Exposure
ID
GRAVI.2024-08-17T03:55:15.003_1
Header ID
GRAVI.2024-08-17T03:55:15.003
Date updated
2024-08-17 04:10:30 UTC+0000
Release date
2025-08-17 04:10:30 UTC+0000
UTC Start
2024-08-17 03:55:15.003
UTC End
2024-08-17 04:01:15.003
MJD Start
60539.16336809
MJD End
60539.16753475666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00327
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.86
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 82.6870 82.1180 139.2000 140.5000
A0-J2 110.0210 108.5450 114.4000 115.5000
A0-K0 106.1660 104.4500 88.5390 89.2950
G1-J2 49.2920 48.5930 69.6000 70.1000
G1-K0 83.5800 83.0580 38.5930 38.9190
J2-K0 48.5110 48.5000 7.0240 7.6930
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 60539.16336809
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 82.687
HIERARCH ESO ISS PBL12 END 82.118
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 140.5
HIERARCH ESO ISS PBL13 START 110.021
HIERARCH ESO ISS PBL13 END 108.545
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 115.5
HIERARCH ESO ISS PBL14 START 106.166
HIERARCH ESO ISS PBL14 END 104.45
HIERARCH ESO ISS PBLA14 START 88.539
HIERARCH ESO ISS PBLA14 END 89.295
HIERARCH ESO ISS PBL23 START 49.292
HIERARCH ESO ISS PBL23 END 48.593
HIERARCH ESO ISS PBLA23 START 69.6
HIERARCH ESO ISS PBLA23 END 70.1
HIERARCH ESO ISS PBL24 START 83.58
HIERARCH ESO ISS PBL24 END 83.058
HIERARCH ESO ISS PBLA24 START 38.593
HIERARCH ESO ISS PBLA24 END 38.919
HIERARCH ESO ISS PBL34 START 48.511
HIERARCH ESO ISS PBL34 END 48.5
HIERARCH ESO ISS PBLA34 START 7.024
HIERARCH ESO ISS PBLA34 END 7.693
HIERARCH ESO ISS AMBI TAU0 START 0.00327
HIERARCH ESO ISS AMBI TAU0 END 0.00327
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86