Exposure
ID
GRAVI.2024-06-18T08:03:11.427_1
Header ID
GRAVI.2024-06-18T08:03:11.427
Date updated
2024-06-18 08:20:37 UTC+0000
Release date
2025-06-18 08:20:37 UTC+0000
UTC Start
2024-06-18 08:03:11.427
UTC End
2024-06-18 08:09:11.427
MJD Start
60479.33554892
MJD End
60479.3397155867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
8.39
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 24.7650 24.7350 165.7000 166.7000
A0-D0 25.7060 25.2470 90.0000 90.8000
A0-C1 20.3930 20.2490 141.6600 142.9650
B2-D0 30.9590 30.7470 39.2000 39.5000
B2-C1 10.3140 10.2440 39.1750 39.4730
D0-C1 20.6450 20.5030 219.2360 219.5340
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 60479.33554892
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 24.765
HIERARCH ESO ISS PBL12 END 24.735
HIERARCH ESO ISS PBLA12 START 165.7
HIERARCH ESO ISS PBLA12 END 166.7
HIERARCH ESO ISS PBL13 START 25.706
HIERARCH ESO ISS PBL13 END 25.247
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 20.393
HIERARCH ESO ISS PBL14 END 20.249
HIERARCH ESO ISS PBLA14 START 141.66
HIERARCH ESO ISS PBLA14 END 142.965
HIERARCH ESO ISS PBL23 START 30.959
HIERARCH ESO ISS PBL23 END 30.747
HIERARCH ESO ISS PBLA23 START 39.2
HIERARCH ESO ISS PBLA23 END 39.5
HIERARCH ESO ISS PBL24 START 10.314
HIERARCH ESO ISS PBL24 END 10.244
HIERARCH ESO ISS PBLA24 START 39.175
HIERARCH ESO ISS PBLA24 END 39.473
HIERARCH ESO ISS PBL34 START 20.645
HIERARCH ESO ISS PBL34 END 20.503
HIERARCH ESO ISS PBLA34 START 219.236
HIERARCH ESO ISS PBLA34 END 219.534
HIERARCH ESO ISS AMBI TAU0 START 0.002284
HIERARCH ESO ISS AMBI TAU0 END 0.002284
HIERARCH ESO ISS AMBI TEMP 8.39
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87