Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2215....1n&link_type=abstract
The Astronomer's Telegram, #2215
Astronomy and Astrophysics
Astronomy
11
X-Ray, Binaries, Neutron Stars, Pulsars
Scientific paper
Chandra-HETG observations were performed on the bursting accreting milli-second X-ray pulsar IGR J17511-3057 (Baldovin et al. ATEL #2196, and further reported upon in ATEL #2197, #2198, #2199). We have used these observations to refine the X-ray position. By intersecting the image of the Medium Energy Grating (MEG) dispersed spectra with the CCD readout streak from the 0th order image, we find a J2000.0 position of: RA: 17 51 08.66 Dec: -30 57 41.0 We estimate that the 1sigma statistical error on the position is 0.1 arcsec, while the 1sigma systematic error on the position is 0.6 arcsec.
Chaty Sylvain
Courvoisier Th.
Del Santo Melania
Ebisawa Ken
Farinelli Ruben
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