2012MNRAS.421.1189M

Query : 2012MNRAS.421.1189M

2012MNRAS.421.1189M - Mon. Not. R. Astron. Soc., 421, 1189-1195 (2012/April-1)

Spectral study of the late nitrogen-sequence Wolf-Rayet star FSZ35 in M33.

MARYEVA O. and ABOLMASOV P.

Abstract (from CDS):

We study and analyse the low-resolution spectra of the unusual late nitrogen-sequence Wolf–Rayet (WN) star FSZ35 in M33. We classify the object as a hydrogen-rich WN8 star. Using the radiative transfer code CMFGEN, we determine the physical parameters of this object and we compare these to the parameters of other WN8 stars, including the luminous blue variable V532 (also known as Romano's star) during the minimum of its brightness. Unlike V532, the object is fairly stable, both spectrally and photometrically, which can be attributed to its more advanced evolutionary stage or lower luminosity. FSZ35 is shown to possess a compact nebula that produces a faint but detectable [O III] emission.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): stars: individual: FSZ35 (M33) - supergiants - stars: Wolf–Rayet - galaxies: individual: M33

Simbad objects: 34

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Number of rows : 34
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 [HS80] B5 WR* 01 32 37.72 +30 40 05.6 16.445 17.498 17.627 17.447 17.473 Ofpe/WN9 35 0
2 FSZ 35 WR* 01 33 00.1625582064 +30 30 15.046873668 17.660 18.696 18.785 18.706 18.674 WN8 13 0
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 [HS80] B517 WR* 01 34 16.07 +30 36 42.1 16.80 17.89 17.95 17.86 17.83 Ofpe/WN9 21 0
5 NAME Romano Star WR* 01 35 09.7011882336 +30 41 57.160957560     18.04     Ofpe/WN9 59 1
6 LHA 120-S 9 WR* 04 57 41.0338477008 -66 32 42.553604940 12.191 12.91 12.82 12.91 11.781 WN10 58 0
7 HD 33133 WR* 05 03 08.9126630616 -66 40 57.492259824   12.46 12.63 12.85   WN7h 99 0
8 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
9 HD 269227 WR* 05 13 54.2756276088 -69 31 46.665067440 11.429 11.98 11.918 12.13 10.557 WN9/10+M2Ia 167 0
10 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
11 LHA 120-S 108 WR* 05 27 42.6930652824 -69 10 00.379546536 12.243 13.232 13.41 13.67 13.287 WN8ha 48 0
12 HD 269582 WR* 05 27 52.6621673400 -68 59 08.488879836 12.206 10.818 11.093 12.70 11.234 WN10h 117 0
13 Brey 44a WR* 05 31 18.0558143832 -69 08 45.425541264   14.55 14.26 14.26   WN8ha 31 0
14 Brey 47 WR* 05 32 07.4960150664 -68 26 31.570497852 14.772 15.35 14.97 15.02 14.373 WN7h 37 0
15 LHA 120-S 125 WR* 05 35 54.3748881672 -68 59 07.890914940 12.463 13.324 13.266 13.33 12.609 WN9ha 77 0
16 Brey 81 WR* 05 38 36.4071127800 -69 06 57.534295248   14.02 13.76   12.80 WN8 41 0
17 Brey 75 WR* 05 38 40.53 -69 05 57.2   12.84 12.75   12.34 WN6h 66 0
18 W61 3-8 WR* 05 38 58.0963884840 -69 29 19.558532292       12.51 12.43 WN9h 61 0
19 CD-45 4482 WR* 08 44 47.2901340000 -45 58 55.417387548 10.95 11.29 10.74 10.58   WN8h+? 108 0
20 HD 86161 WR* 09 54 52.9033957968 -57 43 38.274644604 7.94 8.65 8.36 8.93   WN8h 230 0
21 * eta Car s*b 10 45 03.545808 -59 41 03.95124 6.37 7.03 6.48 6.123 4.41 LBV 2543 0
22 V* AG Car WR* 10 56 11.5781414448 -60 27 12.810673260 7.00 7.57 6.96 7.73   WN11h 649 0
23 HD 96548 WR* 11 06 17.2032351624 -65 30 35.241182028 7.10 7.80 7.70 8.49   WN8h 427 0
24 MR 53 WR* 14 13 03.5252119752 -65 26 52.707986592 11.93 12.51 12.32 12.21   WN5-w 74 0
25 HD 151932 WR* 16 52 19.2477039480 -41 51 16.270066224 6.06 6.79 6.51 7.64   WN7h 326 0
26 CD-38 11746 WR* 17 19 00.5232022104 -38 48 51.247595664 13.01 12.48 11.02 10.55   WN8h 106 0
27 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
28 EM* AS 268 WR* 18 02 23.4574037952 -23 34 37.491692196   14.38 12.31 11.43   WN9h 106 0
29 HD 313846 WR* 18 05 25.7344895280 -23 00 20.334949992 10.48 10.69 9.89 9.89   WN9h+OB 143 0
30 EM* AS 306 WR* 18 27 04.2926310240 -12 22 52.676112720   14.79       WN8h 51 0
31 IRAS 18576+0341 s*b 19 00 10.89456 +03 45 47.1096           B8I 87 0
32 HD 177230 WR* 19 03 59.0233422072 -04 19 01.910240688 11.32 11.60 11.12     WN8 177 0
33 Hen 2-427 WR* 19 11 30.8749167768 +16 51 38.200938264   12.19 11.50     WN8h 350 0
34 BD+25 4655 HS* 21 59 41.9748629928 +26 25 57.403455672 8.27 9.39 9.68     sdO6 130 0

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