Japan Aerospace Exploration Agency (JAXA)
Institute of Physical and Chemical Research (RIKEN)
The Monitor of All-sky X-ray Image (MAXI) mission team discovered an X-ray nova by MAXI's X-ray cameras, which are working on the Exposed Facility of the Japanese Experiment Module "KIBO" of the International Space Station. The team immediately reported their discovery to the world.
This X-ray nova emerged in the constellation of Ophiuchus, and the MAXI nova alert system detected its emergence at around 7:00 p.m. on September 25, 2010 (Japan Standard Time, all the following dates and times are JST.) The discovery was immediately notified to all researchers registered on the MAXI mailing list, and with their detailed analysis the MAXI team confirmed that it is an uncatalogued X-ray source. The nova was named "MAXI J1659-152," and the discovery was reported to the world through the Astronomer's Telegram, ATel, at around 1:00 a.m. on September 26.