Exposure
ID
GRAVI.2024-08-17T05:10:33.194_1
Header ID
GRAVI.2024-08-17T05:10:33.194
Date updated
2024-08-17 05:30:25 UTC+0000
Release date
2025-08-17 05:30:25 UTC+0000
UTC Start
2024-08-17 05:10:33.194
UTC End
2024-08-17 05:16:33.194
MJD Start
60539.21566197
MJD End
60539.21982863667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002639
Ambient temperature (°C)
13.34
Seeing (arcsec)
1.15
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 76.0850 75.6290 156.2000 157.8000
A0-J2 90.6340 88.9940 130.9000 132.6000
A0-K0 81.8000 79.4800 98.9430 99.9940
G1-J2 39.1430 38.1480 74.8000 75.2000
G1-K0 75.8020 75.0190 41.3640 41.4660
J2-K0 48.2400 48.2000 14.7880 15.3890
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 60539.21566197
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 76.085
HIERARCH ESO ISS PBL12 END 75.629
HIERARCH ESO ISS PBLA12 START 156.2
HIERARCH ESO ISS PBLA12 END 157.8
HIERARCH ESO ISS PBL13 START 90.634
HIERARCH ESO ISS PBL13 END 88.994
HIERARCH ESO ISS PBLA13 START 130.9
HIERARCH ESO ISS PBLA13 END 132.6
HIERARCH ESO ISS PBL14 START 81.8
HIERARCH ESO ISS PBL14 END 79.48
HIERARCH ESO ISS PBLA14 START 98.943
HIERARCH ESO ISS PBLA14 END 99.994
HIERARCH ESO ISS PBL23 START 39.143
HIERARCH ESO ISS PBL23 END 38.148
HIERARCH ESO ISS PBLA23 START 74.8
HIERARCH ESO ISS PBLA23 END 75.2
HIERARCH ESO ISS PBL24 START 75.802
HIERARCH ESO ISS PBL24 END 75.019
HIERARCH ESO ISS PBLA24 START 41.364
HIERARCH ESO ISS PBLA24 END 41.466
HIERARCH ESO ISS PBL34 START 48.24
HIERARCH ESO ISS PBL34 END 48.2
HIERARCH ESO ISS PBLA34 START 14.788
HIERARCH ESO ISS PBLA34 END 15.389
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.21