Exposure
ID
GRAVI.2025-07-08T23:39:06.892_1
Header ID
GRAVI.2025-07-08T23:39:06.892
Date updated
2025-07-08 23:50:34 UTC+0000
Release date
2026-07-08 23:50:34 UTC+0000
UTC Start
2025-07-08 23:39:06.892
UTC End
2025-07-08 23:41:46.892
MJD Start
60864.98549644
MJD End
60864.987348291856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008654499999999999
Ambient temperature (°C)
14.42
Seeing (arcsec)
0.605
Observation
ID
68402
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
50837
Name
RU_Lup
RA
239.178699
DEC
-37.82163
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 56.3870 56.3760 12.2000 12.7000
U1-U3 102.3950 102.3840 17.9000 18.4000
U1-U4 127.8340 128.0180 43.0910 43.6710
U2-U3 46.6150 46.6210 24.7000 25.2000
U2-U4 84.5340 84.8180 63.1010 63.6890
U3-U4 56.0370 56.3370 94.1920 94.6610
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 60864.98549644
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178699
DEC -37.82163
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 194.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.387
HIERARCH ESO ISS PBL12 END 56.376
HIERARCH ESO ISS PBLA12 START 12.2
HIERARCH ESO ISS PBLA12 END 12.7
HIERARCH ESO ISS PBL13 START 102.395
HIERARCH ESO ISS PBL13 END 102.384
HIERARCH ESO ISS PBLA13 START 17.9
HIERARCH ESO ISS PBLA13 END 18.4
HIERARCH ESO ISS PBL14 START 127.834
HIERARCH ESO ISS PBL14 END 128.018
HIERARCH ESO ISS PBLA14 START 43.091
HIERARCH ESO ISS PBLA14 END 43.671
HIERARCH ESO ISS PBL23 START 46.615
HIERARCH ESO ISS PBL23 END 46.621
HIERARCH ESO ISS PBLA23 START 24.7
HIERARCH ESO ISS PBLA23 END 25.2
HIERARCH ESO ISS PBL24 START 84.534
HIERARCH ESO ISS PBL24 END 84.818
HIERARCH ESO ISS PBLA24 START 63.101
HIERARCH ESO ISS PBLA24 END 63.689
HIERARCH ESO ISS PBL34 START 56.037
HIERARCH ESO ISS PBL34 END 56.337
HIERARCH ESO ISS PBLA34 START 94.192
HIERARCH ESO ISS PBLA34 END 94.661
HIERARCH ESO ISS AMBI TAU0 START 0.010135
HIERARCH ESO ISS AMBI TAU0 END 0.007174
HIERARCH ESO ISS AMBI TEMP 14.42
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.66