2011-06-16 (UT) ========== Program: CL4 (YSOs, PI: Kraus et al.) Observers: Fabien Baron, PJ Goldfinger, FLUOR team B1 B2 B3 ---------- E1 W1 W2 (W1=REF) (S1S2E1E2W1W2: 4-5-1-3-1-5) CLIMB on beam 1,2,3 LT - 20:30 *** E1W1W2, W1=ref. start: weather clear,, humidity 40-60% and r0 = 2-3 cm at first then humidity spiked, closed till 1:40 LT. scan length LONG trying Wr 140 , cal 193369 1:55 HD 192985 (check if saturation when reducing. hard to tell with NIRO !) 1000/NONDEST/HALF -700 / -1560 counts: 40 /50 /40 V: 0.5 / 0.5 / 0.5 2:09 WR 140 -660 / -1530 counts: 25 / 30 / 30 V: 0.24 / 0.22 / 0.31 2:18 -700 / -1560 HD 192985 counts: 40 / 50 / 45 V: 0.49 / 0.49 / 0.43 2:25 -600 / -1490 WR 140 counts: 40 / 50 / 35 V: 0.41/ 0.38 / 0.54 2:35 HD 195556 (replacement cal from searchcal due to delta_mag too large for standard IOTA cal and saturates ) counts: 30 / 40 / 35 V: 0.55 / 0.58 / 0.56 -900 / -1630 2:47 WR 140 -560 / -1490 counts: 35 / 35/ 35 V: 0.39 / 0.38 / 0.14 2:55 HD 192985 -640 / -1520 counts: 35 / 40 / 35 V: 0.49 / 0.43 / 0.45 3:10 WR 140 -580 / -1490 counts: 25 / 35/ 25 V: 0.36 / 0.44 / 0.40 3:20 HD 195556 counts: 35 / 35/ 30 V: 0.45 / 0.54 / 0.54 3:25 WR140 -590 / -1530 counts: 25 / 25/ 20 V: 0.37 / 0.49 / 0.43 lost tip/tilt on B3 (W2) in the middle of the data sequence got it back -650/ -1520 3:43 HD 192985 -830/ -1570 counts: 35 / 30 / 30 V: 0.44 / 0.48 / 0.42 trying MWC 361 3:55 NIRO ALIGN on HD 197950 4:00 scanning for fringes recording at 1000/NONDEST/HALF ---- DO NOT USE -1866/-2300 counts: 25 / 30 / 30 V: 0.64 / 0.43 / 0.48 4:10 -1960/-2290 MWC 361 saturates at this rate retrying at 750 Hz/DEST counts: 50 / 70 / 75 V: 0.14 / 0.24 / 0.15 4:34 HD 197950 750 Hz/DEST -2000 / -2320 counts: 40 / 50 / 50 V: 0.57 / 0.43 / 0.45 4:48 MWC 361 -2070/-2352 counts: 50 / 55 / 50 V: 0.14 / 0.27 / 0.09 4:56 HD 198236 -2200/-2527 countS: 120/130/120 V: 0.47 / 0.47 / 0.47 ---- summary of observations: humidity 40-60% but r0 = 2-3 cm, preventing us from finding fringes on anything. Then humidity spiked and we closed till 1:40 LT. WR140 5 brackets MWC361 2 brackets