Exposure
ID
GRAVI.2020-12-09T04:32:48.115_1
Header ID
GRAVI.2020-12-09T04:32:48.115
Date updated
2020-12-09 05:09:02 UTC+0000
Release date
2020-12-09 04:32:48 UTC+0000
UTC Start
2020-12-09 04:32:48.115
UTC End
2020-12-09 04:37:48.115
MJD Start
59192.18944578
MJD End
59192.1929180022
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0050835
Ambient temperature (°C)
13.66
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 88.7280 88.3340 114.5000 114.7000
A0-J2 129.0540 128.8620 92.7000 92.8000
A0-J3 128.5880 129.1180 48.6520 48.9120
G1-J2 57.1780 57.3820 57.4000 57.6000
G1-J3 122.8100 122.9630 7.3960 7.9750
J2-J3 96.6050 96.3090 340.4150 340.9710
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 59192.18944578
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 88.728
HIERARCH ESO ISS PBL12 END 88.334
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 129.054
HIERARCH ESO ISS PBL13 END 128.862
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 128.588
HIERARCH ESO ISS PBL14 END 129.118
HIERARCH ESO ISS PBLA14 START 48.652
HIERARCH ESO ISS PBLA14 END 48.912
HIERARCH ESO ISS PBL23 START 57.178
HIERARCH ESO ISS PBL23 END 57.382
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 122.81
HIERARCH ESO ISS PBL24 END 122.963
HIERARCH ESO ISS PBLA24 START 7.396
HIERARCH ESO ISS PBLA24 END 7.975
HIERARCH ESO ISS PBL34 START 96.605
HIERARCH ESO ISS PBL34 END 96.309
HIERARCH ESO ISS PBLA34 START 340.415
HIERARCH ESO ISS PBLA34 END 340.971
HIERARCH ESO ISS AMBI TAU0 START 0.005396
HIERARCH ESO ISS AMBI TAU0 END 0.004771
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95