Exposure
ID
GRAVI.2023-05-19T06:10:46.823_1
Header ID
GRAVI.2023-05-19T06:10:46.823
Date updated
2023-05-19 06:23:05 UTC+0000
Release date
2024-05-19 06:23:05 UTC+0000
UTC Start
2023-05-19 06:10:46.823
UTC End
2023-05-19 06:16:46.823
MJD Start
60083.25748638
MJD End
60083.2616530467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045465
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.535
Observation
ID
55486
Category
science
Program ID
111.252S.001
Program Title
PROBING THE ORIGIN OF THE INNER DISK PHOTOMETRIC VARIABILITY OF HD 169142
Program Type
GTO
PI / COI
BERGER/ BENISTY/ BOURDAROT/ WOILLEZ/ LE BOUQUIN/ ROUSSELET-PERRAUT/ MATTER
Target
ID
41075
Name
HD_169142
RA
276.12407
DEC
-29.78057
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.9150 66.3250 262.7000 263.5000
K0-D0 93.7800 94.1900 241.8000 242.7000
K0-J3 55.2540 55.4100 326.0180 326.5590
G2-D0 39.9180 39.9410 205.6000 206.4000
G2-J3 64.2300 64.3020 32.4860 33.3670
D0-J3 103.9700 104.0620 29.8420 30.7120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.252S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60083.25748638
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.12407
DEC -29.78057
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 65.915
HIERARCH ESO ISS PBL12 END 66.325
HIERARCH ESO ISS PBLA12 START 262.7
HIERARCH ESO ISS PBLA12 END 263.5
HIERARCH ESO ISS PBL13 START 93.78
HIERARCH ESO ISS PBL13 END 94.19
HIERARCH ESO ISS PBLA13 START 241.8
HIERARCH ESO ISS PBLA13 END 242.7
HIERARCH ESO ISS PBL14 START 55.254
HIERARCH ESO ISS PBL14 END 55.41
HIERARCH ESO ISS PBLA14 START 326.018
HIERARCH ESO ISS PBLA14 END 326.559
HIERARCH ESO ISS PBL23 START 39.918
HIERARCH ESO ISS PBL23 END 39.941
HIERARCH ESO ISS PBLA23 START 205.6
HIERARCH ESO ISS PBLA23 END 206.4
HIERARCH ESO ISS PBL24 START 64.23
HIERARCH ESO ISS PBL24 END 64.302
HIERARCH ESO ISS PBLA24 START 32.486
HIERARCH ESO ISS PBLA24 END 33.367
HIERARCH ESO ISS PBL34 START 103.97
HIERARCH ESO ISS PBL34 END 104.062
HIERARCH ESO ISS PBLA34 START 29.842
HIERARCH ESO ISS PBLA34 END 30.712
HIERARCH ESO ISS AMBI TAU0 START 0.004726
HIERARCH ESO ISS AMBI TAU0 END 0.004367
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.53