Exposure
ID
MIDI.2014-11-20T01:34:07.938_1
Header ID
MIDI.2014-11-20T01:34:07.938
Date updated
2014-11-20 01:46:23 UTC+0000
Release date
2014-11-20 01:34:07 UTC+0000
UTC Start
2014-11-20 01:34:07.938
UTC End
2014-11-20 01:34:23.778
MJD Start
56981.06536965
MJD End
56981.0655529833
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.002504
Ambient temperature (°C)
11.59
Seeing (arcsec)
1.04
Observation
ID
31095
Category
calibrator
Program ID
60.A-9006(A)
Program Title
MIDI CALIBRATORS
Program Type
Normal
PI / COI
MIDI TEAM
Target
ID
21769
Name
alf Ari
RA
31.793867
DEC
23.46203
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
C1 B2
Projected baselines
Baseline Length start Length end Angle start Angle end
C1-B2 6.9510 7.0000 207.0000 207.5000
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 56981.06536965
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf Ari
RA 31.793867
DEC 23.46203
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 C1
HIERARCH ESO ISS CONF STATION2 B2
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 6.951
HIERARCH ESO ISS PBL12 END 7.0
HIERARCH ESO ISS PBLA12 START 207.0
HIERARCH ESO ISS PBLA12 END 207.5
HIERARCH ESO ISS AMBI TAU0 START 0.002149
HIERARCH ESO ISS AMBI TAU0 END 0.002859
HIERARCH ESO ISS AMBI TEMP 11.59
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 0.89