Exposure
ID
GRAVI.2025-07-09T03:50:22.532_1
Header ID
GRAVI.2025-07-09T03:50:22.532
Date updated
2025-07-09 04:00:43 UTC+0000
Release date
2026-07-09 04:00:42 UTC+0000
UTC Start
2025-07-09 03:50:22.532
UTC End
2025-07-09 03:53:02.532
MJD Start
60865.15998301
MJD End
60865.16183486186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006123
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.535
Observation
ID
68449
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
50884
Name
RU_Lup
RA
239.178258
DEC
-37.82098
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 50.2910 50.1200 40.2000 40.4000
U1-U3 89.5430 89.1710 47.1000 47.3000
U1-U4 109.9770 109.2770 79.6210 80.0060
U2-U3 40.0720 39.8710 55.8000 56.0000
U2-U4 77.9520 77.5180 103.7910 104.3230
U3-U4 59.1960 59.0490 134.0060 134.5960
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 60865.15998301
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178258
DEC -37.82098
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 50.291
HIERARCH ESO ISS PBL12 END 50.12
HIERARCH ESO ISS PBLA12 START 40.2
HIERARCH ESO ISS PBLA12 END 40.4
HIERARCH ESO ISS PBL13 START 89.543
HIERARCH ESO ISS PBL13 END 89.171
HIERARCH ESO ISS PBLA13 START 47.1
HIERARCH ESO ISS PBLA13 END 47.3
HIERARCH ESO ISS PBL14 START 109.977
HIERARCH ESO ISS PBL14 END 109.277
HIERARCH ESO ISS PBLA14 START 79.621
HIERARCH ESO ISS PBLA14 END 80.006
HIERARCH ESO ISS PBL23 START 40.072
HIERARCH ESO ISS PBL23 END 39.871
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 77.952
HIERARCH ESO ISS PBL24 END 77.518
HIERARCH ESO ISS PBLA24 START 103.791
HIERARCH ESO ISS PBLA24 END 104.323
HIERARCH ESO ISS PBL34 START 59.196
HIERARCH ESO ISS PBL34 END 59.049
HIERARCH ESO ISS PBLA34 START 134.006
HIERARCH ESO ISS PBLA34 END 134.596
HIERARCH ESO ISS AMBI TAU0 START 0.005877
HIERARCH ESO ISS AMBI TAU0 END 0.006369
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.53