Exposure
ID
MIDI.2009-02-17T00:41:29.000_1
Header ID
MIDI.2009-02-17T00:41:29.000
Date updated
2011-07-15 00:50:26 UTC+0000
Release date
2009-02-17 00:41:29 UTC+0000
UTC Start
2009-02-17 00:41:29.000
UTC End
2009-02-17 00:42:27.880
MJD Start
54879.02880787
MJD End
54879.0294893515
Exposure time (s)
58.9
Validation level
1
Tau 0: Coherence time (s)
0.002339
Ambient temperature (°C)
9.6
Seeing (arcsec)
1.61
Observation
ID
20789
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+GRISM
Stations
H0 D0
Projected baselines
Baseline Length start Length end Angle start Angle end
H0-D0 63.6840 63.7180 253.1000 252.9000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 082.D-0066(C)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE SEARCH,OBJECT,DISPERSED
MJD-OBS 54879.02880787
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 GRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 H0
HIERARCH ESO ISS CONF STATION2 D0
EXPTIME 58.8799985
HIERARCH ESO DET DIT 0.0256
HIERARCH ESO DET NDIT 2300
HIERARCH ESO ISS PBL12 START 63.684
HIERARCH ESO ISS PBL12 END 63.718
HIERARCH ESO ISS PBLA12 START 253.1
HIERARCH ESO ISS PBLA12 END 252.9
HIERARCH ESO ISS AMBI TAU0 START 0.00214
HIERARCH ESO ISS AMBI TAU0 END 0.002538
HIERARCH ESO ISS AMBI TEMP 9.6
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.46