SLIDE 1
z
Sources at the declination of Cygnus A
Trevor Oxholm July 20, 2018
z
3 primary sources
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Cygnus A: 1.6 kJy
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Source 2: 22.8 Jy
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Source 3: 9.8 Jy
10 20 30 40 50 60 70 80 90 50 100 150 200 250 300 350
Source map
Sources at the z declination of Cygnus A Trevor Oxholm July 20, - - PowerPoint PPT Presentation
Sources at the z declination of Cygnus A Trevor Oxholm July 20, - - PowerPoint PPT Presentation
Sources at the z declination of Cygnus A Trevor Oxholm July 20, 2018 z 3 primary sources Cygnus A: 1.6 kJy Source 2: 22.8 Jy Source 3: 9.8 Jy Source map 90 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 300
SLIDE 2
SLIDE 3
z
Source 2: RA=49.95; dec=41.51
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22.8 Jy
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4 sources contribute 98% of total squared flux
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9 sources contribute 99% of total squared flux
0.965 0.97 0.975 0.98 0.985 0.99 0.995 2 4 6 8 10
Source 2 -- Sources contribution to squared flux
39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 47 48 49 50 51 52 53
Source 2 -- map of sources contributing 99% squared flux
SLIDE 4
z
Source 3: RA=68.152; dec=41.641
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9.8 Jy
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6 sources contribute 95% of total squared flux
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11 sources contribute 98% of total squared flux
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20 sources contribute 99% of total squared flux
0.86 0.88 0.9 0.92 0.94 0.96 0.98 1 5 10 15 20 25
Source 3 -- Sources contribution to squared flux
36 38 40 42 44 46 64 66 68 70 72 74
Source 3 -- map of sources contributing 98% squared flux
37 38 39 40 41 42 43 44 45 46 60 62 64 66 68 70 72 74
Source 3 -- map of sources contributing 99% squared flux
SLIDE 5
z
Other sources
Source 5: (330.68,42.3)
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9.05 Jy (weaker because of distance from Cygnus A’s declination)
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8 sources contribute 95% of total squared flux
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36 sources contribute 98% of total squared flux
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83 sources contribute 99% of total squared flux
Source 4: (250.74,39.8)
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7.10 Jy
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9 sources contribute 95% of total squared flux
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29 sources contribute 98% of total squared flux
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65 sources contribute 99% of total squared flux