Exposure
ID
MIDI.2009-02-17T00:46:53.013_1
Header ID
MIDI.2009-02-17T00:46:53.013
Date updated
2011-07-15 00:50:27 UTC+0000
Release date
2009-02-17 00:46:53 UTC+0000
UTC Start
2009-02-17 00:46:53.013
UTC End
2009-02-17 00:47:08.853
MJD Start
54879.03255802
MJD End
54879.0327413533
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.002568
Ambient temperature (°C)
9.64
Seeing (arcsec)
1.47
Observation
ID
20790
Category
calibrator
Program ID
082.D-0066(C)
Program Title
THE CIRCUMSTELLAR ENVELOPES OF CLASSICAL AND TYPE II CEPHEIDS AT HIGH ANGULAR RESOLUTION
Program Type
GTO
PI / COI
KERVELLA/ MERAND
Target
ID
15954
Name
HD-31398
RA
74.248525
DEC
33.16611
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
H0 D0
Projected baselines
Baseline Length start Length end Angle start Angle end
H0-D0 63.7460 63.8030 252.8000 252.4000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 082.D-0066(C)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE TRACK,OBJECT,DISPERSED
MJD-OBS 54879.03255802
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD-31398
RA 74.248525
DEC 33.16611
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 H0
HIERARCH ESO ISS CONF STATION2 D0
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 63.746
HIERARCH ESO ISS PBL12 END 63.803
HIERARCH ESO ISS PBLA12 START 252.8
HIERARCH ESO ISS PBLA12 END 252.4
HIERARCH ESO ISS AMBI TAU0 START 0.002902
HIERARCH ESO ISS AMBI TAU0 END 0.002234
HIERARCH ESO ISS AMBI TEMP 9.64
HIERARCH ESO ISS AMBI FWHM START 1.28
HIERARCH ESO ISS AMBI FWHM END 1.66