Exposure
ID
GRAVI.2023-05-12T07:59:17.091_1
Header ID
GRAVI.2023-05-12T07:59:17.091
Date updated
2023-05-12 08:18:31 UTC+0000
Release date
2024-05-12 08:18:31 UTC+0000
UTC Start
2023-05-12 07:59:17.091
UTC End
2023-05-12 08:05:17.091
MJD Start
60076.3328367
MJD End
60076.337003366665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006451500000000001
Ambient temperature (°C)
16.84
Seeing (arcsec)
0.6499999999999999
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 25.2720 25.2860 143.7000 144.5000
A0-D0 31.9280 31.8690 72.4000 73.2000
A0-C1 22.6240 22.6190 117.2720 118.0760
B2-D0 33.7670 33.7270 27.3000 27.9000
B2-C1 11.2480 11.2350 27.2350 27.9070
D0-C1 22.5190 22.4920 207.2990 207.9710
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 60076.3328367
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 25.272
HIERARCH ESO ISS PBL12 END 25.286
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 144.5
HIERARCH ESO ISS PBL13 START 31.928
HIERARCH ESO ISS PBL13 END 31.869
HIERARCH ESO ISS PBLA13 START 72.4
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.624
HIERARCH ESO ISS PBL14 END 22.619
HIERARCH ESO ISS PBLA14 START 117.272
HIERARCH ESO ISS PBLA14 END 118.076
HIERARCH ESO ISS PBL23 START 33.767
HIERARCH ESO ISS PBL23 END 33.727
HIERARCH ESO ISS PBLA23 START 27.3
HIERARCH ESO ISS PBLA23 END 27.9
HIERARCH ESO ISS PBL24 START 11.248
HIERARCH ESO ISS PBL24 END 11.235
HIERARCH ESO ISS PBLA24 START 27.235
HIERARCH ESO ISS PBLA24 END 27.907
HIERARCH ESO ISS PBL34 START 22.519
HIERARCH ESO ISS PBL34 END 22.492
HIERARCH ESO ISS PBLA34 START 207.299
HIERARCH ESO ISS PBLA34 END 207.971
HIERARCH ESO ISS AMBI TAU0 START 0.006334
HIERARCH ESO ISS AMBI TAU0 END 0.006569
HIERARCH ESO ISS AMBI TEMP 16.84
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.59