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Fermi/GBM detects pulsations of the transient source MAXI J1409-619

ATEL # 3069; A.Camero-Arranz (NASA/FECYT), M.H.Finger (USRA) and P. Jenke (NASA/ORAU)
on 6 Dec 2010; 18:38 UT
Password Certification: Ascension Camero-Arranz (

Subjects: X-ray, Binaries, Neutron Stars, Pulsars, Transients, Stars
Referred to by ATEL #: 3070

GBM monitoring detected pulsations of the transient X-ray source MAXI J1409-619 after a new re-brightening of this source observed by MAXI (ATel#3067). The first detection was made in the 2 to 3 Dec 2010 GBM data, with a frequency of 1.97265(17) mHz (P= 506.93(5) s) at epoch MJD 55533.0 (2010 Dec 3.0), consistent with the value detected by Swift/BAT (ATel #3060). The frequency increased at a rate of 1.66(14)e-11 Hz/s from Dec 2 to 5. The pulse profile is double peaked.

GBM Pulsar Project

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R. E. Rutledge , Editor
ATEL Mirror v1.0 Updates