2013ApJ...769...17S

Query : 2013ApJ...769...17S

2013ApJ...769...17S - Astrophys. J., 769, 17 (2013/May-3)

Azimuthal structure of the Cyg X-2 X-ray dust halo.

SEWARD F.D. and SMITH R.K.

Abstract (from CDS):

There is little information concerning the azimuthal distribution of X-rays in dust-scattering halos. This paper describes a Chandra observation of the bright source Cyg X-2 designed specifically for this purpose. After measuring and subtracting ~10% instrument effects, we find the scattering halo to be rather uniform with possible fluctuations in the surface brightness of only 2%. Observations and data processing are discussed in detail. Some information about the dust distribution is derived.

Abstract Copyright: ∼

Journal keyword(s): dust, extinction - X-rays: individual: Cyg X-2

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* X Per HXB 03 55 23.0777456088 +31 02 45.039836148 6.090 6.840 6.720     O9.5III 1037 0
2 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
3 V* QV Nor HXB 15 42 23.3633146128 -52 23 09.577395960   16.3 14.5     B0.2Ia 455 1
4 4U 1624-49 LXB 16 28 02.825 -49 11 54.61           ~ 250 0
5 V* HZ Her LXB 16 57 49.8110126616 +35 20 32.486555472 11.90 14.89 13.63 13.88   B3/6ep 2172 0
6 4U 1758-25 LXB 18 01 09.7308060816 -25 04 44.120221284     11.08     ~ 705 1
7 V* V5512 Sgr LXB 18 14 31.3 -17 09 23     12.73     K5III 449 0
8 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 2035 2
9 V* V1341 Cyg LXB 21 44 41.1544345272 +38 19 17.066570988 15.00 15.13 14.68 15.00   A9III 1229 1

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