70 Micron Coarse Scale Backgrounds


13.1% falls on central pixel, 8Jy=saturation

1.94x10^6 p/sec/pix is the saturation flux arriving at the telescope

70mm        
Telescope T photons/ Watts/ photons/ Pt. Source*=
  cm^2*sec*sr cm^2*sr sec/pixel Bkgnd (Jy)
100 1.44E+15 6.47E-06 1.62E+10 6.69E+04
75 7.44E+14 3.21E-06 8.38E+09 3.46E+04
50 2.00E+14 8.01E-07 2.25E+09 9.28E+03
45 1.29E+14 5.06E-07 1.45E+09 5.99E+03
40 7.46E+13 2.85E-07 8.40E+08 3.47E+03
35 3.70E+13 1.37E-07 4.17E+08 1.72E+03
30 1.46E+13 5.17E-08 1.64E+08 6.77E+02
29 1.16E+13 4.10E-08 1.31E+08 5.41E+02
28 9.15E+12 3.19E-08 1.03E+08 4.25E+02
27 7.07E+12 2.44E-08 7.96E+07 3.29E+02
26 5.36E+12 1.83E-08 6.03E+07 2.49E+02
25 3.97E+12 1.34E-08 4.47E+07 1.84E+02
24 2.87E+12 9.57E-09 3.23E+07 1.33E+02
23 2.02E+12 6.65E-09 2.27E+07 9.37E+01
22 1.37E+12 4.47E-09 1.55E+07 6.39E+01
21 9.03E+11 2.90E-09 1.02E+07 4.20E+01
20 5.69E+11 1.80E-09 6.40E+06 2.64E+01
19 3.42E+11 1.07E-09 3.85E+06 1.59E+01
18 1.94E+11 5.97E-10 2.19E+06 9.03E+00
17 1.03E+11 3.13E-10 1.16E+06 4.81E+00
16 5.09E+10 1.52E-10 5.73E+05 2.37E+00
15 2.29E+10 6.70E-11 2.57E+05 1.06E+00
14 9.17E+09 2.64E-11 1.03E+05 4.26E-01
13 3.21E+09 9.08E-12 3.61E+04 1.49E-01
12 9.43E+08 2.63E-12 1.06E+04 4.38E-02
11 2.23E+08 6.11E-13 2.51E+03 1.04E-02
10 3.98E+07 1.07E-13 4.48E+02 1.85E-03
9 4.88E+06 1.30E-14 5.50E+01 2.27E-04
8 3.58E+05 9.38E-16 4.03E+00 1.66E-05
7 1.26E+04 3.28E-17 1.42E-01 5.88E-07
6.5 1.63E+03 4.20E-18 1.83E-02 7.57E-08
6 1.50E+02 3.84E-19 1.69E-03 6.96E-09
5.5 9.00E+00 2.30E-20 1.01E-04 4.18E-10


Last Updated on 2/21/01
By Marcia Rieke