Exposure
ID
GRAVI.2021-01-19T02:57:04.905_1
Header ID
GRAVI.2021-01-19T02:57:04.905
Date updated
2021-01-19 03:11:09 UTC+0000
Release date
2021-01-19 02:57:04 UTC+0000
UTC Start
2021-01-19 02:57:04.905
UTC End
2021-01-19 03:02:04.905
MJD Start
59233.12297344
MJD End
59233.1264456622
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.003794
Ambient temperature (°C)
13.52
Seeing (arcsec)
0.97
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 81.2520 80.4210 117.7000 118.0000
A0-J2 121.8820 120.8600 93.5000 93.6000
A0-J3 132.3880 132.4190 50.7350 50.7990
G1-J2 58.1460 58.0740 58.7000 58.7000
G1-J3 125.2960 125.5390 14.1020 14.5890
J2-J3 93.3040 93.0920 348.1500 348.8450
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 59233.12297344
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 81.252
HIERARCH ESO ISS PBL12 END 80.421
HIERARCH ESO ISS PBLA12 START 117.7
HIERARCH ESO ISS PBLA12 END 118.0
HIERARCH ESO ISS PBL13 START 121.882
HIERARCH ESO ISS PBL13 END 120.86
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.6
HIERARCH ESO ISS PBL14 START 132.388
HIERARCH ESO ISS PBL14 END 132.419
HIERARCH ESO ISS PBLA14 START 50.735
HIERARCH ESO ISS PBLA14 END 50.799
HIERARCH ESO ISS PBL23 START 58.146
HIERARCH ESO ISS PBL23 END 58.074
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 125.296
HIERARCH ESO ISS PBL24 END 125.539
HIERARCH ESO ISS PBLA24 START 14.102
HIERARCH ESO ISS PBLA24 END 14.589
HIERARCH ESO ISS PBL34 START 93.304
HIERARCH ESO ISS PBL34 END 93.092
HIERARCH ESO ISS PBLA34 START 348.15
HIERARCH ESO ISS PBLA34 END 348.845
HIERARCH ESO ISS AMBI TAU0 START 0.004036
HIERARCH ESO ISS AMBI TAU0 END 0.003552
HIERARCH ESO ISS AMBI TEMP 13.52
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 1.01