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| Query : 1996A&A...305..481S |
1996A&A...305..481S - Astronomy and Astrophysics, volume 305481-486 (1996/1-2)
The enigmatic flarings of HR 2517.
STERKEN C. and MANFROID J.
Abstract (from CDS):
We report the discovery of strong flaring of the B3 II-III star HR2517. The evidence is based on Stroemgren differential uvby photometry spanning more than a decade. We discuss the behaviour of HR2517 in terms of two models, viz. a rooted bright spot suddenly appearing and developing with modulation in photospheric temperature producing periodic light and profile variations as the star rotates, or that HR2517 is a Be star in an eccentric (P∼33-34d) high-mass X-ray binary (HMXB) with neutron star companion–one of the brightest such systems known.
Abstract Copyright: ∼
Journal keyword(s): stars: flares, Be - stars: individual: HR 2517 - binaries: close
Simbad objects: 7
| Number of rows : 7 |
| 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 | * lam Eri | Be* | 05 09 08.7840557047 | -08 45 14.701594805 | 3.17 | 4.07 | 4.27 | 4.35 | 4.55 | B2III(e)p | 316 | 1 |
| 2 | 1A 0535-668 | HXB | 05 35 40.9970566152 | -66 51 53.547559416 | 15.036 | 15.138 | B2IIIe | 302 | 0 | |||
| 3 | HD 245770 | HXB | 05 38 54.5748918624 | +26 18 56.836952784 | 9.30 | 9.84 | 9.39 | 8.77 | 8.30 | O9/B0III/Ve | 1045 | 0 |
| 4 | HD 48434 | s*b | 06 43 38.6456583720 | +03 55 57.109225980 | 4.99 | 5.88 | 5.90 | B0III | 166 | 0 | ||
| 5 | HD 49567 | * | 06 49 03.6560827200 | +01 00 07.442689536 | 5.34 | 6.001 | 6.150 | B3III | 81 | 0 | ||
| 6 | * kap CMa | Be* | 06 49 50.4591124672 | -32 30 30.523820933 | 2.73 | 3.68 | 3.89 | 3.91 | 4.05 | B1.5Ve | 298 | 0 |
| 7 | * 27 CMa | Be* | 07 14 15.2117197408 | -26 21 09.028965559 | 3.76 | 4.45 | 4.65 | 4.64 | 4.73 | B4Ve_sh | 240 | 0 |
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