Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3650....1h&link_type=abstract
The Astronomer's Telegram, #3650
Astronomy and Astrophysics
Astronomy
2
X-Ray, Binary, Neutron Star, Transient
Scientific paper
We report on ongoing RXTE observations of the X-ray transient MAXI J0556-332. This source was discovered on 2011 January 11 (ATel #3102) and has since been monitored on an almost daily basis with RXTE.
A preliminary X-ray color analysis of ~470 ks of RXTE/PCA data reveals a somewhat chaotic pattern without a clear structure in the color-color (CD) and hardness-intensity (HID) diagrams. However, analysis of shorter time intervals (~5-10 days) reveals tracks that strongly resemble those of the Z sources, the brightest neutron-star low-mass X-ray binaries (LMXBs).
Fridriksson Joel
Homan Jeroen
Linares Manu
van den Berg Maureen
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