Free Access

Table 6

Optical/X-ray photometry.

Epoch log f2500 log f2   keV log 2500 log 2   keV α ox Δαox
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

Dec. 2004 –25.46 –30.46 29.49 24.49 –1.92 –0.52 25.28 –1.68 –0.28
Jun. 2008 –25.39 –30.17 29.56 24.77 –1.84 –0.43 25.31 –1.63 –0.22
Dec. 2008 –25.40 –29.80 29.55 25.15 –1.69 –0.28 25.57 –1.53 –0.12
2009 Long Look –25.30 –30.46 29.64 24.49 –1.98 –0.56 25.26 –1.62 –0.20

Notes. Column (1): epoch of observation. Column (2): 2500   Å rest frame flux density corrected for Galactic extinction. Column (3): 2 keV rest frame flux density corrected for Galactic absorption. Column (4): 2500   Å rest frame luminosity density corrected for Galactic extinction. Column (5): 2 keV rest frame luminosity density corrected for Galactic absorption. Column (6): observed optical-to-X-ray spectral index. Column (7): difference between the observed αox and the one expected on the basis of the 2500 luminosity. Column (8): 2 keV rest frame luminosity density corrected for Galactic and intrinsic absorption. Column (9): optical-to-X-ray spectral index corrected for the intrinsic X-ray absorption. Column (10): difference between the corrected and the one expected on the basis of the 2500 luminosity. Flux densities are in [erg s-1 cm-2 Hz-1], luminosity densities are in [erg s-1 Hz-1].

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.