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ATEL # 1870; J.L. Galache, M.R. Garcia, M.A.P. Torres, S.S. Murray (CfA), D. Steeghs (U. of Warwick/CfA) and B.F. Williams (U. of Washington)
on 8 Dec 2008; 19:19 UT
Password Certification: Jose Luis Galache (email@example.com)
Subjects: Binaries, Black Holes, Neutron Stars, Pulsars, Transients
The object CXOM31 J004245.9+411036, reported as a new X-ray source in ATel #1859 from M31 Chandra observations, is the previously reported XMMU J004245.9+411036 (Pietsch et al. 2008, ATel #1647). We thank W. Pietsch and M. Henze for kindly bringing this clerical error to our attention.
This transient source has been observed by various space telescopes since its discovery. We present a table with known observations and the X-ray luminosity in the 0.5-5 keV range. All spectra were fit with an absorbed power law and we also present the slope reported.
|Date (UT)||Lx (×1e37 erg/s)||Γ||Satellite (Ref.)|
|2008-05-26.30||2.7||2.4*||Swift (ATel #1671)|
|2008-05-31.47||3.5||1.7*||CXO (ATel #1658)|
|2008-07-15.70||1.4||2.4||CXO (ATel #1658)|
|2008-07-18.26||4.2||2.4||XMM (ATel #1647)|
|2008-08-21.31||5.4||2.4*||Swift (ATel #1674)|
|2008-10-21.63||6.1||2.4*||Swift (ATel #1806)|
|2008-11-27.72||3.6||1.8||CXO (ATel #1859)|