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| Query : 1996A&A...312..941M |
1996A&A...312..941M - Astronomy and Astrophysics, volume 312941-949 (1996/8-3)
MWC 314: a high-luminosity peculiar Be star.
MIROSHNICHENKO A.S.
Abstract (from CDS):
New broad-band multicolor photometry and optical spectroscopy of the emission-line star MWC 314= BD +14deg3887 as well as a study of its ultraviolet spectrum are reported. It is shown that the star exhibits photometric variability with a quasi-regular component. Main parameters of the star and its envelope are determined from both the spectral energy distribution and emission line analysis. It is concluded that MWC 314 is a highly reddened (AV=5.7mag) supergiant with strong slow stellar wind. The stellar parameters are: logL/L☉=6.2, T*=30000K, R*=50R☉, which yield an initial mass of about 80M☉. The stellar wind has a quite low terminal velocity (v∞=500km/s, a high mass loss rate (M=3x10–5M☉/yr), and a structure similar to that of P Cyg. There is no evidence for a dust shell in the vicinity of the object. A comparison of the object's parameters with those of LBVs and B[e]-supergiants is also presented. MWC 314can be considered as a candidate LBV.
Abstract Copyright: ∼
Journal keyword(s): stars: individual: MWC 314 - mass loss - Be - supergiants - fundamental parameters - ultraviolet: stars
CDS comments: T.6 : WRA 751 = WRAY 15-751
Simbad objects: 18
| Number of rows : 18 |
| 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 | LHA 115-S 18 | s*b | 00 54 09.5410003368 | -72 41 43.289017440 | 12.94 | 13.48 | 13.82 | 12.55 | BI[e] | 93 | 1 | |
| 2 | HD 269006 | s*b | 05 02 07.3942092168 | -71 20 13.116800076 | 9.93 | 10.60 | 10.55 | 10.43 | 10.38 | LBV | 261 | 0 |
| 3 | HD 269858 | s*b | 05 36 43.6936418088 | -69 29 47.451149232 | 10.24 | 10.15 | 9.95 | 9.05 | LBV | 296 | 2 | |
| 4 | HD 80077 | s*b | 09 15 54.7869062472 | -49 58 24.575734452 | 10.50 | 10.29 | 9.00 | 7.89 | B2.5Ia+ | 156 | 0 | |
| 5 | HD 87643 | Or* | 10 04 30.2839505304 | -58 39 52.091224848 | 8.92 | 10.38 | 9.50 | 9.68 | B3I[e] | 157 | 0 | |
| 6 | HD 90177 | s*b | 10 22 53.8430096928 | -59 37 28.363616256 | 9.16 | 9.66 | 8 | 8.15 | LBV | 342 | 0 | |
| 7 | V* AG Car | WR* | 10 56 11.5781414448 | -60 27 12.810673260 | 7.00 | 7.57 | 6.96 | 7.73 | WN11h | 649 | 0 | |
| 8 | MR 35 | s*b | 11 08 40.0634208096 | -60 42 51.721320060 | 12.33 | 10.20 | 11.66 | LBV | 130 | 0 | ||
| 9 | CPD-52 9243 | AB* | 16 07 02.0298241344 | -53 03 45.415519128 | 12.36 | 11.84 | 10.22 | 9.87 | B3Ieq | 62 | 0 | |
| 10 | CD-42 11721 | Be* | 16 59 06.7629322176 | -42 42 08.404228224 | 12.16 | 12.28 | 11.00 | B0IVe | 179 | 0 | ||
| 11 | HD 327083 | s*b | 17 15 15.3711774600 | -40 20 06.792259560 | 12.07 | 11.44 | 10.00 | 9.64 | B6Ieq | 63 | 0 | |
| 12 | HD 160529 | s*b | 17 41 59.0261939376 | -33 30 13.704456780 | 8.17 | 7.87 | 6.66 | 5.50 | 4.51 | B8-A9Ia+ | 203 | 1 |
| 13 | V* XX Oph | AB* | 17 43 56.4963178200 | -06 16 08.744059236 | 10.51 | 9.79 | 8.96 | M5IIe+Aep | 151 | 0 | ||
| 14 | HD 316285 | s*b | 17 48 14.0372119152 | -28 00 53.121269592 | 11.88 | 11.27 | 9.60 | 9.28 | B0Ieq | 197 | 2 | |
| 15 | HD 180262 | * | 19 15 20.0902287360 | +15 05 01.149801756 | 6.621 | 5.571 | G8II-III | 95 | 0 | |||
| 16 | HD 231217 | * | 19 21 17.0552242728 | +14 55 04.630028628 | 9.5 | 9.74 | A0 | 6 | 0 | |||
| 17 | BD+14 3887 | Em* | 19 21 33.9771479376 | +14 52 56.910478296 | 11.86 | 11.3 | 9.89 | B3Ibe | 99 | 0 | ||
| 18 | * P Cyg | s*b | 20 17 47.2019733389 | +38 01 58.549132671 | 4.66 | 5.24 | 4.82 | 4.28 | 4.02 | B1-2Ia-0ep | 1200 | 1 |
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