Exposure
ID
GRAVI.2023-05-14T05:13:04.608_1
Header ID
GRAVI.2023-05-14T05:13:04.608
Date updated
2023-05-14 05:25:39 UTC+0000
Release date
2024-05-14 05:25:39 UTC+0000
UTC Start
2023-05-14 05:13:04.608
UTC End
2023-05-14 05:19:04.608
MJD Start
60078.21741444
MJD End
60078.22158110666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0051805
Ambient temperature (°C)
17.42
Seeing (arcsec)
0.77
Observation
ID
55399
Category
science
Program ID
111.252S.001
Program Title
PROBING THE ORIGIN OF THE INNER DISK PHOTOMETRIC VARIABILITY OF HD 169142
Program Type
GTO
PI / COI
BERGER/ BENISTY/ BOURDAROT/ WOILLEZ/ LE BOUQUIN/ ROUSSELET-PERRAUT/ MATTER
Target
ID
41036
Name
HD_169142
RA
276.121511
DEC
-29.78057
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 22.6480 22.8500 130.1000 130.5000
A0-D0 28.7340 28.9840 48.7000 49.9000
A0-C1 19.0470 19.3280 100.3230 100.9480
B2-D0 33.8170 33.8250 7.2000 8.1000
B2-C1 11.2650 11.2680 7.2140 8.1060
D0-C1 22.5520 22.5580 187.2680 188.1600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.252S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60078.21741444
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.121511
DEC -29.78057
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 22.648
HIERARCH ESO ISS PBL12 END 22.85
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.5
HIERARCH ESO ISS PBL13 START 28.734
HIERARCH ESO ISS PBL13 END 28.984
HIERARCH ESO ISS PBLA13 START 48.7
HIERARCH ESO ISS PBLA13 END 49.9
HIERARCH ESO ISS PBL14 START 19.047
HIERARCH ESO ISS PBL14 END 19.328
HIERARCH ESO ISS PBLA14 START 100.323
HIERARCH ESO ISS PBLA14 END 100.948
HIERARCH ESO ISS PBL23 START 33.817
HIERARCH ESO ISS PBL23 END 33.825
HIERARCH ESO ISS PBLA23 START 7.2
HIERARCH ESO ISS PBLA23 END 8.1
HIERARCH ESO ISS PBL24 START 11.265
HIERARCH ESO ISS PBL24 END 11.268
HIERARCH ESO ISS PBLA24 START 7.214
HIERARCH ESO ISS PBLA24 END 8.106
HIERARCH ESO ISS PBL34 START 22.552
HIERARCH ESO ISS PBL34 END 22.558
HIERARCH ESO ISS PBLA34 START 187.268
HIERARCH ESO ISS PBLA34 END 188.16
HIERARCH ESO ISS AMBI TAU0 START 0.005368
HIERARCH ESO ISS AMBI TAU0 END 0.004993
HIERARCH ESO ISS AMBI TEMP 17.42
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.81