Exposure
ID
MIDI.2009-11-05T03:23:20.013_1
Header ID
MIDI.2009-11-05T03:23:20.013
Date updated
2010-11-30 09:20:26 UTC+0000
Release date
2009-11-05 03:23:20 UTC+0000
UTC Start
2009-11-05 03:23:20.013
UTC End
2009-11-05 03:23:35.853
MJD Start
55140.14120385
MJD End
55140.1413871833
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.0031055
Ambient temperature (°C)
12.37
Seeing (arcsec)
0.775
Observation
ID
22523
Category
calibrator
Program ID
60.A-9006(A)
Program Title
MIDI CALIBRATORS
Program Type
Normal
PI / COI
MIDI TEAM
Target
ID
16874
Name
alf-Ari
RA
31.793568
DEC
23.46217
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
U1 U2
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 39.2700 39.5450 33.7000 34.0000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9006(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE TRACK,OBJECT,DISPERSED
MJD-OBS 55140.14120385
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf-Ari
RA 31.793568
DEC 23.46217
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 39.27
HIERARCH ESO ISS PBL12 END 39.545
HIERARCH ESO ISS PBLA12 START 33.7
HIERARCH ESO ISS PBLA12 END 34.0
HIERARCH ESO ISS AMBI TAU0 START 0.003088
HIERARCH ESO ISS AMBI TAU0 END 0.003123
HIERARCH ESO ISS AMBI TEMP 12.37
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.77