Exposure
ID
GRAVI.2025-07-09T00:25:31.011_1
Header ID
GRAVI.2025-07-09T00:25:31.011
Date updated
2025-07-09 00:35:33 UTC+0000
Release date
2026-07-09 00:35:33 UTC+0000
UTC Start
2025-07-09 00:25:31.011
UTC End
2025-07-09 00:28:11.011
MJD Start
60865.01772003
MJD End
60865.01957188186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006734
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.76
Observation
ID
68410
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
50845
Name
RU_Lup
RA
239.178704
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 56.1480 56.1260 18.5000 18.9000
U1-U3 102.0570 102.0180 24.6000 25.0000
U1-U4 129.8530 129.9250 51.0870 51.5640
U2-U3 46.5990 46.5880 31.9000 32.3000
U2-U4 87.9060 88.0590 71.2050 71.6900
U3-U4 59.6960 59.8760 100.8730 101.2910
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 60865.01772003
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178704
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 56.148
HIERARCH ESO ISS PBL12 END 56.126
HIERARCH ESO ISS PBLA12 START 18.5
HIERARCH ESO ISS PBLA12 END 18.9
HIERARCH ESO ISS PBL13 START 102.057
HIERARCH ESO ISS PBL13 END 102.018
HIERARCH ESO ISS PBLA13 START 24.6
HIERARCH ESO ISS PBLA13 END 25.0
HIERARCH ESO ISS PBL14 START 129.853
HIERARCH ESO ISS PBL14 END 129.925
HIERARCH ESO ISS PBLA14 START 51.087
HIERARCH ESO ISS PBLA14 END 51.564
HIERARCH ESO ISS PBL23 START 46.599
HIERARCH ESO ISS PBL23 END 46.588
HIERARCH ESO ISS PBLA23 START 31.9
HIERARCH ESO ISS PBLA23 END 32.3
HIERARCH ESO ISS PBL24 START 87.906
HIERARCH ESO ISS PBL24 END 88.059
HIERARCH ESO ISS PBLA24 START 71.205
HIERARCH ESO ISS PBLA24 END 71.69
HIERARCH ESO ISS PBL34 START 59.696
HIERARCH ESO ISS PBL34 END 59.876
HIERARCH ESO ISS PBLA34 START 100.873
HIERARCH ESO ISS PBLA34 END 101.291
HIERARCH ESO ISS AMBI TAU0 START 0.006529
HIERARCH ESO ISS AMBI TAU0 END 0.006939
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.66