Exposure
ID
GRAVI.2024-06-18T06:14:54.384_1
Header ID
GRAVI.2024-06-18T06:14:54.384
Date updated
2024-06-18 06:30:44 UTC+0000
Release date
2025-06-18 06:30:44 UTC+0000
UTC Start
2024-06-18 06:14:54.384
UTC End
2024-06-18 06:20:54.384
MJD Start
60479.26035167
MJD End
60479.2645183367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
9.12
Seeing (arcsec)
0.87
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 25.2710 25.2560 149.2000 150.0000
A0-D0 31.1590 30.9810 77.5000 78.2000
A0-C1 22.3940 22.3260 123.1110 124.0010
B2-D0 33.3760 33.2970 31.6000 32.2000
B2-C1 11.1180 11.0920 31.5560 32.1110
D0-C1 22.2580 22.2050 211.6200 212.1750
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 60479.26035167
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 25.271
HIERARCH ESO ISS PBL12 END 25.256
HIERARCH ESO ISS PBLA12 START 149.2
HIERARCH ESO ISS PBLA12 END 150.0
HIERARCH ESO ISS PBL13 START 31.159
HIERARCH ESO ISS PBL13 END 30.981
HIERARCH ESO ISS PBLA13 START 77.5
HIERARCH ESO ISS PBLA13 END 78.2
HIERARCH ESO ISS PBL14 START 22.394
HIERARCH ESO ISS PBL14 END 22.326
HIERARCH ESO ISS PBLA14 START 123.111
HIERARCH ESO ISS PBLA14 END 124.001
HIERARCH ESO ISS PBL23 START 33.376
HIERARCH ESO ISS PBL23 END 33.297
HIERARCH ESO ISS PBLA23 START 31.6
HIERARCH ESO ISS PBLA23 END 32.2
HIERARCH ESO ISS PBL24 START 11.118
HIERARCH ESO ISS PBL24 END 11.092
HIERARCH ESO ISS PBLA24 START 31.556
HIERARCH ESO ISS PBLA24 END 32.111
HIERARCH ESO ISS PBL34 START 22.258
HIERARCH ESO ISS PBL34 END 22.205
HIERARCH ESO ISS PBLA34 START 211.62
HIERARCH ESO ISS PBLA34 END 212.175
HIERARCH ESO ISS AMBI TAU0 START 0.002284
HIERARCH ESO ISS AMBI TAU0 END 0.002284
HIERARCH ESO ISS AMBI TEMP 9.12
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87