Exposure
ID
GRAVI.2024-07-26T03:02:40.255_1
Header ID
GRAVI.2024-07-26T03:02:40.255
Date updated
2024-07-26 03:20:43 UTC+0000
Release date
2025-07-26 03:20:43 UTC+0000
UTC Start
2024-07-26 03:02:40.255
UTC End
2024-07-26 03:08:40.255
MJD Start
60517.1268548
MJD End
60517.1310214667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0031475
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.89
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 25.2750 25.2880 143.8000 144.6000
A0-D0 31.9180 31.8570 72.6000 73.3000
A0-C1 22.6240 22.6180 117.4280 118.2120
B2-D0 33.7600 33.7200 27.4000 28.1000
B2-C1 11.2460 11.2320 27.3690 28.0170
D0-C1 22.5140 22.4880 207.4330 208.0810
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 60517.1268548
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 25.275
HIERARCH ESO ISS PBL12 END 25.288
HIERARCH ESO ISS PBLA12 START 143.8
HIERARCH ESO ISS PBLA12 END 144.6
HIERARCH ESO ISS PBL13 START 31.918
HIERARCH ESO ISS PBL13 END 31.857
HIERARCH ESO ISS PBLA13 START 72.6
HIERARCH ESO ISS PBLA13 END 73.3
HIERARCH ESO ISS PBL14 START 22.624
HIERARCH ESO ISS PBL14 END 22.618
HIERARCH ESO ISS PBLA14 START 117.428
HIERARCH ESO ISS PBLA14 END 118.212
HIERARCH ESO ISS PBL23 START 33.76
HIERARCH ESO ISS PBL23 END 33.72
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 28.1
HIERARCH ESO ISS PBL24 START 11.246
HIERARCH ESO ISS PBL24 END 11.232
HIERARCH ESO ISS PBLA24 START 27.369
HIERARCH ESO ISS PBLA24 END 28.017
HIERARCH ESO ISS PBL34 START 22.514
HIERARCH ESO ISS PBL34 END 22.488
HIERARCH ESO ISS PBLA34 START 207.433
HIERARCH ESO ISS PBLA34 END 208.081
HIERARCH ESO ISS AMBI TAU0 START 0.00294
HIERARCH ESO ISS AMBI TAU0 END 0.003355
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.86