V-band observations of V4641 Sagittarii


Autoria(s): Martí Ribas, Josep; Zamanov, R. K.; Paredes i Poy, Josep Maria; Ribó Gomis, Marc
Contribuinte(s)

Universitat de Barcelona

Resumo

In this note we report high time resolution V Johnson photometry of the microquasar V4641 Sgr (SAX J1819.3-2525 - XTE J1819-254). This source was discovered as an X-ray transient by BeppoSAX and RossiXTE satellites (In't Zand et al. 1999; Markwardt et al. 1999). On 1999 September, a very fast transient optical and X-ray outburst was observed, reaching up to ...

Identificador

http://hdl.handle.net/2445/46025

Idioma(s)

eng

Publicador

Konkoly Observatory

Direitos

(c) Martí Ribas, Josep et al., 2001

info:eu-repo/semantics/openAccess

Palavras-Chave #Fotometria astronòmica #Forats negres (Astronomia) #Espectroscòpia #Quàsars #Estels #Raigs X #Astrometria #Astronomical photometry #Black holes (Astronomy) #Spectrum analysis #Quasars #Stars #X-rays #Astrometry
Tipo

info:eu-repo/semantics/article

info:eu-repo/semantics/publishedVersion