7 NUMERICAL COMPUTATION 49dm(n).sys = 1dm(n).nc = wfs(0).nx+1dm(n).pixpa = wfs(0).pixpsdm(n).alt = 0.dm(n).coupling = 0.2dm(n).th = 0.25dm(n).thx = 0.0dm(n).initc = 1.dm(n).clev = 4.dm(n).clim = 0.02dm(n).xcg = 0.75dm(n).xact = 1n=1dm(n).type = ’zer’dm(n).class = ’null’dm(n).sys = 2dm(n).nc = 2dm(n).alt = 0.dm(n).initc = 1.dm(n).xact = 0; Wavefront <strong>reconstruction</strong>nrec = 2rec = replicate({rec},nrec)n=0rec(n).sys = 1rec(n).cond = 10.rec(n).map = 1rec(n).pcg = 1rec(n).etol = 1.e-5rec(n).alpha = 0.01rec(n).gain = 0.5rec(n).cl = 1n=1rec(n).sys = 2rec(n).cond = 10.rec(n).map = 0rec(n).pcg = 0rec(n).etol = 1.e-5rec(n).alpha = 0.1rec(n).gain = 0.5rec(n).cl = 1save,sim,atm,wfs,dm,rec,filename=sim.dir+sim.name+’_pinit.sav’end
A DATA SETS 50AData setsBetween 2007-12-10 and 2008-08-11 we collected data on the K2 <strong>AO</strong> system with the narrow-field NIRC2 camera,as summarized in table 2.Date Time Mode Purpose Comment2007-12-10 2h bench Noise model validation Collected data <strong>for</strong> range of frame rate, SNR and gains2008-01-16 3h sky Bright NGS, r 0 est. Open/closed loop NIRC2+ACAM; good conditions2008-04-22 2h sky Bright NGS, on-axis NIRC2+ACAM; bad conditions2008-04-28 2h bench Noise model validation DLM script2008-05-06 2h bench Noise model validation same as 4/28 + Jcont and Hcont2008-07-17 3h sky Bright NGS, on-axis ∼2h bad seeing; 30 minutes of data2008-08-11 3h sky NGS Bright+faint, off-axis; DLM scriptTable 2: K2 <strong>AO</strong>+NIRC2 narrow field camera data collected <strong>for</strong> <strong>PSF</strong> <strong>reconstruction</strong> prototyping and testing.Observation logs2008-01-16008 07 19 10.235 -04 58 7.12 2000.0 vmag=12.12 b-v=0.65009 07 15 14.085 +35 04 53.88 2000.0 vmag=12.05 b-v=0.50010 07 19 11.884 +15 11 59.51 2000.0 vmag=12.04 b-v=0.36011 09 18 57.766 +14 49 57.11 2000.0 vmag=12.18 b-v=0.32012 10 16 20.905 -05 13 2.81 2000.0 vmag=12.29 b-v=0.53013 10 16 48.640 +34 55 15.22 2000.0 vmag=12.26 b-v=0.47014 11 22 4.913 +15 07 21.18 2000.0 vmag=12.10 b-v=0.56015 13 19 39.396 +15 35 3.77 2000.0 vmag=12.18 b-v=0.63016 13 19 59.257 -04 46 22.08 2000.0 vmag=12.12 b-v=0.32017 13 19 44.853 +34 53 15.13 2000.0 vmag=12.06 b-v=0.40018 15 18 27.001 +14 46 20.72 2000.0 vmag=12.01 b-v=0.72019 16 18 29.111 -05 42 33.79 2000.0 vmag=12.03 b-v=0.39020 16 16 30.365 +34 50 50.59 2000.0 vmag=12.29 b-v=0.64021 17 18 39.502 +15 01 16.67 2000.0 vmag=12.10 b-v=0.54/sdata903/nirc6/2008jan17b/Star #011 (250 Hz)ti 0.5 / 10 co / KpAcam NIRC2#33,34 - 0.9"/0.9" #6 - 0.505/0.371 TT#35,36 - #7 - TT-------------------Changed to 500 Hz (~275 counts avg.)DM_gain = 0.5, TT_gain = 0.5ACAM #40,41,42 (DMTT), 43,44,45 (TT)N2 #10 (TT) (30 s: 10s x 2 coadds)ACAM #46,47,48 (DMTT), 49,50,51 (TT)N2 #11ACAM #52,53,54 (DMTT), 55,56,57 (TT)N2 #12ACAM #58,59,60 (DMTT), 61,62,63 (TT)N2 #13 (TT)
Change language