Exposure
ID
MIDI.2008-12-30T00:25:28.013_1
Header ID
MIDI.2008-12-30T00:25:28.013
Date updated
2011-07-14 23:44:41 UTC+0000
Release date
2008-12-30 00:25:28 UTC+0000
UTC Start
2008-12-30 00:25:28.013
UTC End
2008-12-30 00:25:43.853
MJD Start
54830.01768533
MJD End
54830.0178686633
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.003998
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.82
Observation
ID
20448
Category
calibrator
Program ID
60.A-9006(A)
Program Title
MIDI CALIBRATORS
Program Type
Normal
PI / COI
MIDI TEAM
Target
ID
15744
Name
alf-Ari
RA
31.793872
DEC
23.46219
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
E0 G0
Projected baselines
Baseline Length start Length end Angle start Angle end
E0-G0 15.6540 15.6920 76.3000 76.0000
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 54830.01768533
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf-Ari
RA 31.793872
DEC 23.46219
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 E0
HIERARCH ESO ISS CONF STATION2 G0
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 15.654
HIERARCH ESO ISS PBL12 END 15.692
HIERARCH ESO ISS PBLA12 START 76.3
HIERARCH ESO ISS PBLA12 END 76.0
HIERARCH ESO ISS AMBI TAU0 START 0.003915
HIERARCH ESO ISS AMBI TAU0 END 0.004081
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.8