 27.0681291600 -58 44 00.016141092 5.71 5.95 5.45     A0Ia 150 0
11 V* AG Car WR* 10 56 11.5781414448 -60 27 12.810673260 7.00 7.57 6.96 7.73   WN11h 611 0
12 * z02 Car s*b 11 08 33.9978278688 -61 56 49.832516832 4.96 5.42 5.19 4.89 4.72 B9.5Ia 81 0

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2022.05.20-19:20:30

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