Exposure
ID
GRAVI.2023-05-13T07:38:07.710_1
Header ID
GRAVI.2023-05-13T07:38:07.710
Date updated
2023-05-13 08:10:01 UTC+0000
Release date
2024-05-13 08:10:01 UTC+0000
UTC Start
2023-05-13 07:38:07.710
UTC End
2023-05-13 07:44:07.710
MJD Start
60077.31814479
MJD End
60077.322311456664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004854000000000001
Ambient temperature (°C)
18.86
Seeing (arcsec)
0.6799999999999999
Observation
ID
55399
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
41036
Name
HD_169142
RA
276.121511
DEC
-29.78057
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2060 25.2350 141.8000 142.5000
A0-D0 32.0030 31.9900 70.4000 71.1000
A0-C1 22.5820 22.6070 115.2120 115.9680
B2-D0 33.8500 33.8240 25.5000 26.1000
B2-C1 11.2760 11.2670 25.4090 26.1010
D0-C1 22.5740 22.5570 205.4730 206.1650
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 60077.31814479
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.121511
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 25.206
HIERARCH ESO ISS PBL12 END 25.235
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 31.99
HIERARCH ESO ISS PBLA13 START 70.4
HIERARCH ESO ISS PBLA13 END 71.1
HIERARCH ESO ISS PBL14 START 22.582
HIERARCH ESO ISS PBL14 END 22.607
HIERARCH ESO ISS PBLA14 START 115.212
HIERARCH ESO ISS PBLA14 END 115.968
HIERARCH ESO ISS PBL23 START 33.85
HIERARCH ESO ISS PBL23 END 33.824
HIERARCH ESO ISS PBLA23 START 25.5
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 11.276
HIERARCH ESO ISS PBL24 END 11.267
HIERARCH ESO ISS PBLA24 START 25.409
HIERARCH ESO ISS PBLA24 END 26.101
HIERARCH ESO ISS PBL34 START 22.574
HIERARCH ESO ISS PBL34 END 22.557
HIERARCH ESO ISS PBLA34 START 205.473
HIERARCH ESO ISS PBLA34 END 206.165
HIERARCH ESO ISS AMBI TAU0 START 0.004994
HIERARCH ESO ISS AMBI TAU0 END 0.004714
HIERARCH ESO ISS AMBI TEMP 18.86
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.67