Exposure
ID
GRAVI.2024-08-24T03:46:15.784_1
Header ID
GRAVI.2024-08-24T03:46:15.784
Date updated
2024-08-24 04:00:48 UTC+0000
Release date
2025-08-24 04:00:48 UTC+0000
UTC Start
2024-08-24 03:46:15.784
UTC End
2024-08-24 03:52:15.784
MJD Start
60546.15712713
MJD End
60546.161293796664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004556
Ambient temperature (°C)
11.21
Seeing (arcsec)
0.505
Observation
ID
60408
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
44862
Name
HD_169142
RA
276.124069
DEC
-29.78058
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.5940 54.7430 296.4000 297.6000
K0-D0 75.6620 74.2440 270.8000 271.6000
K0-J3 56.2640 56.2530 355.1200 356.0370
G2-D0 35.0260 34.6830 227.6000 227.8000
G2-J3 54.8510 54.1800 55.1520 55.4390
D0-J3 89.6900 88.6740 52.2030 52.4780
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 60546.15712713
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169142
HIERARCH ESO INS SOBJ NAME HD_169142
RA 276.124069
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 55.594
HIERARCH ESO ISS PBL12 END 54.743
HIERARCH ESO ISS PBLA12 START 296.4
HIERARCH ESO ISS PBLA12 END 297.6
HIERARCH ESO ISS PBL13 START 75.662
HIERARCH ESO ISS PBL13 END 74.244
HIERARCH ESO ISS PBLA13 START 270.8
HIERARCH ESO ISS PBLA13 END 271.6
HIERARCH ESO ISS PBL14 START 56.264
HIERARCH ESO ISS PBL14 END 56.253
HIERARCH ESO ISS PBLA14 START 355.12
HIERARCH ESO ISS PBLA14 END 356.037
HIERARCH ESO ISS PBL23 START 35.026
HIERARCH ESO ISS PBL23 END 34.683
HIERARCH ESO ISS PBLA23 START 227.6
HIERARCH ESO ISS PBLA23 END 227.8
HIERARCH ESO ISS PBL24 START 54.851
HIERARCH ESO ISS PBL24 END 54.18
HIERARCH ESO ISS PBLA24 START 55.152
HIERARCH ESO ISS PBLA24 END 55.439
HIERARCH ESO ISS PBL34 START 89.69
HIERARCH ESO ISS PBL34 END 88.674
HIERARCH ESO ISS PBLA34 START 52.203
HIERARCH ESO ISS PBLA34 END 52.478
HIERARCH ESO ISS AMBI TAU0 START 0.004457
HIERARCH ESO ISS AMBI TAU0 END 0.004655
HIERARCH ESO ISS AMBI TEMP 11.21
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.53