24 Micron Backgrounds


12.5% falls on central pixel, 6.4 Jy=saturation

1.48x10^6 p/sec/pix is the saturation flux arriving at the telescope

24mm        
Telescope T

photons/

Watts/

photons/

Pt. Source=

  cm^2*sec*sr cm^2*sr sec/pixel Bkgnd (Jy)
100 1.09E+15 8.91E-06 7.50E+08 3.25E+03
75 1.52E+14 1.23E-06 1.04E+08 4.52E+02
50 3.16E+12 2.50E-08 2.18E+06 9.43E+00
45 8.86E+11 6.96E-09 6.11E+05 2.64E+00
40 1.83E+11 1.42E-09 1.26E+05 5.45E-01
35 2.44E+10 1.89E-10 1.68E+04 7.28E-02
30 1.70E+09 1.30E-11 1.17E+03 5.08E-03
29 8.98E+08 6.87E-12 6.19E+02 2.68E-03
28 4.54E+08 3.46E-12 3.13E+02 1.35E-03
27 2.18E+08 1.66E-12 1.50E+02 6.50E-04
26 9.91E+07 7.54E-13 6.83E+01 2.96E-04
25 4.24E+07 3.22E-13 2.92E+01 1.27E-04
24 1.69E+07 1.28E-13 1.17E+01 5.05E-05
23 6.26E+06 4.73E-14 4.31E+00 1.87E-05
22 2.12E+06 1.60E-14 1.46E+00 6.31E-06
21 6.47E+05 4.87E-15 4.46E-01 1.93E-06
20 1.76E+05 1.32E-15 1.21E-01 5.25E-07
19 4.19E+04 3.14E-16 2.89E-02 1.25E-07
18 8.52E+03 6.38E-17 5.88E-03 2.54E-08
17 1.44E+03 1.08E-17 9.95E-04 4.31E-09
16 1.97E+02 1.47E-18 1.35E-04 5.86E-10
15 2.06E+01 1.53E-19 1.42E-05 6.14E-11
14 1.57E+00 1.17E-20 1.08E-06 4.69E-12
13 8.11E-02 6.02E-22 5.59E-08 2.42E-13
12 2.57E-03 1.90E-23 1.77E-09 7.67E-15
11 4.38E-05 3.24E-25 3.02E-11 1.31E-16
10 3.33E-07 2.46E-27 2.29E-13 9.93E-19
9 8.63E-10 6.36E-30 5.95E-16 2.57E-21
8 5.10E-13 3.76E-33 3.52E-19 1.52E-24
7 3.65E-17 2.69E-37 2.52E-23 1.09E-28
6.5 1.03E-19 7.59E-40 7.12E-26 3.08E-31
6 1.10E-22 8.08E-43 7.59E-29 3.28E-34
5.5 3.39E-26 2.49E-46 2.34E-32 1.01E-37


Last Updated on 2/21/01
By Marcia Rieke