Exposure
ID
GRAVI.2024-06-19T03:15:52.285_1
Header ID
GRAVI.2024-06-19T03:15:52.285
Date updated
2024-06-19 03:30:35 UTC+0000
Release date
2025-06-19 03:30:35 UTC+0000
UTC Start
2024-06-19 03:15:52.285
UTC End
2024-06-19 03:21:52.285
MJD Start
60480.13602182
MJD End
60480.1401884867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005331
Ambient temperature (°C)
9.59
Seeing (arcsec)
0.77
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 23.4590 23.6230 131.7000 132.2000
A0-D0 29.7750 29.9960 53.7000 54.8000
A0-C1 20.1840 20.4150 103.0290 103.6540
B2-D0 33.8580 33.8690 11.1000 11.9000
B2-C1 11.2790 11.2820 11.0430 11.9080
D0-C1 22.5800 22.5870 191.0990 191.9650
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 60480.13602182
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 23.459
HIERARCH ESO ISS PBL12 END 23.623
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 29.775
HIERARCH ESO ISS PBL13 END 29.996
HIERARCH ESO ISS PBLA13 START 53.7
HIERARCH ESO ISS PBLA13 END 54.8
HIERARCH ESO ISS PBL14 START 20.184
HIERARCH ESO ISS PBL14 END 20.415
HIERARCH ESO ISS PBLA14 START 103.029
HIERARCH ESO ISS PBLA14 END 103.654
HIERARCH ESO ISS PBL23 START 33.858
HIERARCH ESO ISS PBL23 END 33.869
HIERARCH ESO ISS PBLA23 START 11.1
HIERARCH ESO ISS PBLA23 END 11.9
HIERARCH ESO ISS PBL24 START 11.279
HIERARCH ESO ISS PBL24 END 11.282
HIERARCH ESO ISS PBLA24 START 11.043
HIERARCH ESO ISS PBLA24 END 11.908
HIERARCH ESO ISS PBL34 START 22.58
HIERARCH ESO ISS PBL34 END 22.587
HIERARCH ESO ISS PBLA34 START 191.099
HIERARCH ESO ISS PBLA34 END 191.965
HIERARCH ESO ISS AMBI TAU0 START 0.005331
HIERARCH ESO ISS AMBI TAU0 END 0.005331
HIERARCH ESO ISS AMBI TEMP 9.59
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77