Exposure
ID
GRAVI.2025-07-09T23:58:12.143_1
Header ID
GRAVI.2025-07-09T23:58:12.143
Date updated
2025-07-10 00:10:42 UTC+0000
Release date
2026-07-10 00:10:42 UTC+0000
UTC Start
2025-07-09 23:58:12.143
UTC End
2025-07-10 00:00:52.143
MJD Start
60865.99875165
MJD End
60866.00060350185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007475
Ambient temperature (°C)
13.76
Seeing (arcsec)
0.385
Observation
ID
68484
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
50919
Name
RU_Lup
RA
239.178836
DEC
-37.82166
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 56.2930 56.2780 15.4000 15.8000
U1-U3 102.2820 102.2610 21.3000 21.7000
U1-U4 129.0250 129.1520 47.1620 47.6650
U2-U3 46.6410 46.6400 28.3000 28.8000
U2-U4 86.4170 86.6280 67.2260 67.7360
U3-U4 58.0420 58.2710 97.5270 97.9470
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 60865.99875165
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178836
DEC -37.82166
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 56.293
HIERARCH ESO ISS PBL12 END 56.278
HIERARCH ESO ISS PBLA12 START 15.4
HIERARCH ESO ISS PBLA12 END 15.8
HIERARCH ESO ISS PBL13 START 102.282
HIERARCH ESO ISS PBL13 END 102.261
HIERARCH ESO ISS PBLA13 START 21.3
HIERARCH ESO ISS PBLA13 END 21.7
HIERARCH ESO ISS PBL14 START 129.025
HIERARCH ESO ISS PBL14 END 129.152
HIERARCH ESO ISS PBLA14 START 47.162
HIERARCH ESO ISS PBLA14 END 47.665
HIERARCH ESO ISS PBL23 START 46.641
HIERARCH ESO ISS PBL23 END 46.64
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 28.8
HIERARCH ESO ISS PBL24 START 86.417
HIERARCH ESO ISS PBL24 END 86.628
HIERARCH ESO ISS PBLA24 START 67.226
HIERARCH ESO ISS PBLA24 END 67.736
HIERARCH ESO ISS PBL34 START 58.042
HIERARCH ESO ISS PBL34 END 58.271
HIERARCH ESO ISS PBLA34 START 97.527
HIERARCH ESO ISS PBLA34 END 97.947
HIERARCH ESO ISS AMBI TAU0 START 0.007359
HIERARCH ESO ISS AMBI TAU0 END 0.007591
HIERARCH ESO ISS AMBI TEMP 13.76
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.41