Exposure
ID
GRAVI.2023-05-14T06:51:31.800_1
Header ID
GRAVI.2023-05-14T06:51:31.800
Date updated
2023-05-14 07:11:01 UTC+0000
Release date
2024-05-14 07:11:01 UTC+0000
UTC Start
2023-05-14 06:51:31.800
UTC End
2023-05-14 06:57:31.800
MJD Start
60078.28578472
MJD End
60078.289951386665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004263
Ambient temperature (°C)
17.17
Seeing (arcsec)
0.6950000000000001
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 24.8400 24.9140 137.4000 138.0000
A0-D0 31.6780 31.7700 64.8000 65.6000
A0-C1 22.1280 22.2270 110.3650 111.0510
B2-D0 33.9330 33.9300 20.4000 21.2000
B2-C1 11.3030 11.3020 20.4040 21.1730
D0-C1 22.6300 22.6280 200.4660 201.2360
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 60078.28578472
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 24.84
HIERARCH ESO ISS PBL12 END 24.914
HIERARCH ESO ISS PBLA12 START 137.4
HIERARCH ESO ISS PBLA12 END 138.0
HIERARCH ESO ISS PBL13 START 31.678
HIERARCH ESO ISS PBL13 END 31.77
HIERARCH ESO ISS PBLA13 START 64.8
HIERARCH ESO ISS PBLA13 END 65.6
HIERARCH ESO ISS PBL14 START 22.128
HIERARCH ESO ISS PBL14 END 22.227
HIERARCH ESO ISS PBLA14 START 110.365
HIERARCH ESO ISS PBLA14 END 111.051
HIERARCH ESO ISS PBL23 START 33.933
HIERARCH ESO ISS PBL23 END 33.93
HIERARCH ESO ISS PBLA23 START 20.4
HIERARCH ESO ISS PBLA23 END 21.2
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 20.404
HIERARCH ESO ISS PBLA24 END 21.173
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.628
HIERARCH ESO ISS PBLA34 START 200.466
HIERARCH ESO ISS PBLA34 END 201.236
HIERARCH ESO ISS AMBI TAU0 START 0.004296
HIERARCH ESO ISS AMBI TAU0 END 0.00423
HIERARCH ESO ISS AMBI TEMP 17.17
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.75