EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 512 (March-April 2010) A&A, 512 (2010) A9 Full HTML
Free Access

 

 

Table 1:

Spectral fitting results for Cygnus X-2: 90% confidence errors are shown.

$\;\;$spectrum 		$N_{\rm H}$ kT $norm_{\rm BB}$ $R_{\rm BB}$ $E_{\rm CO}$ $norm_{\rm CPL}$ $\chi^2$/d.o.f.
    (keV)   (km) (keV)    
Horizontal Branch              
1 $1.5\pm 0.6$ $2.31\pm 0.20$ $1.96\pm 0.33$ $2.1\pm 0.4$ $7.29\pm 0.69$ $3.93\pm 0.41$ 66.7/69
2 $2.0\pm 0.5$ $2.37\pm 0.16$ $1.74\pm 0.24$ $1.9\pm 0.3$ $7.00\pm 0.45$ $4.50\pm 0.34$ 77.6/68
3 $2.2\pm 0.5$ $2.20\pm 0.14$ $1.67\pm 0.20$ $2.1\pm 0.3$ $6.90\pm 0.27$ $5.16\pm 0.33$ 64.3/68
4 $2.3\pm 0.5$ $2.20\pm 0.15$ $1.76\pm 0.20$ $2.2\pm 0.3$ $6.70\pm 0.30$ $5.52\pm 0.39$ 82.8/68
5 $2.6\pm 0.5$ $1.99\pm 0.16$ $1.51\pm 0.30$ $2.4\pm 0.5$ $6.68\pm 0.24$ $6.15\pm 0.45$ 73.4/65
Hard Apex              
6 $2.7\pm 0.5$ $1.92\pm 0.15$ $1.60\pm 0.35$ $2.7\pm 0.5$ $6.43\pm 0.22$ $6.71\pm 0.50$ 52.6/55
Normal Branch              
7 $2.6\pm 0.5$ $1.65\pm 0.12$ $1.43\pm 0.50$ $3.5\pm 0.7$ $5.95\pm 0.16$ $7.28\pm 0.60$ 78.4/68
8 $2.4\pm 0.5$ $1.46\pm 0.08$ $1.56\pm 0.60$ $4.7\pm 1.0$ $5.68\pm 0.18$ $7.23\pm 0.72$ 56.8/58
9 $1.9\pm 0.6$ $1.26\pm 0.05$ $2.54\pm 0.75$ $7.9\pm 1.3$ $5.59\pm 0.26$ $6.35\pm 0.85$ 60.3/51
10 $1.6\pm 0.6$ $1.20\pm 0.04$ $2.93\pm 0.75$ $9.5\pm 1.3$ $5.45\pm 0.30$ $6.1\pm 0.9$ 74.1/70
Soft Apex              
11 $0.9\pm 0.6$ $1.19\pm 0.03$ $4.55\pm 0.70$ $12.0\pm 1.1$ $5.41\pm 0.30$ $4.97\pm 0.85$ 53.6/63
Flaring Branch              
12 $0.9\pm 0.9$ $1.22\pm 0.04$ $4.80\pm 1.30$ $11.9\pm 1.0$ $5.53\pm 0.60$ $5.05\pm 1.50$ 47.9/47
13 $0.9\pm 0.9$ $1.31\pm 0.03$ $5.46\pm 0.6$ $10.9\pm 0.8$ $5.72\pm 0.26$ $4.87\pm 0.50$ 58.5/56

Notes. Column densities are in units of 1022 atom cm-2; the normalization of the blackbody is in units of $\rm {10^{37}}$ erg s-1 for a distance of 10 kpc, the cut-off power law normalization is in units of photon cm-2 s-1 keV-1 at 1 keV.


Source LaTeX | All tables | In the text

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.