Maximum Entropy Images of Cygnus Region

1
Maximum Entropy Images of Cygnus Region
Revolution 11 hexagonal pointing
pattern, 63000 sec Fully coded field-of-view
25-100 keV
100-200 keV
d
Cyg X-3
40
35
Cyg X-1
30
305 300 295
305 300 295
a
a
Cyg X-1 200 s Cyg X-3 5s
A. Strong, MPE, 9 Dec 2002
2
Maximum Entropy Images of Cygnus Region
INTEGRAL/SPI Revolution 11
zero coded field-of-view
25-100 keV
200-400 keV
A. Strong, MPE, 9 Dec 2002
3
Maximum entropy image Revolution 15, staring
pointing, multiples only
Hard test, since cannot determine background from
dithering background taken from empty field'
revolution 12
d 40 35 30
Cyg X-1
305 300 295 a
A. Strong, MPE, 9 Dec 2002
4
Revolution 19 5 X 5 pointing pattern first
light data from 9 Dec, 37 pointings Maximum
entropy image, 200-400 keV, multiples
only background from empty field' rev 0012
d 50 40 30 20
Pointings
306 300 298 296
320 310 300 290 280
a
A. Strong, MPE, 10 Dec 2002
5
Maximum Entropy Cygnus
Revolution 11 Galactic Coordinates
25-100 keV
10
Cyg X-1
Galactic Latitude
0
Cyg X-3
-10
80 70 60 Galactic
Longitude
A. Strong, MPE, 26 Nov 2002