Discovery of a ~205 Hz X-ray pulsar in the globular cluster NGC 6440

Details Discovery of a ~205 Hz X-ray pulsar in the globular cluster NGC 6440 Discovery of a ~205 Hz X-ray pulsar in the globular cluster NGC 6440

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2182....1a&link_type=abstract

The Astronomer's Telegram, #2182

Astronomy and Astrophysics

Astronomy

6

X-Ray, Request For Observations, Binaries, Transients

Scientific paper

Discovery of a 205 Hz X-ray pulsar in the globular cluster NGC 6440 The globular cluster NGC 6440 was observed by the PCA instrument aboard RXTE on August 30, 2009 at 01:42 (UTC). The observation lasted for approximately 3000 seconds and the source was detected with an intensity of ~7 mCrab (2-10 keV). Pulsations were detected at a barycentric frequency of 205.893 Hz, with a pulsed amplitude of approximately 7%.

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