Exposure
ID
GRAVI.2025-07-09T03:36:52.498_1
Header ID
GRAVI.2025-07-09T03:36:52.498
Date updated
2025-07-09 03:50:44 UTC+0000
Release date
2026-07-09 03:50:44 UTC+0000
UTC Start
2025-07-09 03:36:52.498
UTC End
2025-07-09 03:39:32.498
MJD Start
60865.15060761
MJD End
60865.15245946185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0050550000000000005
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.5449999999999999
Observation
ID
68446
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
50881
Name
RU_Lup
RA
239.178184
DEC
-37.82099
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 51.0370 50.8790 39.2000 39.4000
U1-U3 91.1710 90.8280 46.0000 46.3000
U1-U4 113.0390 112.3940 77.8610 78.2430
U2-U3 40.9530 40.7680 54.6000 54.8000
U2-U4 79.8590 79.4560 101.4090 101.9200
U3-U4 59.8430 59.7060 131.3590 131.9270
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 60865.15060761
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178184
DEC -37.82099
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 51.037
HIERARCH ESO ISS PBL12 END 50.879
HIERARCH ESO ISS PBLA12 START 39.2
HIERARCH ESO ISS PBLA12 END 39.4
HIERARCH ESO ISS PBL13 START 91.171
HIERARCH ESO ISS PBL13 END 90.828
HIERARCH ESO ISS PBLA13 START 46.0
HIERARCH ESO ISS PBLA13 END 46.3
HIERARCH ESO ISS PBL14 START 113.039
HIERARCH ESO ISS PBL14 END 112.394
HIERARCH ESO ISS PBLA14 START 77.861
HIERARCH ESO ISS PBLA14 END 78.243
HIERARCH ESO ISS PBL23 START 40.953
HIERARCH ESO ISS PBL23 END 40.768
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 79.859
HIERARCH ESO ISS PBL24 END 79.456
HIERARCH ESO ISS PBLA24 START 101.409
HIERARCH ESO ISS PBLA24 END 101.92
HIERARCH ESO ISS PBL34 START 59.843
HIERARCH ESO ISS PBL34 END 59.706
HIERARCH ESO ISS PBLA34 START 131.359
HIERARCH ESO ISS PBLA34 END 131.927
HIERARCH ESO ISS AMBI TAU0 START 0.004973
HIERARCH ESO ISS AMBI TAU0 END 0.005137
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.61