Exposure
ID
GRAVI.2021-01-19T03:52:53.046_1
Header ID
GRAVI.2021-01-19T03:52:53.046
Date updated
2021-01-19 04:05:49 UTC+0000
Release date
2021-01-19 03:52:53 UTC+0000
UTC Start
2021-01-19 03:52:53.046
UTC End
2021-01-19 03:57:53.046
MJD Start
59233.16172507
MJD End
59233.1651972922
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.005712
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.68
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 71.0000 69.8860 121.4000 122.0000
A0-J2 108.7510 107.1180 93.7000 93.7000
A0-J3 131.0980 130.7450 50.5460 50.4410
G1-J2 56.5970 56.3190 57.9000 57.7000
G1-J3 126.9970 127.2730 18.6570 19.0420
J2-J3 90.5350 90.4480 355.3650 356.1350
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 59233.16172507
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 71.0
HIERARCH ESO ISS PBL12 END 69.886
HIERARCH ESO ISS PBLA12 START 121.4
HIERARCH ESO ISS PBLA12 END 122.0
HIERARCH ESO ISS PBL13 START 108.751
HIERARCH ESO ISS PBL13 END 107.118
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 131.098
HIERARCH ESO ISS PBL14 END 130.745
HIERARCH ESO ISS PBLA14 START 50.546
HIERARCH ESO ISS PBLA14 END 50.441
HIERARCH ESO ISS PBL23 START 56.597
HIERARCH ESO ISS PBL23 END 56.319
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 126.997
HIERARCH ESO ISS PBL24 END 127.273
HIERARCH ESO ISS PBLA24 START 18.657
HIERARCH ESO ISS PBLA24 END 19.042
HIERARCH ESO ISS PBL34 START 90.535
HIERARCH ESO ISS PBL34 END 90.448
HIERARCH ESO ISS PBLA34 START 355.365
HIERARCH ESO ISS PBLA34 END 356.135
HIERARCH ESO ISS AMBI TAU0 START 0.005447
HIERARCH ESO ISS AMBI TAU0 END 0.005977
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.67