Exposure
ID
GRAVI.2024-07-26T02:49:13.221_1
Header ID
GRAVI.2024-07-26T02:49:13.221
Date updated
2024-07-26 03:05:45 UTC+0000
Release date
2025-07-26 03:05:45 UTC+0000
UTC Start
2024-07-26 02:49:13.221
UTC End
2024-07-26 02:55:13.221
MJD Start
60517.11751413
MJD End
60517.1216807967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00242
Ambient temperature (°C)
13.07
Seeing (arcsec)
1.105
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 25.2300 25.2540 142.3000 143.0000
A0-D0 31.9940 31.9680 70.9000 71.7000
A0-C1 22.6020 22.6180 115.7810 116.5390
B2-D0 33.8300 33.8000 26.0000 26.6000
B2-C1 11.2690 11.2590 25.9310 26.6060
D0-C1 22.5610 22.5410 205.9940 206.6700
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 60517.11751413
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 25.23
HIERARCH ESO ISS PBL12 END 25.254
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 31.994
HIERARCH ESO ISS PBL13 END 31.968
HIERARCH ESO ISS PBLA13 START 70.9
HIERARCH ESO ISS PBLA13 END 71.7
HIERARCH ESO ISS PBL14 START 22.602
HIERARCH ESO ISS PBL14 END 22.618
HIERARCH ESO ISS PBLA14 START 115.781
HIERARCH ESO ISS PBLA14 END 116.539
HIERARCH ESO ISS PBL23 START 33.83
HIERARCH ESO ISS PBL23 END 33.8
HIERARCH ESO ISS PBLA23 START 26.0
HIERARCH ESO ISS PBLA23 END 26.6
HIERARCH ESO ISS PBL24 START 11.269
HIERARCH ESO ISS PBL24 END 11.259
HIERARCH ESO ISS PBLA24 START 25.931
HIERARCH ESO ISS PBLA24 END 26.606
HIERARCH ESO ISS PBL34 START 22.561
HIERARCH ESO ISS PBL34 END 22.541
HIERARCH ESO ISS PBLA34 START 205.994
HIERARCH ESO ISS PBLA34 END 206.67
HIERARCH ESO ISS AMBI TAU0 START 0.002345
HIERARCH ESO ISS AMBI TAU0 END 0.002495
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.12