Exposure
ID
GRAVI.2024-08-17T04:28:36.088_1
Header ID
GRAVI.2024-08-17T04:28:36.088
Date updated
2024-08-17 04:45:38 UTC+0000
Release date
2025-08-17 04:45:38 UTC+0000
UTC Start
2024-08-17 04:28:36.088
UTC End
2024-08-17 04:34:36.088
MJD Start
60539.1865288
MJD End
60539.19069546666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002639
Ambient temperature (°C)
13.48
Seeing (arcsec)
1.18
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 79.6220 79.0620 146.2000 147.6000
A0-J2 101.7400 100.1170 120.9000 122.2000
A0-K0 96.2960 94.2820 92.7560 93.5980
G1-J2 45.2420 44.4070 72.1000 72.5000
G1-K0 80.5270 79.8880 40.1490 40.3850
J2-K0 48.4310 48.4100 10.5650 11.2100
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 60539.1865288
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 79.622
HIERARCH ESO ISS PBL12 END 79.062
HIERARCH ESO ISS PBLA12 START 146.2
HIERARCH ESO ISS PBLA12 END 147.6
HIERARCH ESO ISS PBL13 START 101.74
HIERARCH ESO ISS PBL13 END 100.117
HIERARCH ESO ISS PBLA13 START 120.9
HIERARCH ESO ISS PBLA13 END 122.2
HIERARCH ESO ISS PBL14 START 96.296
HIERARCH ESO ISS PBL14 END 94.282
HIERARCH ESO ISS PBLA14 START 92.756
HIERARCH ESO ISS PBLA14 END 93.598
HIERARCH ESO ISS PBL23 START 45.242
HIERARCH ESO ISS PBL23 END 44.407
HIERARCH ESO ISS PBLA23 START 72.1
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 80.527
HIERARCH ESO ISS PBL24 END 79.888
HIERARCH ESO ISS PBLA24 START 40.149
HIERARCH ESO ISS PBLA24 END 40.385
HIERARCH ESO ISS PBL34 START 48.431
HIERARCH ESO ISS PBL34 END 48.41
HIERARCH ESO ISS PBLA34 START 10.565
HIERARCH ESO ISS PBLA34 END 11.21
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 1.18
HIERARCH ESO ISS AMBI FWHM END 1.18