Orosz et al.: A Black Hole in the Superluminal Source SAX J1819.3-2525 (V4641 Sgr). In: The Astrophysical Journal. Bd. 555, Nr. 1, S. 489 ff., 2001, bibcode:2001ApJ...555..489O.
Chaty et al.: Optical and near-infrared observations of the microquasar V4641 Sgr during the 1999 September outburst. In: Monthly Notice of the Royal Astronomical Society. Bd. 343, Nr. 1, S. 169 ff., 2003, bibcode:2003MNRAS.343..169C.
Goranskij et al.: Recent activity of the black hole binary V4641 Sgr. In: The Astronomer’s Telegram. Nr. 1134, 2007, bibcode:2007ATel.1134....1G.
Goranskij et al.: Photometry and spectroscopy of the system V4641 sagittarii in quiescence. In: Astronomy Reports. Bd. 47, Nr. 9, S. 740 ff., 2003, bibcode:2003ARep...47..740G.
