Exposure
ID
GRAVI.2024-07-08T06:49:33.189_1
Header ID
GRAVI.2024-07-08T06:49:33.189
Date updated
2024-07-08 07:05:35 UTC+0000
Release date
2025-07-08 07:05:35 UTC+0000
UTC Start
2024-07-08 06:49:33.189
UTC End
2024-07-08 06:55:33.189
MJD Start
60499.28441191
MJD End
60499.2885785767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004809
Ambient temperature (°C)
8.0
Seeing (arcsec)
0.625
Observation
ID
59966
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
44492
Name
HD_169142
RA
276.12279
DEC
-29.78058
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.3260 48.3120 173.8000 174.7000
A0-J2 105.9100 104.3380 117.6000 118.8000
A0-J6 153.9720 152.8750 39.4580 39.7400
B5-J2 88.6820 87.0350 90.6000 91.4000
B5-J6 190.9110 190.1380 29.0290 29.3910
J2-J6 167.9480 167.9500 1.3490 2.1480
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 60499.28441191
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.12279
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 48.326
HIERARCH ESO ISS PBL12 END 48.312
HIERARCH ESO ISS PBLA12 START 173.8
HIERARCH ESO ISS PBLA12 END 174.7
HIERARCH ESO ISS PBL13 START 105.91
HIERARCH ESO ISS PBL13 END 104.338
HIERARCH ESO ISS PBLA13 START 117.6
HIERARCH ESO ISS PBLA13 END 118.8
HIERARCH ESO ISS PBL14 START 153.972
HIERARCH ESO ISS PBL14 END 152.875
HIERARCH ESO ISS PBLA14 START 39.458
HIERARCH ESO ISS PBLA14 END 39.74
HIERARCH ESO ISS PBL23 START 88.682
HIERARCH ESO ISS PBL23 END 87.035
HIERARCH ESO ISS PBLA23 START 90.6
HIERARCH ESO ISS PBLA23 END 91.4
HIERARCH ESO ISS PBL24 START 190.911
HIERARCH ESO ISS PBL24 END 190.138
HIERARCH ESO ISS PBLA24 START 29.029
HIERARCH ESO ISS PBLA24 END 29.391
HIERARCH ESO ISS PBL34 START 167.948
HIERARCH ESO ISS PBL34 END 167.95
HIERARCH ESO ISS PBLA34 START 1.349
HIERARCH ESO ISS PBLA34 END 2.148
HIERARCH ESO ISS AMBI TAU0 START 0.004672
HIERARCH ESO ISS AMBI TAU0 END 0.004946
HIERARCH ESO ISS AMBI TEMP 8.0
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.65