Exposure
ID
GRAVI.2023-05-12T05:41:46.743_1
Header ID
GRAVI.2023-05-12T05:41:46.743
Date updated
2023-05-12 06:10:02 UTC+0000
Release date
2024-05-12 06:10:02 UTC+0000
UTC Start
2023-05-12 05:41:46.743
UTC End
2023-05-12 05:47:46.743
MJD Start
60076.23734656
MJD End
60076.24151322667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004984499999999999
Ambient temperature (°C)
16.46
Seeing (arcsec)
0.965
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 23.2830 23.4570 131.3000 131.7000
A0-D0 29.5420 29.7720 52.6000 53.7000
A0-C1 19.9360 20.1800 102.3920 103.0190
B2-D0 33.8480 33.8580 10.2000 11.1000
B2-C1 11.2750 11.2790 10.1530 11.0300
D0-C1 22.5730 22.5800 190.2090 191.0860
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 60076.23734656
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 23.283
HIERARCH ESO ISS PBL12 END 23.457
HIERARCH ESO ISS PBLA12 START 131.3
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 29.542
HIERARCH ESO ISS PBL13 END 29.772
HIERARCH ESO ISS PBLA13 START 52.6
HIERARCH ESO ISS PBLA13 END 53.7
HIERARCH ESO ISS PBL14 START 19.936
HIERARCH ESO ISS PBL14 END 20.18
HIERARCH ESO ISS PBLA14 START 102.392
HIERARCH ESO ISS PBLA14 END 103.019
HIERARCH ESO ISS PBL23 START 33.848
HIERARCH ESO ISS PBL23 END 33.858
HIERARCH ESO ISS PBLA23 START 10.2
HIERARCH ESO ISS PBLA23 END 11.1
HIERARCH ESO ISS PBL24 START 11.275
HIERARCH ESO ISS PBL24 END 11.279
HIERARCH ESO ISS PBLA24 START 10.153
HIERARCH ESO ISS PBLA24 END 11.03
HIERARCH ESO ISS PBL34 START 22.573
HIERARCH ESO ISS PBL34 END 22.58
HIERARCH ESO ISS PBLA34 START 190.209
HIERARCH ESO ISS PBLA34 END 191.086
HIERARCH ESO ISS AMBI TAU0 START 0.005123
HIERARCH ESO ISS AMBI TAU0 END 0.004846
HIERARCH ESO ISS AMBI TEMP 16.46
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.94