Swift X-ray observations confirm outburst of GX 339-4

Devraj Pawar, Diego Altamirano, Gregory R. Sivakoff, James Miller-Jones, Tomaso Belloni, Dipankar Maitra Michelle Buxton, Jeroen Homan, Dave Russell, Fraser Lewis, John Tomsick, Mickael Coriat

Research output: Contribution to journalArticle

Abstract

On August 2, 2013, Buxton et al. (Atel #5244) reported optical and near-infrared flaring of the canonical black hole X-ray binary (BHB) GX 339-4. An increase in the optical and infrared band usually indicates the onset of an X-ray outburst in BHBs. We requested X-ray observations of GX 339-4 with Swift/XRT and the first observation was performed on August 6, 2013 (03:23:59 UTC, MJD = 56510.1417) in PC mode (ObsID: 00032490012, total of ~1.1 ks).
Original languageEnglish (US)
JournalThe Astronomer's Telegram
Volume5252
StatePublished - Aug 1 2013

Keywords

  • X-ray
  • Black Hole
  • Transient

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    Pawar, D., Altamirano, D., Sivakoff, G. R., Miller-Jones, J., Belloni, T., Buxton, D. M. M., Homan, J., Russell, D., Lewis, F., Tomsick, J., & Coriat, M. (2013). Swift X-ray observations confirm outburst of GX 339-4. The Astronomer's Telegram, 5252. http://adsabs.harvard.edu/abs/2013ATel.5252....1P