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Aquila X-1 in weak outburst

ATEL # 2296; S.A.Ilovaisky and C.Chevalier (Observatoire de Haute-Provence)
on 14 Nov 2009; 19:08 UT
Password Certification: Sergio A. Ilovaisky (

Subjects: Optical, X-ray, Binaries, Transients
Referred to by ATEL #: 2299

CCD images of the Aql X-1 field taken with the Haute-Provence 1.2-m telescope by D.Gravallon on 2009 November 12.74 UT show the object to be at V = 17.9. Publicly available 2-10 keV RXTE ASM data yield a counting rate at or below 4 c/s. A similar weak level of activity was seen during the previous outbursts of June 2008 and March 2009 (see ATEL #1553 and #1970).

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