Exposure
ID
GRAVI.2023-05-23T09:17:33.646_1
Header ID
GRAVI.2023-05-23T09:17:33.646
Date updated
2023-05-23 09:35:47 UTC+0000
Release date
2024-05-23 09:35:47 UTC+0000
UTC Start
2023-05-23 09:17:33.646
UTC End
2023-05-23 09:23:33.646
MJD Start
60087.38719498
MJD End
60087.3913616467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004242
Ambient temperature (°C)
13.15
Seeing (arcsec)
0.73
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 84.3650 83.8130 135.6000 136.8000
A0-J2 114.2290 112.8620 111.2000 112.2000
A0-K0 110.9730 109.4230 86.3200 87.0550
G1-J2 51.2320 50.6060 68.1000 68.6000
G1-K0 85.0120 84.5510 37.5090 37.8890
J2-K0 48.5360 48.5290 4.9820 5.6700
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 60087.38719498
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 84.365
HIERARCH ESO ISS PBL12 END 83.813
HIERARCH ESO ISS PBLA12 START 135.6
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 114.229
HIERARCH ESO ISS PBL13 END 112.862
HIERARCH ESO ISS PBLA13 START 111.2
HIERARCH ESO ISS PBLA13 END 112.2
HIERARCH ESO ISS PBL14 START 110.973
HIERARCH ESO ISS PBL14 END 109.423
HIERARCH ESO ISS PBLA14 START 86.32
HIERARCH ESO ISS PBLA14 END 87.055
HIERARCH ESO ISS PBL23 START 51.232
HIERARCH ESO ISS PBL23 END 50.606
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 68.6
HIERARCH ESO ISS PBL24 START 85.012
HIERARCH ESO ISS PBL24 END 84.551
HIERARCH ESO ISS PBLA24 START 37.509
HIERARCH ESO ISS PBLA24 END 37.889
HIERARCH ESO ISS PBL34 START 48.536
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 4.982
HIERARCH ESO ISS PBLA34 END 5.67
HIERARCH ESO ISS AMBI TAU0 START 0.004357
HIERARCH ESO ISS AMBI TAU0 END 0.004127
HIERARCH ESO ISS AMBI TEMP 13.15
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.78