UT 17 June 2013
CHARA/CLIMB - CL10 - PI: Millan-Gabet et al.

Observers: Nic, Rafael.

Configuration:

beams 1-2(REF)-3 = W2-W1-E2 POPs 4-1-1: starting configuration
beams 1-2(REF)-3 = S1-W1-E1 POPs 1-2-3: backup configuration

clear, windy

ut 04:00 - local 21:00

check star HD141853
NIRO ALIGN
offsets: cannot find fringes on either baseline... weird.

change star
took a long time to get fringes...
turned out to be terrible seeing...

check star HD139329
NIRO ALIGN
-2600um / -650um
-2500um / -700um

NIRO 500Hz

22:25
cal HD141937
-2400um / -500um
still very bad seeing...
not really worth taking data even on the calibrator...
counts ~ 30
saved some data, take a look at target now

23:00
trg HD142666
-2400um / -775um
counts ~ 20, but had to change to NIRO 250Hz
crap ... not saving data ...

hd142666 is not going to work tonight...
switch target

NIRO 500Hz / MEDSCAN / DEST

23:55
cal HD163955
-3000um / -700um
counts ~ 70
saving data

00:15
trg mwc275
can see the W1W2 fringe (barely) - still bad seeing...

go back to cal wait for seeing to improve...

00:20
cal HD163955
watching the fringes for improving seeing...

try mwc361

NIRO 750Hz / MEDSCAN / DEST

01:30
cal HD201636
NIRO ALIGN
-3500um / -800um

02:30
trg mwc361 = HD200775

02:35
cal HD201636
-3400um / -800um

02:45
trg mwc361
-3200um / -550um

02:50
cal HD202719
-3200um / -600um

change to:
NIRO 750Hz / MEDSCAN / DEST

03:00
cal HD202719
-3200um / -600um

03:05
trg mwc361

03:10
cal HD201636
-3200um / -650um

03:15
trg mwc361
-3000um / -460um

03:20
cal HD202719
-3100um / -630um

03:30
trg mwc361

??
cal HD201636

03:45
trg mwc361

03:55
cal HD202719

move REF
NIRO ALIGN

04:00
cal HD202719

04:06
trg mwc361
-2900um / -600um
w2 lost tip/tilt during last few foregrounds

04:15
cal HD201636
going thru transit... lost tip/tilt for some scans.

done.

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Summary:

W2-W1-E2
tried hd142666 but seeing horrific.
tried mwc275 but seeing horrific.
mwc361: 7 brackets.
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