Exposure
ID
MIDI.2011-10-06T08:19:35.916_1
Header ID
MIDI.2011-10-06T08:19:35.916
Date updated
2011-10-07 09:09:42 UTC+0000
Release date
2011-10-06 08:19:35 UTC+0000
UTC Start
2011-10-06 08:19:35.916
UTC End
2011-10-06 08:19:51.756
MJD Start
55840.34694347
MJD End
55840.3471268033
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.001983
Ambient temperature (°C)
11.46
Seeing (arcsec)
1.035
Observation
ID
26041
Category
calibrator
Program ID
60.A-9006(A)
Program Title
MIDI CALIBRATORS
Program Type
Normal
PI / COI
MIDI TEAM
Target
ID
18774
Name
alf-Ari
RA
31.793961
DEC
23.46215
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
J3 A1
Projected baselines
Baseline Length start Length end Angle start Angle end
J3-A1 138.1100 138.2970 225.8000 225.5000
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 55840.34694347
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf-Ari
RA 31.793961
DEC 23.46215
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 J3
HIERARCH ESO ISS CONF STATION2 A1
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 138.11
HIERARCH ESO ISS PBL12 END 138.297
HIERARCH ESO ISS PBLA12 START 225.8
HIERARCH ESO ISS PBLA12 END 225.5
HIERARCH ESO ISS AMBI TAU0 START 0.001918
HIERARCH ESO ISS AMBI TAU0 END 0.002048
HIERARCH ESO ISS AMBI TEMP 11.46
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 1.0