Exposure
ID
GRAVI.2024-07-26T06:21:51.788_1
Header ID
GRAVI.2024-07-26T06:21:51.788
Date updated
2024-07-26 06:35:41 UTC+0000
Release date
2025-07-26 06:35:41 UTC+0000
UTC Start
2024-07-26 06:21:51.788
UTC End
2024-07-26 06:27:51.788
MJD Start
60517.26518273
MJD End
60517.2693493967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0051435
Ambient temperature (°C)
13.13
Seeing (arcsec)
0.615
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 24.5850 24.5710 174.0000 175.1000
A0-D0 21.8270 21.2710 96.6000 97.5000
A0-C1 19.3190 19.1930 152.4370 153.9590
B2-D0 29.1110 28.8360 41.0000 41.2000
B2-C1 9.7000 9.6080 40.9960 41.1490
D0-C1 19.4110 19.2280 221.0540 221.2070
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 60517.26518273
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 24.585
HIERARCH ESO ISS PBL12 END 24.571
HIERARCH ESO ISS PBLA12 START 174.0
HIERARCH ESO ISS PBLA12 END 175.1
HIERARCH ESO ISS PBL13 START 21.827
HIERARCH ESO ISS PBL13 END 21.271
HIERARCH ESO ISS PBLA13 START 96.6
HIERARCH ESO ISS PBLA13 END 97.5
HIERARCH ESO ISS PBL14 START 19.319
HIERARCH ESO ISS PBL14 END 19.193
HIERARCH ESO ISS PBLA14 START 152.437
HIERARCH ESO ISS PBLA14 END 153.959
HIERARCH ESO ISS PBL23 START 29.111
HIERARCH ESO ISS PBL23 END 28.836
HIERARCH ESO ISS PBLA23 START 41.0
HIERARCH ESO ISS PBLA23 END 41.2
HIERARCH ESO ISS PBL24 START 9.7
HIERARCH ESO ISS PBL24 END 9.608
HIERARCH ESO ISS PBLA24 START 40.996
HIERARCH ESO ISS PBLA24 END 41.149
HIERARCH ESO ISS PBL34 START 19.411
HIERARCH ESO ISS PBL34 END 19.228
HIERARCH ESO ISS PBLA34 START 221.054
HIERARCH ESO ISS PBLA34 END 221.207
HIERARCH ESO ISS AMBI TAU0 START 0.007401
HIERARCH ESO ISS AMBI TAU0 END 0.002886
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.56