Exposure
ID
GRAVI.2023-05-19T07:53:32.084_1
Header ID
GRAVI.2023-05-19T07:53:32.084
Date updated
2023-05-19 08:07:01 UTC+0000
Release date
2024-05-19 08:07:01 UTC+0000
UTC Start
2023-05-19 07:53:32.084
UTC End
2023-05-19 07:59:32.084
MJD Start
60083.32884356
MJD End
60083.3330102267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005319
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.53
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 67.8420 67.6260 275.7000 276.5000
K0-D0 94.9260 94.5730 255.0000 255.7000
K0-J3 56.5430 56.5550 336.5570 337.3130
G2-D0 39.5540 39.4630 217.7000 218.3000
G2-J3 63.7580 63.5830 44.9110 45.5380
D0-J3 103.1180 102.8520 42.1460 42.7680
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 60083.32884356
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 67.842
HIERARCH ESO ISS PBL12 END 67.626
HIERARCH ESO ISS PBLA12 START 275.7
HIERARCH ESO ISS PBLA12 END 276.5
HIERARCH ESO ISS PBL13 START 94.926
HIERARCH ESO ISS PBL13 END 94.573
HIERARCH ESO ISS PBLA13 START 255.0
HIERARCH ESO ISS PBLA13 END 255.7
HIERARCH ESO ISS PBL14 START 56.543
HIERARCH ESO ISS PBL14 END 56.555
HIERARCH ESO ISS PBLA14 START 336.557
HIERARCH ESO ISS PBLA14 END 337.313
HIERARCH ESO ISS PBL23 START 39.554
HIERARCH ESO ISS PBL23 END 39.463
HIERARCH ESO ISS PBLA23 START 217.7
HIERARCH ESO ISS PBLA23 END 218.3
HIERARCH ESO ISS PBL24 START 63.758
HIERARCH ESO ISS PBL24 END 63.583
HIERARCH ESO ISS PBLA24 START 44.911
HIERARCH ESO ISS PBLA24 END 45.538
HIERARCH ESO ISS PBL34 START 103.118
HIERARCH ESO ISS PBL34 END 102.852
HIERARCH ESO ISS PBLA34 START 42.146
HIERARCH ESO ISS PBLA34 END 42.768
HIERARCH ESO ISS AMBI TAU0 START 0.005319
HIERARCH ESO ISS AMBI TAU0 END 0.005319
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.64