Exposure
ID
GRAVI.2020-12-09T04:21:00.086_1
Header ID
GRAVI.2020-12-09T04:21:00.086
Date updated
2020-12-09 05:09:02 UTC+0000
Release date
2020-12-09 04:21:00 UTC+0000
UTC Start
2020-12-09 04:21:00.086
UTC End
2020-12-09 04:26:00.086
MJD Start
59192.18125099
MJD End
59192.1847232122
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.004857
Ambient temperature (°C)
13.5
Seeing (arcsec)
0.95
Observation
ID
46033
Category
calibrator
Program ID
106.21LS.001
Program Title
TEMPORAL VARIABILITY OF THE INNER DISK OF HERBIG AE/BE STARS
Program Type
GTO
PI / COI
BERGER/ BENISTY/ LE BOUQUIN/ FLOCK
Target
ID
34655
Name
HD_31439
RA
73.938886
DEC
-2.33768
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.4690 89.1610 114.2000 114.3000
A0-J2 129.2360 129.1970 92.6000 92.6000
A0-J3 127.2740 127.8840 48.0090 48.3080
G1-J2 56.6470 56.8980 57.0000 57.2000
G1-J3 122.5090 122.6370 6.0830 6.6740
J2-J3 97.2750 96.9740 339.2190 339.7470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21LS.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59192.18125099
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 31439
HIERARCH ESO INS SOBJ NAME HD_31439
RA 73.938886
DEC -2.33768
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 89.469
HIERARCH ESO ISS PBL12 END 89.161
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 129.236
HIERARCH ESO ISS PBL13 END 129.197
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.274
HIERARCH ESO ISS PBL14 END 127.884
HIERARCH ESO ISS PBLA14 START 48.009
HIERARCH ESO ISS PBLA14 END 48.308
HIERARCH ESO ISS PBL23 START 56.647
HIERARCH ESO ISS PBL23 END 56.898
HIERARCH ESO ISS PBLA23 START 57.0
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 122.509
HIERARCH ESO ISS PBL24 END 122.637
HIERARCH ESO ISS PBLA24 START 6.083
HIERARCH ESO ISS PBLA24 END 6.674
HIERARCH ESO ISS PBL34 START 97.275
HIERARCH ESO ISS PBL34 END 96.974
HIERARCH ESO ISS PBLA34 START 339.219
HIERARCH ESO ISS PBLA34 END 339.747
HIERARCH ESO ISS AMBI TAU0 START 0.004696
HIERARCH ESO ISS AMBI TAU0 END 0.005018
HIERARCH ESO ISS AMBI TEMP 13.5
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95