Exposure
ID
GRAVI.2024-08-17T03:35:08.952_1
Header ID
GRAVI.2024-08-17T03:35:08.952
Date updated
2024-08-17 03:50:31 UTC+0000
Release date
2025-08-17 03:50:31 UTC+0000
UTC Start
2024-08-17 03:35:08.952
UTC End
2024-08-17 03:41:08.952
MJD Start
60539.14940917
MJD End
60539.153575836666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00356
Ambient temperature (°C)
13.4
Seeing (arcsec)
0.845
Observation
ID
60333
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
44789
Name
HD_169142
RA
276.12151
DEC
-29.78058
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.4800 83.9350 135.4000 136.5000
A0-J2 114.5200 113.1730 110.9000 112.0000
A0-K0 111.3010 109.7770 86.1620 86.8900
G1-J2 51.3710 50.7560 68.0000 68.5000
G1-K0 85.1170 84.6640 37.4260 37.8050
J2-K0 48.5380 48.5310 4.8340 5.5160
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 60539.14940917
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.12151
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 84.48
HIERARCH ESO ISS PBL12 END 83.935
HIERARCH ESO ISS PBLA12 START 135.4
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 114.52
HIERARCH ESO ISS PBL13 END 113.173
HIERARCH ESO ISS PBLA13 START 110.9
HIERARCH ESO ISS PBLA13 END 112.0
HIERARCH ESO ISS PBL14 START 111.301
HIERARCH ESO ISS PBL14 END 109.777
HIERARCH ESO ISS PBLA14 START 86.162
HIERARCH ESO ISS PBLA14 END 86.89
HIERARCH ESO ISS PBL23 START 51.371
HIERARCH ESO ISS PBL23 END 50.756
HIERARCH ESO ISS PBLA23 START 68.0
HIERARCH ESO ISS PBLA23 END 68.5
HIERARCH ESO ISS PBL24 START 85.117
HIERARCH ESO ISS PBL24 END 84.664
HIERARCH ESO ISS PBLA24 START 37.426
HIERARCH ESO ISS PBLA24 END 37.805
HIERARCH ESO ISS PBL34 START 48.538
HIERARCH ESO ISS PBL34 END 48.531
HIERARCH ESO ISS PBLA34 START 4.834
HIERARCH ESO ISS PBLA34 END 5.516
HIERARCH ESO ISS AMBI TAU0 START 0.00356
HIERARCH ESO ISS AMBI TAU0 END 0.00356
HIERARCH ESO ISS AMBI TEMP 13.4
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 1.1