Exposure
ID
GRAVI.2024-07-26T06:28:27.805_1
Header ID
GRAVI.2024-07-26T06:28:27.805
Date updated
2024-07-26 06:45:34 UTC+0000
Release date
2025-07-26 06:45:34 UTC+0000
UTC Start
2024-07-26 06:28:27.805
UTC End
2024-07-26 06:34:27.805
MJD Start
60517.26976626
MJD End
60517.2739329267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003447
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.515
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 24.5710 24.5600 175.2000 176.3000
A0-D0 21.2380 20.6720 97.6000 98.6000
A0-C1 19.1860 19.0640 154.0490 155.5990
B2-D0 28.8190 28.5360 41.2000 41.3000
B2-C1 9.6030 9.5080 41.1570 41.2880
D0-C1 19.2170 19.0280 221.2160 221.3460
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 60517.26976626
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 24.571
HIERARCH ESO ISS PBL12 END 24.56
HIERARCH ESO ISS PBLA12 START 175.2
HIERARCH ESO ISS PBLA12 END 176.3
HIERARCH ESO ISS PBL13 START 21.238
HIERARCH ESO ISS PBL13 END 20.672
HIERARCH ESO ISS PBLA13 START 97.6
HIERARCH ESO ISS PBLA13 END 98.6
HIERARCH ESO ISS PBL14 START 19.186
HIERARCH ESO ISS PBL14 END 19.064
HIERARCH ESO ISS PBLA14 START 154.049
HIERARCH ESO ISS PBLA14 END 155.599
HIERARCH ESO ISS PBL23 START 28.819
HIERARCH ESO ISS PBL23 END 28.536
HIERARCH ESO ISS PBLA23 START 41.2
HIERARCH ESO ISS PBLA23 END 41.3
HIERARCH ESO ISS PBL24 START 9.603
HIERARCH ESO ISS PBL24 END 9.508
HIERARCH ESO ISS PBLA24 START 41.157
HIERARCH ESO ISS PBLA24 END 41.288
HIERARCH ESO ISS PBL34 START 19.217
HIERARCH ESO ISS PBL34 END 19.028
HIERARCH ESO ISS PBLA34 START 221.216
HIERARCH ESO ISS PBLA34 END 221.346
HIERARCH ESO ISS AMBI TAU0 START 0.002886
HIERARCH ESO ISS AMBI TAU0 END 0.004008
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.47