Exposure
ID
GRAVI.2023-05-15T03:32:05.484_1
Header ID
GRAVI.2023-05-15T03:32:05.484
Date updated
2023-05-15 03:45:55 UTC+0000
Release date
2024-05-15 03:45:55 UTC+0000
UTC Start
2023-05-15 03:32:05.484
UTC End
2023-05-15 03:38:05.484
MJD Start
60079.1472857
MJD End
60079.15145236666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0046040000000000005
Ambient temperature (°C)
17.86
Seeing (arcsec)
0.74
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 18.4860 18.8110 127.1000 127.2000
A0-D0 24.8690 25.0820 25.6000 27.4000
A0-C1 13.4100 13.8410 89.8850 90.6590
B2-D0 33.8120 33.8050 353.2000 354.1000
B2-C1 11.2640 11.2610 353.2160 354.1150
D0-C1 22.5490 22.5430 173.2540 174.1540
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 60079.1472857
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 18.486
HIERARCH ESO ISS PBL12 END 18.811
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.2
HIERARCH ESO ISS PBL13 START 24.869
HIERARCH ESO ISS PBL13 END 25.082
HIERARCH ESO ISS PBLA13 START 25.6
HIERARCH ESO ISS PBLA13 END 27.4
HIERARCH ESO ISS PBL14 START 13.41
HIERARCH ESO ISS PBL14 END 13.841
HIERARCH ESO ISS PBLA14 START 89.885
HIERARCH ESO ISS PBLA14 END 90.659
HIERARCH ESO ISS PBL23 START 33.812
HIERARCH ESO ISS PBL23 END 33.805
HIERARCH ESO ISS PBLA23 START 353.2
HIERARCH ESO ISS PBLA23 END 354.1
HIERARCH ESO ISS PBL24 START 11.264
HIERARCH ESO ISS PBL24 END 11.261
HIERARCH ESO ISS PBLA24 START 353.216
HIERARCH ESO ISS PBLA24 END 354.115
HIERARCH ESO ISS PBL34 START 22.549
HIERARCH ESO ISS PBL34 END 22.543
HIERARCH ESO ISS PBLA34 START 173.254
HIERARCH ESO ISS PBLA34 END 174.154
HIERARCH ESO ISS AMBI TAU0 START 0.004755
HIERARCH ESO ISS AMBI TAU0 END 0.004453
HIERARCH ESO ISS AMBI TEMP 17.86
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.72