Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atel..746....1m&link_type=abstract
The Astronomer's Telegram, #746
Astronomy and Astrophysics
Astronomy
6
X-Ray, Binaries, Black Holes, Transients
Scientific paper
We observed the black hole candidate with Chandra for 50 ksec, starting on Feb 13 2006 at 02:04 UT. The HETGS was used to obtain a high resolution spectrum, which was read-out with the ACIS-S array. Initial fits to the spectra have been made using XSPEC and ISIS. For a number of continuum models, and neutral absorption models, we find N_H = 8.8-9.7 E+20 cm^-2. This value is even lower than that anticipated in ATEL 743.
Homan Jeroen
Miller John Mcl.
Steeghs Daniel
Wijnands Rudy
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