Exposure
ID
GRAVI.2024-08-17T03:48:35.986_1
Header ID
GRAVI.2024-08-17T03:48:35.986
Date updated
2024-08-17 04:05:38 UTC+0000
Release date
2025-08-17 04:05:38 UTC+0000
UTC Start
2024-08-17 03:48:35.986
UTC End
2024-08-17 03:54:35.986
MJD Start
60539.15874984
MJD End
60539.16291650666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0034149999999999996
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.98
Observation
ID
60333
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
44789
Name
HD_169142
RA
276.12151
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 83.2930 82.7280 137.9000 139.1000
A0-J2 111.5660 110.1270 113.2000 114.3000
A0-K0 107.9440 106.2880 87.7380 88.4840
G1-J2 50.0140 49.3420 69.1000 69.6000
G1-K0 84.1160 83.6170 38.2220 38.5680
J2-K0 48.5220 48.5120 6.2980 6.9740
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 60539.15874984
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.12151
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 83.293
HIERARCH ESO ISS PBL12 END 82.728
HIERARCH ESO ISS PBLA12 START 137.9
HIERARCH ESO ISS PBLA12 END 139.1
HIERARCH ESO ISS PBL13 START 111.566
HIERARCH ESO ISS PBL13 END 110.127
HIERARCH ESO ISS PBLA13 START 113.2
HIERARCH ESO ISS PBLA13 END 114.3
HIERARCH ESO ISS PBL14 START 107.944
HIERARCH ESO ISS PBL14 END 106.288
HIERARCH ESO ISS PBLA14 START 87.738
HIERARCH ESO ISS PBLA14 END 88.484
HIERARCH ESO ISS PBL23 START 50.014
HIERARCH ESO ISS PBL23 END 49.342
HIERARCH ESO ISS PBLA23 START 69.1
HIERARCH ESO ISS PBLA23 END 69.6
HIERARCH ESO ISS PBL24 START 84.116
HIERARCH ESO ISS PBL24 END 83.617
HIERARCH ESO ISS PBLA24 START 38.222
HIERARCH ESO ISS PBLA24 END 38.568
HIERARCH ESO ISS PBL34 START 48.522
HIERARCH ESO ISS PBL34 END 48.512
HIERARCH ESO ISS PBLA34 START 6.298
HIERARCH ESO ISS PBLA34 END 6.974
HIERARCH ESO ISS AMBI TAU0 START 0.00356
HIERARCH ESO ISS AMBI TAU0 END 0.00327
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 0.86