Exposure
ID
GRAVI.2023-05-12T05:55:07.777_1
Header ID
GRAVI.2023-05-12T05:55:07.777
Date updated
2023-05-12 06:32:46 UTC+0000
Release date
2024-05-12 06:32:46 UTC+0000
UTC Start
2023-05-12 05:55:07.777
UTC End
2023-05-12 06:01:07.777
MJD Start
60076.24661779
MJD End
60076.250784456664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045375
Ambient temperature (°C)
16.3
Seeing (arcsec)
0.96
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 23.6400 23.7960 132.2000 132.7000
A0-D0 30.0200 30.2330 54.9000 56.0000
A0-C1 20.4390 20.6590 103.7210 104.3510
B2-D0 33.8700 33.8800 12.0000 12.9000
B2-C1 11.2830 11.2860 12.0010 12.8630
D0-C1 22.5870 22.5940 192.0580 192.9210
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 60076.24661779
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 23.64
HIERARCH ESO ISS PBL12 END 23.796
HIERARCH ESO ISS PBLA12 START 132.2
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 30.02
HIERARCH ESO ISS PBL13 END 30.233
HIERARCH ESO ISS PBLA13 START 54.9
HIERARCH ESO ISS PBLA13 END 56.0
HIERARCH ESO ISS PBL14 START 20.439
HIERARCH ESO ISS PBL14 END 20.659
HIERARCH ESO ISS PBLA14 START 103.721
HIERARCH ESO ISS PBLA14 END 104.351
HIERARCH ESO ISS PBL23 START 33.87
HIERARCH ESO ISS PBL23 END 33.88
HIERARCH ESO ISS PBLA23 START 12.0
HIERARCH ESO ISS PBLA23 END 12.9
HIERARCH ESO ISS PBL24 START 11.283
HIERARCH ESO ISS PBL24 END 11.286
HIERARCH ESO ISS PBLA24 START 12.001
HIERARCH ESO ISS PBLA24 END 12.863
HIERARCH ESO ISS PBL34 START 22.587
HIERARCH ESO ISS PBL34 END 22.594
HIERARCH ESO ISS PBLA34 START 192.058
HIERARCH ESO ISS PBLA34 END 192.921
HIERARCH ESO ISS AMBI TAU0 START 0.004783
HIERARCH ESO ISS AMBI TAU0 END 0.004292
HIERARCH ESO ISS AMBI TEMP 16.3
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.95