Article ISI SCOPUS
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY  (2001)

A 421-d activity cycle in the BeX recurrent transient A0538-66 from MACHO monitoring

Alcock, C; Allsman, RA; Alves, DR; Axelrod, TS; Becker, AC; Bennett, DP; Charles, PA; Cook, KH; Drake, AJ; Freeman, KC; Geha, M; Griest, K; Lehner, MJ; Marshall, SL; McGowan, KE; et. al.

Abstract

We present a ?5-yr optical light curve of the recurrent Be/X-ray transient A0538-66 obtained as a by-product of the MACHO Project. These data reveal both a long-term modulation at P = 420.8 ± 0.8 d and a short-term modulation at 16.6510 ± 0.0022 d which, within errors, confirms the previously found orbital period. Furthermore, the orbital activity is only seen at certain phases of the 421-d cycle, suggesting that the long-term modulation is related to variations in the Be star envelope.

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Título según WOS: A 421-d activity cycle in the BeX recurrent transient A0538-66 from MACHO monitoring
Título según SCOPUS: A 421-d activity cycle in the BeX recurrent transient A0538-66 from MACHO monitoring
Título de la Revista: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volumen: 321
Número: 4
Editorial: OXFORD UNIV PRESS
Fecha de publicación: 2001
Página de inicio: 678
Página final: 684
Idioma: English
URL: http://mnras.oxfordjournals.org/cgi/doi/10.1046/j.1365-8711.2001.04041.x
DOI:

10.1046/j.1365-8711.2001.04041.x
Notas: ISI, SCOPUS