Exposure
ID
GRAVI.2024-08-25T03:55:11.550_1
Header ID
GRAVI.2024-08-25T03:55:11.550
Date updated
2024-08-25 04:10:35 UTC+0000
Release date
2025-08-25 04:10:35 UTC+0000
UTC Start
2024-08-25 03:55:11.550
UTC End
2024-08-25 04:01:11.550
MJD Start
60547.16332812
MJD End
60547.16749478666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006403
Ambient temperature (°C)
12.08
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 53.8250 52.9450 299.0000 300.3000
K0-D0 72.6940 71.1890 272.5000 273.3000
K0-J3 56.2440 56.2380 357.0120 357.9360
G2-D0 34.3050 33.9360 228.1000 228.3000
G2-J3 53.4430 52.7230 55.7260 55.9770
D0-J3 87.5630 86.4760 52.7480 52.9830
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 60547.16332812
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 53.825
HIERARCH ESO ISS PBL12 END 52.945
HIERARCH ESO ISS PBLA12 START 299.0
HIERARCH ESO ISS PBLA12 END 300.3
HIERARCH ESO ISS PBL13 START 72.694
HIERARCH ESO ISS PBL13 END 71.189
HIERARCH ESO ISS PBLA13 START 272.5
HIERARCH ESO ISS PBLA13 END 273.3
HIERARCH ESO ISS PBL14 START 56.244
HIERARCH ESO ISS PBL14 END 56.238
HIERARCH ESO ISS PBLA14 START 357.012
HIERARCH ESO ISS PBLA14 END 357.936
HIERARCH ESO ISS PBL23 START 34.305
HIERARCH ESO ISS PBL23 END 33.936
HIERARCH ESO ISS PBLA23 START 228.1
HIERARCH ESO ISS PBLA23 END 228.3
HIERARCH ESO ISS PBL24 START 53.443
HIERARCH ESO ISS PBL24 END 52.723
HIERARCH ESO ISS PBLA24 START 55.726
HIERARCH ESO ISS PBLA24 END 55.977
HIERARCH ESO ISS PBL34 START 87.563
HIERARCH ESO ISS PBL34 END 86.476
HIERARCH ESO ISS PBLA34 START 52.748
HIERARCH ESO ISS PBLA34 END 52.983
HIERARCH ESO ISS AMBI TAU0 START 0.006403
HIERARCH ESO ISS AMBI TAU0 END 0.006403
HIERARCH ESO ISS AMBI TEMP 12.08
HIERARCH ESO ISS AMBI FWHM START 1.3
HIERARCH ESO ISS AMBI FWHM END 1.3