Exposure
ID
GRAVI.2024-08-24T03:59:42.818_1
Header ID
GRAVI.2024-08-24T03:59:42.818
Date updated
2024-08-24 04:15:37 UTC+0000
Release date
2025-08-24 04:15:37 UTC+0000
UTC Start
2024-08-24 03:59:42.818
UTC End
2024-08-24 04:05:42.818
MJD Start
60546.1664678
MJD End
60546.17063446667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0025975
Ambient temperature (°C)
11.22
Seeing (arcsec)
0.895
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 53.7380 52.8550 299.1000 300.4000
K0-D0 72.5470 71.0330 272.6000 273.4000
K0-J3 56.2440 56.2380 357.1030 358.0290
G2-D0 34.2690 33.8980 228.1000 228.3000
G2-J3 53.3730 52.6490 55.7510 56.0010
D0-J3 87.4570 86.3630 52.7710 53.0050
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 60546.1664678
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 53.738
HIERARCH ESO ISS PBL12 END 52.855
HIERARCH ESO ISS PBLA12 START 299.1
HIERARCH ESO ISS PBLA12 END 300.4
HIERARCH ESO ISS PBL13 START 72.547
HIERARCH ESO ISS PBL13 END 71.033
HIERARCH ESO ISS PBLA13 START 272.6
HIERARCH ESO ISS PBLA13 END 273.4
HIERARCH ESO ISS PBL14 START 56.244
HIERARCH ESO ISS PBL14 END 56.238
HIERARCH ESO ISS PBLA14 START 357.103
HIERARCH ESO ISS PBLA14 END 358.029
HIERARCH ESO ISS PBL23 START 34.269
HIERARCH ESO ISS PBL23 END 33.898
HIERARCH ESO ISS PBLA23 START 228.1
HIERARCH ESO ISS PBLA23 END 228.3
HIERARCH ESO ISS PBL24 START 53.373
HIERARCH ESO ISS PBL24 END 52.649
HIERARCH ESO ISS PBLA24 START 55.751
HIERARCH ESO ISS PBLA24 END 56.001
HIERARCH ESO ISS PBL34 START 87.457
HIERARCH ESO ISS PBL34 END 86.363
HIERARCH ESO ISS PBLA34 START 52.771
HIERARCH ESO ISS PBLA34 END 53.005
HIERARCH ESO ISS AMBI TAU0 START 0.002985
HIERARCH ESO ISS AMBI TAU0 END 0.00221
HIERARCH ESO ISS AMBI TEMP 11.22
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.99