Exposure
ID
GRAVI.2025-07-09T01:54:43.237_1
Header ID
GRAVI.2025-07-09T01:54:43.237
Date updated
2025-07-09 02:06:00 UTC+0000
Release date
2026-07-09 02:06:00 UTC+0000
UTC Start
2025-07-09 01:54:43.237
UTC End
2025-07-09 01:57:23.237
MJD Start
60865.0796671
MJD End
60865.081518951854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0068525
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.49
Observation
ID
68425
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
50860
Name
RU_Lup
RA
239.177854
DEC
-37.82107
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 54.8550 54.7860 29.3000 29.7000
U1-U3 99.4640 99.3170 35.9000 36.2000
U1-U4 127.9560 127.7300 64.4010 64.8040
U2-U3 45.3950 45.3190 43.8000 44.1000
U2-U4 88.8290 88.7200 85.1760 85.6210
U3-U4 62.4700 62.4710 113.9020 114.3530
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 60865.0796671
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.177854
DEC -37.82107
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 54.855
HIERARCH ESO ISS PBL12 END 54.786
HIERARCH ESO ISS PBLA12 START 29.3
HIERARCH ESO ISS PBLA12 END 29.7
HIERARCH ESO ISS PBL13 START 99.464
HIERARCH ESO ISS PBL13 END 99.317
HIERARCH ESO ISS PBLA13 START 35.9
HIERARCH ESO ISS PBLA13 END 36.2
HIERARCH ESO ISS PBL14 START 127.956
HIERARCH ESO ISS PBL14 END 127.73
HIERARCH ESO ISS PBLA14 START 64.401
HIERARCH ESO ISS PBLA14 END 64.804
HIERARCH ESO ISS PBL23 START 45.395
HIERARCH ESO ISS PBL23 END 45.319
HIERARCH ESO ISS PBLA23 START 43.8
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 88.829
HIERARCH ESO ISS PBL24 END 88.72
HIERARCH ESO ISS PBLA24 START 85.176
HIERARCH ESO ISS PBLA24 END 85.621
HIERARCH ESO ISS PBL34 START 62.47
HIERARCH ESO ISS PBL34 END 62.471
HIERARCH ESO ISS PBLA34 START 113.902
HIERARCH ESO ISS PBLA34 END 114.353
HIERARCH ESO ISS AMBI TAU0 START 0.006908
HIERARCH ESO ISS AMBI TAU0 END 0.006797
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.46