Exposure
ID
GRAVI.2023-05-23T05:49:33.120_1
Header ID
GRAVI.2023-05-23T05:49:33.120
Date updated
2023-05-23 06:02:39 UTC+0000
Release date
2024-05-23 06:02:38 UTC+0000
UTC Start
2023-05-23 05:49:33.120
UTC End
2023-05-23 05:55:33.120
MJD Start
60087.24274444
MJD End
60087.2469111067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0076355
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.65
Observation
ID
55529
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.3160 86.9120 107.5000 108.2000
A0-J2 123.8220 124.6650 83.3000 84.1000
A0-K0 124.5320 125.1230 60.9490 61.8790
G1-J2 57.3980 57.5560 45.1000 46.0000
G1-K0 90.4510 90.4650 17.0720 17.8820
J2-K0 48.0660 48.1170 342.9400 343.5220
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 60087.24274444
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 86.316
HIERARCH ESO ISS PBL12 END 86.912
HIERARCH ESO ISS PBLA12 START 107.5
HIERARCH ESO ISS PBLA12 END 108.2
HIERARCH ESO ISS PBL13 START 123.822
HIERARCH ESO ISS PBL13 END 124.665
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 84.1
HIERARCH ESO ISS PBL14 START 124.532
HIERARCH ESO ISS PBL14 END 125.123
HIERARCH ESO ISS PBLA14 START 60.949
HIERARCH ESO ISS PBLA14 END 61.879
HIERARCH ESO ISS PBL23 START 57.398
HIERARCH ESO ISS PBL23 END 57.556
HIERARCH ESO ISS PBLA23 START 45.1
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 90.451
HIERARCH ESO ISS PBL24 END 90.465
HIERARCH ESO ISS PBLA24 START 17.072
HIERARCH ESO ISS PBLA24 END 17.882
HIERARCH ESO ISS PBL34 START 48.066
HIERARCH ESO ISS PBL34 END 48.117
HIERARCH ESO ISS PBLA34 START 342.94
HIERARCH ESO ISS PBLA34 END 343.522
HIERARCH ESO ISS AMBI TAU0 START 0.007146
HIERARCH ESO ISS AMBI TAU0 END 0.008125
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.62