Exposure
ID
MIDI.2013-05-28T07:29:52.937_1
Header ID
MIDI.2013-05-28T07:29:52.937
Date updated
2013-05-28 10:01:19 UTC+0000
Release date
2013-05-28 07:29:52 UTC+0000
UTC Start
2013-05-28 07:29:52.937
UTC End
2013-05-28 07:30:08.777
MJD Start
56440.31241825
MJD End
56440.3126015833
Exposure time (s)
15.8
Validation level
1
Tau 0: Coherence time (s)
0.001174
Ambient temperature (°C)
8.27
Seeing (arcsec)
1.755
Observation
ID
28833
Category
calibrator
Program ID
091.D-0042(A)
Program Title
HIGH-RESOLUTION MID-IR STUDY OF THE CIRCUMSTELLAR ENVELOPE OF BRIGHT CLASSICAL CEPHEIDS
Program Type
Normal
PI / COI
GALLENNE/ KERVELLA/ MERAND/ PIETRZYNSKI/ GIEREN
Target
ID
20448
Name
HD168323
RA
274.53224
DEC
23.29688
Instrument
Interferometer
VLTI
Instrument
MIDI
Instrument mode
HIGH_SENS+PRISM
Stations
U1 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U4 127.9440 128.1990 65.4000 65.2000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 091.D-0042(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE TRACK,OBJECT,DISPERSED
MJD-OBS 56440.31241825
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD168323
RA 274.53224
DEC 23.29688
HIERARCH ESO INS OPT1 ID HIGH_SENS
HIERARCH ESO INS GRIS ID PRISM
HIERARCH ESO ISS CONF NTEL 2
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U4
EXPTIME 15.8399993
HIERARCH ESO DET DIT 0.018
HIERARCH ESO DET NDIT 880
HIERARCH ESO ISS PBL12 START 127.944
HIERARCH ESO ISS PBL12 END 128.199
HIERARCH ESO ISS PBLA12 START 65.4
HIERARCH ESO ISS PBLA12 END 65.2
HIERARCH ESO ISS AMBI TAU0 START 0.001242
HIERARCH ESO ISS AMBI TAU0 END 0.001106
HIERARCH ESO ISS AMBI TEMP 8.27
HIERARCH ESO ISS AMBI FWHM START 1.65
HIERARCH ESO ISS AMBI FWHM END 1.86