Exposure
ID
GRAVI.2024-07-08T06:56:09.206_1
Header ID
GRAVI.2024-07-08T06:56:09.206
Date updated
2024-07-08 07:10:37 UTC+0000
Release date
2025-07-08 07:10:37 UTC+0000
UTC Start
2024-07-08 06:56:09.206
UTC End
2024-07-08 07:02:09.206
MJD Start
60499.28899544
MJD End
60499.2931621067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0048815
Ambient temperature (°C)
8.05
Seeing (arcsec)
0.635
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 48.3110 48.3000 174.8000 175.7000
A0-J2 104.2410 102.6370 118.9000 120.2000
A0-J6 152.8060 151.6630 39.7570 40.0220
B5-J2 86.9320 85.2290 91.5000 92.3000
B5-J6 190.0890 189.2770 29.4130 29.7600
J2-J6 167.9500 167.9530 2.1970 2.9970
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 60499.28899544
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 48.311
HIERARCH ESO ISS PBL12 END 48.3
HIERARCH ESO ISS PBLA12 START 174.8
HIERARCH ESO ISS PBLA12 END 175.7
HIERARCH ESO ISS PBL13 START 104.241
HIERARCH ESO ISS PBL13 END 102.637
HIERARCH ESO ISS PBLA13 START 118.9
HIERARCH ESO ISS PBLA13 END 120.2
HIERARCH ESO ISS PBL14 START 152.806
HIERARCH ESO ISS PBL14 END 151.663
HIERARCH ESO ISS PBLA14 START 39.757
HIERARCH ESO ISS PBLA14 END 40.022
HIERARCH ESO ISS PBL23 START 86.932
HIERARCH ESO ISS PBL23 END 85.229
HIERARCH ESO ISS PBLA23 START 91.5
HIERARCH ESO ISS PBLA23 END 92.3
HIERARCH ESO ISS PBL24 START 190.089
HIERARCH ESO ISS PBL24 END 189.277
HIERARCH ESO ISS PBLA24 START 29.413
HIERARCH ESO ISS PBLA24 END 29.76
HIERARCH ESO ISS PBL34 START 167.95
HIERARCH ESO ISS PBL34 END 167.953
HIERARCH ESO ISS PBLA34 START 2.197
HIERARCH ESO ISS PBLA34 END 2.997
HIERARCH ESO ISS AMBI TAU0 START 0.004946
HIERARCH ESO ISS AMBI TAU0 END 0.004817
HIERARCH ESO ISS AMBI TEMP 8.05
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.62