Exposure
ID
GRAVI.2021-01-19T04:04:14.074_1
Header ID
GRAVI.2021-01-19T04:04:14.074
Date updated
2021-01-19 04:16:07 UTC+0000
Release date
2021-01-19 04:04:14 UTC+0000
UTC Start
2021-01-19 04:04:14.074
UTC End
2021-01-19 04:09:14.074
MJD Start
59233.16960734
MJD End
59233.1730795622
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.006023
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.575
Observation
ID
46034
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
34656
Name
HD_31807
RA
74.694935
DEC
-0.96095
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 68.5830 67.4300 122.7000 123.4000
A0-J2 105.1720 103.4180 93.8000 93.9000
A0-J3 130.2900 129.8510 50.3000 50.1610
G1-J2 55.9750 55.6530 57.5000 57.4000
G1-J3 127.5860 127.8570 19.4710 19.8320
J2-J3 90.3670 90.3130 357.0170 357.7900
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 59233.16960734
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 31807
HIERARCH ESO INS SOBJ NAME HD_31807
RA 74.694935
DEC -0.96095
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 68.583
HIERARCH ESO ISS PBL12 END 67.43
HIERARCH ESO ISS PBLA12 START 122.7
HIERARCH ESO ISS PBLA12 END 123.4
HIERARCH ESO ISS PBL13 START 105.172
HIERARCH ESO ISS PBL13 END 103.418
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 130.29
HIERARCH ESO ISS PBL14 END 129.851
HIERARCH ESO ISS PBLA14 START 50.3
HIERARCH ESO ISS PBLA14 END 50.161
HIERARCH ESO ISS PBL23 START 55.975
HIERARCH ESO ISS PBL23 END 55.653
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 127.586
HIERARCH ESO ISS PBL24 END 127.857
HIERARCH ESO ISS PBLA24 START 19.471
HIERARCH ESO ISS PBLA24 END 19.832
HIERARCH ESO ISS PBL34 START 90.367
HIERARCH ESO ISS PBL34 END 90.313
HIERARCH ESO ISS PBLA34 START 357.017
HIERARCH ESO ISS PBLA34 END 357.79
HIERARCH ESO ISS AMBI TAU0 START 0.006419
HIERARCH ESO ISS AMBI TAU0 END 0.005627
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.6