Exposure
ID
GRAVI.2021-01-19T02:45:37.877_1
Header ID
GRAVI.2021-01-19T02:45:37.877
Date updated
2021-01-19 03:01:17 UTC+0000
Release date
2021-01-19 02:45:37 UTC+0000
UTC Start
2021-01-19 02:45:37.877
UTC End
2021-01-19 02:50:37.877
MJD Start
59233.11502172
MJD End
59233.1184939422
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.003894
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.71
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 82.9440 82.1820 116.9000 117.3000
A0-J2 123.8760 122.9940 93.4000 93.4000
A0-J3 132.1750 132.2980 50.5430 50.6400
G1-J2 58.2260 58.2020 58.6000 58.7000
G1-J3 124.7850 125.0180 13.0150 13.5220
J2-J3 93.8000 93.5650 346.6760 347.3510
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 59233.11502172
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 82.944
HIERARCH ESO ISS PBL12 END 82.182
HIERARCH ESO ISS PBLA12 START 116.9
HIERARCH ESO ISS PBLA12 END 117.3
HIERARCH ESO ISS PBL13 START 123.876
HIERARCH ESO ISS PBL13 END 122.994
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 132.175
HIERARCH ESO ISS PBL14 END 132.298
HIERARCH ESO ISS PBLA14 START 50.543
HIERARCH ESO ISS PBLA14 END 50.64
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.202
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 124.785
HIERARCH ESO ISS PBL24 END 125.018
HIERARCH ESO ISS PBLA24 START 13.015
HIERARCH ESO ISS PBLA24 END 13.522
HIERARCH ESO ISS PBL34 START 93.8
HIERARCH ESO ISS PBL34 END 93.565
HIERARCH ESO ISS PBLA34 START 346.676
HIERARCH ESO ISS PBLA34 END 347.351
HIERARCH ESO ISS AMBI TAU0 START 0.0039
HIERARCH ESO ISS AMBI TAU0 END 0.003888
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.72