Exposure
ID
GRAVI.2024-06-18T07:49:47.393_1
Header ID
GRAVI.2024-06-18T07:49:47.393
Date updated
2024-06-18 08:05:36 UTC+0000
Release date
2025-06-18 08:05:36 UTC+0000
UTC Start
2024-06-18 07:49:47.393
UTC End
2024-06-18 07:55:47.393
MJD Start
60479.32624297
MJD End
60479.3304096367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
8.44
Seeing (arcsec)
0.87
Observation
ID
59666
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
44255
Name
HD_169142
RA
276.121511
DEC
-29.78058
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 24.8330 24.8000 163.4000 164.5000
A0-D0 26.6420 26.2140 88.4000 89.1000
A0-C1 20.7010 20.5580 138.9600 140.2040
B2-D0 31.3870 31.1930 38.5000 38.9000
B2-C1 10.4570 10.3920 38.4820 38.8160
D0-C1 20.9310 20.8010 218.5440 218.8770
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 60479.32624297
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.121511
DEC -29.78058
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 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 24.833
HIERARCH ESO ISS PBL12 END 24.8
HIERARCH ESO ISS PBLA12 START 163.4
HIERARCH ESO ISS PBLA12 END 164.5
HIERARCH ESO ISS PBL13 START 26.642
HIERARCH ESO ISS PBL13 END 26.214
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 89.1
HIERARCH ESO ISS PBL14 START 20.701
HIERARCH ESO ISS PBL14 END 20.558
HIERARCH ESO ISS PBLA14 START 138.96
HIERARCH ESO ISS PBLA14 END 140.204
HIERARCH ESO ISS PBL23 START 31.387
HIERARCH ESO ISS PBL23 END 31.193
HIERARCH ESO ISS PBLA23 START 38.5
HIERARCH ESO ISS PBLA23 END 38.9
HIERARCH ESO ISS PBL24 START 10.457
HIERARCH ESO ISS PBL24 END 10.392
HIERARCH ESO ISS PBLA24 START 38.482
HIERARCH ESO ISS PBLA24 END 38.816
HIERARCH ESO ISS PBL34 START 20.931
HIERARCH ESO ISS PBL34 END 20.801
HIERARCH ESO ISS PBLA34 START 218.544
HIERARCH ESO ISS PBLA34 END 218.877
HIERARCH ESO ISS AMBI TAU0 START 0.002284
HIERARCH ESO ISS AMBI TAU0 END 0.002284
HIERARCH ESO ISS AMBI TEMP 8.44
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87