Exposure
ID
GRAVI.2023-05-23T05:35:18.084_1
Header ID
GRAVI.2023-05-23T05:35:18.084
Date updated
2023-05-23 05:51:53 UTC+0000
Release date
2024-05-23 05:51:53 UTC+0000
UTC Start
2023-05-23 05:35:18.084
UTC End
2023-05-23 05:41:18.084
MJD Start
60087.23284819
MJD End
60087.2370148567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0081795
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.635
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 84.7890 85.4950 106.1000 106.7000
A0-J2 121.6570 122.6580 81.4000 82.2000
A0-K0 123.0140 123.7150 58.7650 59.7450
G1-J2 56.9890 57.1780 42.9000 43.9000
G1-K0 90.4060 90.4280 15.1980 16.0340
J2-K0 47.9360 47.9970 341.6520 342.2160
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 60087.23284819
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 84.789
HIERARCH ESO ISS PBL12 END 85.495
HIERARCH ESO ISS PBLA12 START 106.1
HIERARCH ESO ISS PBLA12 END 106.7
HIERARCH ESO ISS PBL13 START 121.657
HIERARCH ESO ISS PBL13 END 122.658
HIERARCH ESO ISS PBLA13 START 81.4
HIERARCH ESO ISS PBLA13 END 82.2
HIERARCH ESO ISS PBL14 START 123.014
HIERARCH ESO ISS PBL14 END 123.715
HIERARCH ESO ISS PBLA14 START 58.765
HIERARCH ESO ISS PBLA14 END 59.745
HIERARCH ESO ISS PBL23 START 56.989
HIERARCH ESO ISS PBL23 END 57.178
HIERARCH ESO ISS PBLA23 START 42.9
HIERARCH ESO ISS PBLA23 END 43.9
HIERARCH ESO ISS PBL24 START 90.406
HIERARCH ESO ISS PBL24 END 90.428
HIERARCH ESO ISS PBLA24 START 15.198
HIERARCH ESO ISS PBLA24 END 16.034
HIERARCH ESO ISS PBL34 START 47.936
HIERARCH ESO ISS PBL34 END 47.997
HIERARCH ESO ISS PBLA34 START 341.652
HIERARCH ESO ISS PBLA34 END 342.216
HIERARCH ESO ISS AMBI TAU0 START 0.008842
HIERARCH ESO ISS AMBI TAU0 END 0.007517
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.62