Exposure
ID
GRAVI.2024-08-17T04:50:30.143_1
Header ID
GRAVI.2024-08-17T04:50:30.143
Date updated
2024-08-17 05:05:36 UTC+0000
Release date
2025-08-17 05:05:36 UTC+0000
UTC Start
2024-08-17 04:50:30.143
UTC End
2024-08-17 04:56:30.143
MJD Start
60539.20173777
MJD End
60539.20590443667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002639
Ambient temperature (°C)
13.3
Seeing (arcsec)
1.07
Observation
ID
60333
Category
science
Program ID
113.26M5.001
Program Title
PROBING THE ORIGIN OF THE INNER DISK VARIABILITY OF HD 169142
Program Type
GTO
PI / COI
BERGER / BENISTY / BOURDAROT / WOILLEZ / LE BOUQUIN / ROUSSELET-PERRAUT / MATTER / MÉRAND
Target
ID
44789
Name
HD_169142
RA
276.12151
DEC
-29.78058
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 77.6910 77.1710 151.3000 152.8000
A0-J2 95.9590 94.2970 125.8000 127.3000
A0-K0 88.9770 86.7890 95.8270 96.7600
G1-J2 42.1880 41.2650 73.5000 73.9000
G1-K0 78.1770 77.4610 40.8960 41.0650
J2-K0 48.3460 48.3160 12.8110 13.4350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26M5.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60539.20173777
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.12151
DEC -29.78058
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 77.691
HIERARCH ESO ISS PBL12 END 77.171
HIERARCH ESO ISS PBLA12 START 151.3
HIERARCH ESO ISS PBLA12 END 152.8
HIERARCH ESO ISS PBL13 START 95.959
HIERARCH ESO ISS PBL13 END 94.297
HIERARCH ESO ISS PBLA13 START 125.8
HIERARCH ESO ISS PBLA13 END 127.3
HIERARCH ESO ISS PBL14 START 88.977
HIERARCH ESO ISS PBL14 END 86.789
HIERARCH ESO ISS PBLA14 START 95.827
HIERARCH ESO ISS PBLA14 END 96.76
HIERARCH ESO ISS PBL23 START 42.188
HIERARCH ESO ISS PBL23 END 41.265
HIERARCH ESO ISS PBLA23 START 73.5
HIERARCH ESO ISS PBLA23 END 73.9
HIERARCH ESO ISS PBL24 START 78.177
HIERARCH ESO ISS PBL24 END 77.461
HIERARCH ESO ISS PBLA24 START 40.896
HIERARCH ESO ISS PBLA24 END 41.065
HIERARCH ESO ISS PBL34 START 48.346
HIERARCH ESO ISS PBL34 END 48.316
HIERARCH ESO ISS PBLA34 START 12.811
HIERARCH ESO ISS PBLA34 END 13.435
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 1.29
HIERARCH ESO ISS AMBI FWHM END 0.85