Difference between revisions of "Noise models and sky fractions for WAFTT"

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===Minimum elevation: 50 degrees===
 
===Minimum elevation: 50 degrees===
  
Effective sky fraction (for noise) before galactic cut:    51.6%
 
  
Effective sky fraction (for noise) after 10% galactic cut: 47%
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! Galactic cut (in %) !!  0 !! 10 !!  20 !!  30
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|Effective sky fraction for noise (in %)||51||47||40||34||
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|Effective sky fraction for signal (in %)||47||43||37||31||
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Effective sky fraction (for noise) after 20% galactic cut: 40%
 
 
Effective sky fraction (for noise) after 30% galactic cut: 34%
 
  
 
{| class="wikitable" style="text-align: right; margin-left: 51px;"
 
{| class="wikitable" style="text-align: right; margin-left: 51px;"

Revision as of 14:39, 16 January 2019

Minimum elevation: 50 degrees

Galactic cut (in %) 0 10 20 30
Effective sky fraction for noise (in %) 51 47 40 34
Effective sky fraction for signal (in %) 47 43 37 31


Frequency (GHz) 20 27 39 93 145 225 280
white noise level TT (uK-arcmin) 52.6 17.7 9.9 1.7 1.7 5.3 12.7
ell knee TT 449 409 378 1245 4440 4358 4397
1/f exponent TT (uK-arcmin) -3.5 -3.5 -3.5 -3.0 -2.3 -3.4 -3.4
white noise level E/B (uK-arcmin) 74.4 25.0 14.0 2.4 2.4 7.6 18.0
ell knee E/B 700 467 467 467 467 467 467
1/f exponent E/B (uK-arcmin) -1.4 -1.1 -1.1 -1.1 -1.1 -1.1 -1.1
Penalty (relative to f_sky scaling) 1.00 1.00 1.00 1.00 1.00 1.00 1.00

Minimum elevation: 40 degrees

Effective sky fraction (for noise) before galactic cut: 63.6%

Effective sky fraction (for noise) after 10% galactic cut: 58%

Effective sky fraction (for noise) after 20% galactic cut: 51%

Effective sky fraction (for noise) after 30% galactic cut: 44%

Frequency (GHz) 20 27 39 93 145 225 280
white noise level TT (uK-arcmin) 58.0 19.6 10.9 1.8 1.9 6.1 14.6
ell knee TT 480 435 401 1327 4666 4519 4531
1/f exponent TT (uK-arcmin) -3.5 -3.5 -3.4 -3.1 -2.3 -3.4 -3.4
white noise level E/B (uK-arcmin) 82.0 27.7 15.5 2.6 2.7 8.6 20.6
ell knee E/B 700 467 467 467 467 467 467
1/f exponent E/B (uK-arcmin) -1.4 -1.1 -1.1 -1.1 -1.1 -1.1 -1.1
Penalty (relative to f_sky scaling) 0.99 1.00 0.99 1.00 1.00 1.02 1.03

Minimum elevation: 30 degrees

Effective sky fraction (for noise) before galactic cut: 71.3%

Effective sky fraction (for noise) after 10% galactic cut: 65%

Effective sky fraction (for noise) after 20% galactic cut: 57%

Effective sky fraction (for noise) after 30% galactic cut: 50%

Frequency (GHz) 20 27 39 93 145 225 280
white noise level TT (uK-arcmin) 61.4 20.8 11.6 2.0 2.0 6.7 16.3
ell knee TT 517 465 429 1416 4853 4660 4639
1/f exponent TT (uK-arcmin) -3.5 -3.4 -3.4 -3.1 -2.4 -3.4 -3.4
white noise level E/B (uK-arcmin) 86.8 29.4 16.4 2.8 2.9 9.5 23.0
ell knee E/B 700 467 467 467 467 467 467
1/f exponent E/B (uK-arcmin) -1.4 -1.1 -1.1 -1.1 -1.1 -1.1 -1.1
Penalty (relative to f_sky scaling) 0.99 1.00 1.00 1.00 1.02 1.07 1.09