about Grigoris Maravelias
Month: <span>October 2012</span>

Month: October 2012

Blank Fields

Stumbled upon a very interesting page by Santos Pedraz Marcos with a collection of standard stars, I found this table of blank fields:   Name RA1950 DE1950 Reference Roeser1 00 16 25.0 +16 09 00 CL 0016+16 Cadis1H 01 45 01.3 +02 05 07 Cadis Blank1 04 25 46.0 +54 …

Transformation factors for X-ray fluxes

In the following tables are given the transformation factors of the fluxes from a specific X-ray energy band to the 0.5-7 band, assuming Gamma 1.7 with Nh 6e20 and 0. Table 1 >>> Gamma Nh   MinE MaxE ModeledFx  Fx_in_0.5-7_band 1.7   6.0E20 2.0  25.0 7.4353E-9  1.524470492137473 1.7   6.0E20 0.1  2.0  2.177E-9   0.44635349756468984 …