MAXI J1659-152 is a BH candidate

M. Kalamkar, Y. Yang, D. Altamirano, P. Casella, M. Linares, A. Patruno, M. Armas-Padilla, Y. Cavecchi, N. Degenaar, D. Russell, R. Kaur, M. van der Klis, A. Watts, R. Wijnands, N. Rea

Research output: Contribution to journalArticle


We report on a pointed RXTE/PCA observation of the transient source MAXI J1659-152 (Atel #2873,#2874,#2875,#2877,#2880 GCN #11296,#11299, #11307 - initially referred to as GRB 100925A). The observation started on 28th September 2010 at 00:51:10 UT, for a total integration time of ~ 16 ks. We find strong variability in the X-ray light curve (average of ~520 cnts/sec/PCU in the 2-60 keV range). The fractional rms amplitude in the 0.01-100 Hz frequency range is 23.7(6)%.
Original languageEnglish (US)
JournalThe Astronomer's Telegram
StatePublished - Sep 1 2010


  • X-ray
  • Binaries
  • Black Holes
  • Transients


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