Exposure
ID
GRAVI.2024-08-25T04:08:35.584_1
Header ID
GRAVI.2024-08-25T04:08:35.584
Date updated
2024-08-25 04:20:44 UTC+0000
Release date
2025-08-25 04:20:44 UTC+0000
UTC Start
2024-08-25 04:08:35.584
UTC End
2024-08-25 04:14:35.584
MJD Start
60547.17263407
MJD End
60547.1768007367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006403
Ambient temperature (°C)
12.54
Seeing (arcsec)
1.3
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 51.9190 51.0220 301.9000 303.3000
K0-D0 69.4070 67.8250 274.3000 275.2000
K0-J3 56.2340 56.2320 359.0010 359.9230
G2-D0 33.4960 33.1030 228.6000 228.7000
G2-J3 51.8660 51.1010 56.2430 56.4510
D0-J3 85.1800 84.0220 53.2300 53.4220
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 60547.17263407
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 51.919
HIERARCH ESO ISS PBL12 END 51.022
HIERARCH ESO ISS PBLA12 START 301.9
HIERARCH ESO ISS PBLA12 END 303.3
HIERARCH ESO ISS PBL13 START 69.407
HIERARCH ESO ISS PBL13 END 67.825
HIERARCH ESO ISS PBLA13 START 274.3
HIERARCH ESO ISS PBLA13 END 275.2
HIERARCH ESO ISS PBL14 START 56.234
HIERARCH ESO ISS PBL14 END 56.232
HIERARCH ESO ISS PBLA14 START 359.001
HIERARCH ESO ISS PBLA14 END 359.923
HIERARCH ESO ISS PBL23 START 33.496
HIERARCH ESO ISS PBL23 END 33.103
HIERARCH ESO ISS PBLA23 START 228.6
HIERARCH ESO ISS PBLA23 END 228.7
HIERARCH ESO ISS PBL24 START 51.866
HIERARCH ESO ISS PBL24 END 51.101
HIERARCH ESO ISS PBLA24 START 56.243
HIERARCH ESO ISS PBLA24 END 56.451
HIERARCH ESO ISS PBL34 START 85.18
HIERARCH ESO ISS PBL34 END 84.022
HIERARCH ESO ISS PBLA34 START 53.23
HIERARCH ESO ISS PBLA34 END 53.422
HIERARCH ESO ISS AMBI TAU0 START 0.006403
HIERARCH ESO ISS AMBI TAU0 END 0.006403
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 1.3
HIERARCH ESO ISS AMBI FWHM END 1.3