Exposure
ID
GRAVI.2024-07-05T05:19:22.485_1
Header ID
GRAVI.2024-07-05T05:19:22.485
Date updated
2024-07-05 05:35:45 UTC+0000
Release date
2025-07-05 05:35:45 UTC+0000
UTC Start
2024-07-05 05:19:22.485
UTC End
2024-07-05 05:25:22.485
MJD Start
60496.22178802
MJD End
60496.2259546867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0043965
Ambient temperature (°C)
10.97
Seeing (arcsec)
0.535
Observation
ID
59923
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.0730 88.7450 124.7000 125.7000
A0-J2 125.3640 124.6010 101.3000 102.2000
A0-K0 123.2660 122.4300 78.8200 79.5250
G1-J2 56.1700 55.8350 62.3000 62.9000
G1-K0 88.6000 88.3560 32.5920 33.1280
J2-K0 48.5550 48.5580 357.6420 358.3390
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 60496.22178802
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 89.073
HIERARCH ESO ISS PBL12 END 88.745
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 125.7
HIERARCH ESO ISS PBL13 START 125.364
HIERARCH ESO ISS PBL13 END 124.601
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 102.2
HIERARCH ESO ISS PBL14 START 123.266
HIERARCH ESO ISS PBL14 END 122.43
HIERARCH ESO ISS PBLA14 START 78.82
HIERARCH ESO ISS PBLA14 END 79.525
HIERARCH ESO ISS PBL23 START 56.17
HIERARCH ESO ISS PBL23 END 55.835
HIERARCH ESO ISS PBLA23 START 62.3
HIERARCH ESO ISS PBLA23 END 62.9
HIERARCH ESO ISS PBL24 START 88.6
HIERARCH ESO ISS PBL24 END 88.356
HIERARCH ESO ISS PBLA24 START 32.592
HIERARCH ESO ISS PBLA24 END 33.128
HIERARCH ESO ISS PBL34 START 48.555
HIERARCH ESO ISS PBL34 END 48.558
HIERARCH ESO ISS PBLA34 START 357.642
HIERARCH ESO ISS PBLA34 END 358.339
HIERARCH ESO ISS AMBI TAU0 START 0.004768
HIERARCH ESO ISS AMBI TAU0 END 0.004025
HIERARCH ESO ISS AMBI TEMP 10.97
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.56