Exposure
ID
GRAVI.2024-06-18T08:09:50.443_1
Header ID
GRAVI.2024-06-18T08:09:50.443
Date updated
2024-06-18 08:25:40 UTC+0000
Release date
2025-06-18 08:25:40 UTC+0000
UTC Start
2024-06-18 08:09:50.443
UTC End
2024-06-18 08:15:50.443
MJD Start
60479.34016717
MJD End
60479.3443338367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
8.36
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 24.7330 24.7050 166.8000 167.8000
A0-D0 25.2180 24.7440 90.8000 91.7000
A0-C1 20.2400 20.0960 143.0450 144.3800
B2-D0 30.7340 30.5120 39.5000 39.8000
B2-C1 10.2390 10.1660 39.4890 39.7690
D0-C1 20.4940 20.3470 219.5500 219.8300
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 60479.34016717
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 24.733
HIERARCH ESO ISS PBL12 END 24.705
HIERARCH ESO ISS PBLA12 START 166.8
HIERARCH ESO ISS PBLA12 END 167.8
HIERARCH ESO ISS PBL13 START 25.218
HIERARCH ESO ISS PBL13 END 24.744
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 20.24
HIERARCH ESO ISS PBL14 END 20.096
HIERARCH ESO ISS PBLA14 START 143.045
HIERARCH ESO ISS PBLA14 END 144.38
HIERARCH ESO ISS PBL23 START 30.734
HIERARCH ESO ISS PBL23 END 30.512
HIERARCH ESO ISS PBLA23 START 39.5
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 10.239
HIERARCH ESO ISS PBL24 END 10.166
HIERARCH ESO ISS PBLA24 START 39.489
HIERARCH ESO ISS PBLA24 END 39.769
HIERARCH ESO ISS PBL34 START 20.494
HIERARCH ESO ISS PBL34 END 20.347
HIERARCH ESO ISS PBLA34 START 219.55
HIERARCH ESO ISS PBLA34 END 219.83
HIERARCH ESO ISS AMBI TAU0 START 0.002284
HIERARCH ESO ISS AMBI TAU0 END 0.002284
HIERARCH ESO ISS AMBI TEMP 8.36
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87