2011-06-13 (UT) ========== Program: CL4 (YSOs, PI: Kraus et al.) Observers: Fabien Baron, Chris Farrington, FLUOR team B1 B2 B3 ---------- E1 W1 W2 (W1=REF) (S1S2E1E2W1W2: 4-5-1-3-1-5) CLIMB on beam 1,2,3 LT - 20:50 *** E1W1W2, W1=ref. start: weather clear, humidity 40-65% r0 = 5 cm scan length LONG Late start due to FLUOR trying to tweak the tip/tilt for VEGA. Target MWC 863 (CHARA 187041), Cals: 150698 (and 152429 ?) MOON IS IN THE WAY of CHECK star delta sco MWC 863 cal 150698 NIRO ALIGN 22:10 300/ -2800 22:24 niro realign fast piston, yuck 358/-2750 recording at 500Hz/NONDEST/HALF APERTURE HD 150698 Counts: 40 / 50 / 30 V: 0.33 / 0.42 / 0.45 22:26 250/-2720 22:30 340/-2700 switching to mwc 863 could not find any fringes too faint ?? 22:54 150/-2523 HD 150698 250Hz/DEST/FULL recording the calibrator again counts: 60/60/30 V: 0.41 / 0.46 / 0.35 22:58 60 / -2600 23:01 100/-2500 23:11 -10 / -2460 23:25 recording 2T only (W1W2), anyway lost beam 1, so will only consider 2 and 3 for reduction xx/-2300 counts: 40/25/10 V: xx / 0.27 / xx switching to MWC614 niro align on zet aql ???/-1600 23:50 cal 177305 0:00 ???/-1589 0:13 -400/-1500 recording at 500Hz/NONDEST counts: 50 / 40 / 40 V: 0.45 / 0.51 / 0.46 -273/-1487 switching to MWC614 attempted to record at 500Hz/NONDEST but saturating -278/-1476 0:33 recording at 500Hz/NONDEST/HALF APERTURE counts: 40/ 30/ 25 V: 0.25 / 0.25 / 0.19 0:40 -179/-1420 cal 177305 but this time with HALF APERTURE (for comparison + to close bracket) all the following brackets are also with HALF APERTURE 0:50 -300/-1340 counts: 30 / 30 / 30 V: 0.53 / 0.58 / 0.57 switching to MWC 614 1:04 -380/-1340 problems with tip/tilt, E1 does not lock 1:19 problems solved via t/t comms -330/-1280 counts: 30 / 40 / 40 V: 0.26 / 0.23 / 0.20 1:27 -330 / -1260 switching to cal HD 178568 counts: 20 / 20 / 20 V: 0.55 / 0.55 / 0.60 switching to MWC 614 1:53 -280/-1170 counts: 35 / 35 /35 V:0.26 / 0.25 / 0.20 1:58 -350/-1190 2:11 switching to HD 177305 -310/-1170 counts: 30 / 25/ 25 V: 0.57 / 0.56 / 0.51 trying MWC340 NIRO align on cal HD194708 2:43 scan -500 / -1388 (approx) recording 750Hz/NONDEST counts: 40 / 50 / 40 V: 0.53 / 0.43/ 0.52 2:52 -608/-1470 need to use NSUM = 25 for tip/tilt elevation too high anyway "dbadd HD xxxx " adds the object ot database ------- Fluor object CHARA 320137 cyg OB2 #9 NSUM = 25 cal HD 195647 4:10 -625/-1500 500Hz/DESTRUCT counts: 80 / 80 / 80 V:0.39/0.31/0.32 4:15 -718/-1531 4:39 recording fringes on object counts: 50/ 50/ 50 V: 0.33 / 0.42 / 0.33 4:51 cal HD 202312 -920/-1590 counts: 70 / 70 / 65 V: 0.46 / 0.35 / 0.41 ---- summary of observations: MWC 863 1 bracket (2T only) MWC 614 3 brackets No luck on MWC 340 (close to the zenith + tip/tilt issues + very faint, made tip/tilt lock impossible), may be too hard to do with the current configuration in June. CHARA object 320137 (cyg OB2 #9) 1 bracket for the FLUOR team Tomorrow the targets HD142666, MWCD863 and MWC340 will be prioritized.