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| Miscellaneous :
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Landi et al. 2007 :
- USNO B1.0 counterpart with R=15.28-15.66
- Also listed in 2MASS
- Spectrum has NH=2e22 cm-2, and a power law with Γ=0.8 or
1.8. 2-10 keV flux = 2.4e-12 erg/cm2/s
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Tomsick et al. 2009 :
- Chandra observation
- Diffuse source (CXOU J174453.4-323254)
- Spectrum (extension 3')= absorbed powerlaw, NH=2.5 x 1022
cm-2, Γ=1.27
- A point source is detected at the edge of the diffuse emission
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Curran et al. 2011 :
- IR observations and reanalysis of Swift
- Infra red counterpart to the source discovered KS = 14.03
- Present SED that is consistent with a single power law over
5 order of magnitudes in frequency
- Source not associated to the extended source (CXOU J174453.4-323254)
- Point source likely a blazar seen through the Galactic plane
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Barrière et al. 2014 (ApJ):
- Analysis of a 43 ks XMM-Newton observation
- Extended emission = massive galaxy cluster hidden behind the Galactic plane
- zcluster~0.055
- Confirm bright point source = blazar
- Blazar either a flat spectrum radio quasar or a low freq. peaked BL Lac
- IGR = Galaxy Cluster up to ~ 45 keV and Blazar above
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