Exposure
ID
GRAVI.2024-06-18T06:01:30.350_1
Header ID
GRAVI.2024-06-18T06:01:30.350
Date updated
2024-06-18 06:15:48 UTC+0000
Release date
2025-06-18 06:15:48 UTC+0000
UTC Start
2024-06-18 06:01:30.350
UTC End
2024-06-18 06:07:30.350
MJD Start
60479.25104572
MJD End
60479.2552123867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
9.0
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 25.2940 25.2860 147.5000 148.3000
A0-D0 31.4830 31.3420 76.0000 76.7000
A0-C1 22.5120 22.4620 121.2550 122.1070
B2-D0 33.5250 33.4590 30.4000 30.9000
B2-C1 11.1680 11.1460 30.3130 30.8960
D0-C1 22.3580 22.3140 210.3770 210.9600
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 60479.25104572
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 25.294
HIERARCH ESO ISS PBL12 END 25.286
HIERARCH ESO ISS PBLA12 START 147.5
HIERARCH ESO ISS PBLA12 END 148.3
HIERARCH ESO ISS PBL13 START 31.483
HIERARCH ESO ISS PBL13 END 31.342
HIERARCH ESO ISS PBLA13 START 76.0
HIERARCH ESO ISS PBLA13 END 76.7
HIERARCH ESO ISS PBL14 START 22.512
HIERARCH ESO ISS PBL14 END 22.462
HIERARCH ESO ISS PBLA14 START 121.255
HIERARCH ESO ISS PBLA14 END 122.107
HIERARCH ESO ISS PBL23 START 33.525
HIERARCH ESO ISS PBL23 END 33.459
HIERARCH ESO ISS PBLA23 START 30.4
HIERARCH ESO ISS PBLA23 END 30.9
HIERARCH ESO ISS PBL24 START 11.168
HIERARCH ESO ISS PBL24 END 11.146
HIERARCH ESO ISS PBLA24 START 30.313
HIERARCH ESO ISS PBLA24 END 30.896
HIERARCH ESO ISS PBL34 START 22.358
HIERARCH ESO ISS PBL34 END 22.314
HIERARCH ESO ISS PBLA34 START 210.377
HIERARCH ESO ISS PBLA34 END 210.96
HIERARCH ESO ISS AMBI TAU0 START 0.002284
HIERARCH ESO ISS AMBI TAU0 END 0.002284
HIERARCH ESO ISS AMBI TEMP 9.0
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87