V-band observations of V4641 Sagittarii
| 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 | |
| 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 |