Exposure
ID
GRAVI.2025-07-09T00:39:01.045_1
Header ID
GRAVI.2025-07-09T00:39:01.045
Date updated
2025-07-09 00:50:35 UTC+0000
Release date
2026-07-09 00:50:35 UTC+0000
UTC Start
2025-07-09 00:39:01.045
UTC End
2025-07-09 00:41:41.045
MJD Start
60865.02709543
MJD End
60865.028947281855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006618
Ambient temperature (°C)
13.96
Seeing (arcsec)
0.835
Observation
ID
68413
Category
science
Program ID
115.28GH.001
Program Title
TEMPORAL MONITORING OF RU LUP WITH GRAVITY: HINT FOR A PUTATIVE PLANET
Program Type
Normal
PI / COI
SOULAIN / ROUSSELET-PERRAUT / BOUVIER / BENISTY / TESSORE / PANTOLMOS / DOUGADOS / ALECIAN / BERGER / LABADIE / NOWACKI
Target
ID
50848
Name
RU_Lup
RA
239.178692
DEC
-37.82161
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.0360 56.0090 20.3000 20.6000
U1-U3 101.8600 101.8100 26.4000 26.8000
U1-U4 130.1200 130.1550 53.2580 53.7210
U2-U3 46.5340 46.5160 33.8000 34.2000
U2-U4 88.5480 88.6660 73.4180 73.8920
U3-U4 60.4730 60.6250 102.7970 103.2150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GH.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60865.02709543
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178692
DEC -37.82161
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.036
HIERARCH ESO ISS PBL12 END 56.009
HIERARCH ESO ISS PBLA12 START 20.3
HIERARCH ESO ISS PBLA12 END 20.6
HIERARCH ESO ISS PBL13 START 101.86
HIERARCH ESO ISS PBL13 END 101.81
HIERARCH ESO ISS PBLA13 START 26.4
HIERARCH ESO ISS PBLA13 END 26.8
HIERARCH ESO ISS PBL14 START 130.12
HIERARCH ESO ISS PBL14 END 130.155
HIERARCH ESO ISS PBLA14 START 53.258
HIERARCH ESO ISS PBLA14 END 53.721
HIERARCH ESO ISS PBL23 START 46.534
HIERARCH ESO ISS PBL23 END 46.516
HIERARCH ESO ISS PBLA23 START 33.8
HIERARCH ESO ISS PBLA23 END 34.2
HIERARCH ESO ISS PBL24 START 88.548
HIERARCH ESO ISS PBL24 END 88.666
HIERARCH ESO ISS PBLA24 START 73.418
HIERARCH ESO ISS PBLA24 END 73.892
HIERARCH ESO ISS PBL34 START 60.473
HIERARCH ESO ISS PBL34 END 60.625
HIERARCH ESO ISS PBLA34 START 102.797
HIERARCH ESO ISS PBLA34 END 103.215
HIERARCH ESO ISS AMBI TAU0 START 0.006482
HIERARCH ESO ISS AMBI TAU0 END 0.006754
HIERARCH ESO ISS AMBI TEMP 13.96
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.88