Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel..990....1l&link_type=abstract
The Astronomer's Telegram, #990
Astronomy and Astrophysics
Astronomy
5
X-Ray, Gamma Ray, Agn, Stars
Scientific paper
Three INTEGRAL sources, IGR J14175-4641, IGR J14552-5133 and IGR J16351-5806 have recently been observed and detected with the Swift/XRT X-ray telescope. In all cases, the XRT position confirms a previous association with 3 AGNs (Masetti et al., 2006, A&A, 459, 21; Kuiper et al., 2006, Atel 684). In the following we report the results of these measurements: IGR J14175-4641 The XRT observation locates the source at RA(J2000) = 14h17m03.8s and Dec(J2000) = -46d41m39.7s, with an error box of 10 arcsec, thus confirming the association with the Seyfert 2 galaxy LEDA 511869 at z = 0.076; the source is too weak to allow spectral analysis, but the 2-10 keV XRT flux of 5.8 x 10-14 erg cm-2 s-1, compared with the 20-100 keV IBIS flux of 3.9 x 10-11 erg cm-2 s-1, suggests that this may be a Compton thick AGN.
de Rosa Alessandra
Gehrels Neil
Landi Raffaella
Masetti Nicola
Molina Mallory
No associations
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