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322 discussions

Re: [Bicep2-list] posting: spectral jack with r=0.02 systematic

by Clem Pryke

Hi Sarah, In your post it says: > type8=type7+0.2*type4 That's not right is it - the power spectrum scales with r but the map scales as sqrt(r) - so for r=0.02 you want type7+0.4472*type4 don't you? Clem -- ********************************************************************** Clem Pryke - Associate Professor - Physics University of Minnesota, Room 313 Tate, 116 Church Street S.E. Minneapolis, MN, 55455 Tel: 612-624-7578 Fax: 612-624-4578 email: pryke(a)physics.umn.edu **********************************************************************

10 years, 8 months

Instrument paper draft for review

by Walt Ogburn

Hi all, I'd like to open up the current draft of the instrument paper for review and comments by the group. http://bicep0.caltech.edu/~bicep2/papers/2013_instrument/instr.pdf The outline, to-do items, and change log are here: http://bicep0.caltech.edu/~bicep2/papers/2013_instrument/ All comments, are welcome. Comments on the scope, outline and suggestions for figures would be great. - Walt

10 years, 8 months

posting: spectral jack with r=0.02 systematic

by Sarah Stokes Kernasovskiy

Hi, I just put up a posting showing that the spectral jack is insensitive to a r=0.02 systematic. The shift of sum of the bpdevs from adding a r=0.02 signal to BICEP2 but not Keck was only 0.3. http://bicep.caltech.edu/~spuder/analysis_logbook/analysis/20131022_r0p02_s… -Sarah

10 years, 8 months

Ways to fail the spectral jack

by Walt Ogburn

Hi everyone, I have a posting with some thoughts about what it means to fail the spectral jack: http://bicep0.caltech.edu/~spuder/analysis_logbook/analysis/20131016_spectr… I find that adding BB power in the signal+noise sims somewhat reduces the significance of the BICEP2/Keck and BICEP2/rx1 spectral jack failures. In order to increase the error bars enough to formally pass the jack, the BB power would have to be much larger than r=0.1. We should also think about whether there are known systematics that can cause a failure of this jack, and in particular whether there are systematics that can cause the spectral jack to fail without necessarily implying that the bottom line for r is untrustworthy. - Walt

10 years, 8 months

Posting: 2-point correlation maps: Fourier domain

by Sergi R. Hildebrandt

Hi All, I have re-written the idea to (strictly) follow the actual Fourier domain conventions in the BICEP2/Keck data processing. I have run a first application to real data and sims. http://bicep.caltech.edu/~spuder/analysis_logbook/analysis/20131022_xcorr_f… Sergi

10 years, 8 months

Posting:Rev 2 Composite beam map noise level and deprojection coefficient

by Chin Lin Wong

Hi I've put up a short posting describing the rev2 composite beam map noise levels, and the deprojection coefficients from the rev2 beam map sims. http://bmode.caltech.edu/~spuder/analysis_logbook/analysis/20131022_composi… Chin Lin

10 years, 8 months

bicepfs1 getting slammed

by Bischoff, Colin

hi all, Someone or something is hitting bicepfs1 really hard. http://status.rc.fas.harvard.edu/ganglia/harvard_storage/graph_all_periods.… If you have jobs that are doing this, please stop them. -colin

10 years, 8 months

posting: abscal by tile

by Sarah Stokes Kernasovskiy

Hi all, I put up a postings on Friday with Keck maps with the abscal applied by tile. The dk jackknife in T is reduced, but many other TT jackknife failure are not fixed. http://bicep.caltech.edu/~spuder/keck_analysis_logbook/analysis/20131018_ab… Sarah

10 years, 8 months

Posting: Satcom: CMB tags with transmitter on

by Walt Ogburn

I've posted a CSV file flagging CMB tags that are likely to have the GOES transmitter on. This includes the scheduled GOES passes (selected by LST) and the accidental-on periods (selected based on our data). http://bicep0.caltech.edu/~spuder/analysis_logbook/analysis/20131018_satcom… - Walt

10 years, 8 months

Re: [Bicep2-list] Posting: Per-pair galactic map consistency parameter

by Clem Pryke

Hi Walt, It looks to me that this would also be an excellent way to probe for consistency of the pairmaps going into the CMB coadds. Is that right? Clem -- ********************************************************************** Clem Pryke - Associate Professor - Physics University of Minnesota, Room 313 Tate, 116 Church Street S.E. Minneapolis, MN, 55455 Tel: 612-624-7578 Fax: 612-624-4578 email: pryke(a)physics.umn.edu **********************************************************************

10 years, 8 months

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