Exposure
ID
GRAVI.2024-07-26T06:08:21.753_1
Header ID
GRAVI.2024-07-26T06:08:21.753
Date updated
2024-07-26 06:25:39 UTC+0000
Release date
2025-07-26 06:25:39 UTC+0000
UTC Start
2024-07-26 06:08:21.753
UTC End
2024-07-26 06:14:21.753
MJD Start
60517.25580733
MJD End
60517.2599739967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007401
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.67
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 24.6230 24.6040 171.6000 172.7000
A0-D0 22.9930 22.4610 94.6000 95.5000
A0-C1 19.6080 19.4720 149.2350 150.6990
B2-D0 29.6800 29.4210 40.6000 40.8000
B2-C1 9.8890 9.8030 40.5950 40.7920
D0-C1 19.7910 19.6180 220.6550 220.8510
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 60517.25580733
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 24.623
HIERARCH ESO ISS PBL12 END 24.604
HIERARCH ESO ISS PBLA12 START 171.6
HIERARCH ESO ISS PBLA12 END 172.7
HIERARCH ESO ISS PBL13 START 22.993
HIERARCH ESO ISS PBL13 END 22.461
HIERARCH ESO ISS PBLA13 START 94.6
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 19.608
HIERARCH ESO ISS PBL14 END 19.472
HIERARCH ESO ISS PBLA14 START 149.235
HIERARCH ESO ISS PBLA14 END 150.699
HIERARCH ESO ISS PBL23 START 29.68
HIERARCH ESO ISS PBL23 END 29.421
HIERARCH ESO ISS PBLA23 START 40.6
HIERARCH ESO ISS PBLA23 END 40.8
HIERARCH ESO ISS PBL24 START 9.889
HIERARCH ESO ISS PBL24 END 9.803
HIERARCH ESO ISS PBLA24 START 40.595
HIERARCH ESO ISS PBLA24 END 40.792
HIERARCH ESO ISS PBL34 START 19.791
HIERARCH ESO ISS PBL34 END 19.618
HIERARCH ESO ISS PBLA34 START 220.655
HIERARCH ESO ISS PBLA34 END 220.851
HIERARCH ESO ISS AMBI TAU0 START 0.007401
HIERARCH ESO ISS AMBI TAU0 END 0.007401
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67