Update VItamin and Bilby with Different Noises authored by Wei Changfeng's avatar Wei Changfeng
......@@ -2,23 +2,41 @@
## (1) VItamin
we use No.5 signal with mass ratio q = 8.
As we can see, the posteriors are similar.
Fig.1 No.5 signal with mass ratio q = 8, random seed = 100.
![m8_noise100](uploads/e2fb2f0ac00d01d20a24378ce0ed892d/m8_noise100.png)
Fig.2 No.5 signal with mass ratio q = 8, random seed = 1000.
![m8_noise1000](uploads/f6e7f87f3fab6ffebafb2801e4ad5d92/m8_noise1000.png)
Fig.3 No.5 signal with mass ratio q = 8, random seed = 10000.
![m8_noise10000](uploads/c74ac962905f75d21c0c61a7b2ef80ce/m8_noise10000.png)
## (2) Bilby
### (i) No.5 signal
We use spinning BBH template to do PE run on No.5 signal with mass ratio q = 8.
We use spinning BBH template to do PE run on No.5 signal with mass ratio q = 8. Fig.4 and Fig.5 have totally the same parameters and noise, just to verify the stability of Bilby's results. To my surprise, it changes a lot.
Fig.4 No.5 signal with mass ratio q = 8, random seed = 100.
![m8_nosie100_bilby](uploads/13d9ab584142aa7048c6276c1ed054d5/m8_nosie100_bilby.png)
Fig.5 No.5 signal with mass ratio q = 8, random seed = 100.
![m8_nosie100_bilby_re](uploads/38ac848f35d534a461d23a6e26e2e0fc/m8_nosie100_bilby_re.png)
Fig.6 No.5 signal with mass ratio q = 8, random seed = 1000.
![m8_nosie1000_bilby](uploads/ac8742125fd8bcb208f3787d204fc72e/m8_nosie1000_bilby.png)
Fig.7 No.5 signal with mass ratio q = 8, random seed = 10000.
![m8_nosie10000_bilby](uploads/4ac8ded894e492b89068bb39395d32b6/m8_nosie10000_bilby.png)
### (ii) No.2 signal
We use spinning BBH template to do PE run on No.2 signal with mass ratio q = 1.
We also use spinning BBH template to do PE run on No.2 signal with mass ratio q = 1.
As we can see, the posteriors are similar, while there is a little difference. The distance isn't estimated accurately.
Fig.8
![encounter_01](uploads/38b5aa3713e8e4004543ac99c8f5a0d2/encounter_01.png)
Fig.9
![encounter_02](uploads/521ffdb32b44756d093bf28baadc88d5/encounter_02.png)
Fig.10
![encounter_03](uploads/e33a51b2d908ef0d07fda615c8a8bc2c/encounter_03.png)
# 2. BBH
## (1) Bilby
First, we produce a high mass BBH signal. m1=89, m2=60, distance=3000, to see how it performs with different noises in Bilby.
As we can see, the posteriors are similar, while there is a little difference. The distance isn't estimated accurately.
As we can see, the posteriors are similar, while there is a little difference. The distance isn't estimated accurately. Fig.4 and Fig.5 have totally the same parameters and noise, just to verify the stability of Bilby's results.
Fig.11
![BBH_01](uploads/7af45ba819be2a61da0fbdd5a7b5b5a9/BBH_01.png)
Fig.12
![BBH_02](uploads/2354af5cb889d07f0ee9eeb3ae8e053d/BBH_02.png)
Fig.13
![BBH_03](uploads/03080d4b3ca4207abd7f54ab973d385e/BBH_03.png)