Exposure
ID
GRAVI.2025-07-10T00:38:30.245_1
Header ID
GRAVI.2025-07-10T00:38:30.245
Date updated
2025-07-10 00:50:36 UTC+0000
Release date
2026-07-10 00:50:35 UTC+0000
UTC Start
2025-07-10 00:38:30.245
UTC End
2025-07-10 00:41:10.245
MJD Start
60866.02673895
MJD End
60866.028590801856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006883500000000001
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.32
Observation
ID
68490
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
50925
Name
RU_Lup
RA
239.178851
DEC
-37.82164
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 56.0040 55.9750 20.7000 21.1000
U1-U3 101.8020 101.7480 26.9000 27.2000
U1-U4 130.1600 130.1850 53.7840 54.2440
U2-U3 46.5130 46.4920 34.3000 34.7000
U2-U4 88.6830 88.7910 73.9570 74.4280
U3-U4 60.6480 60.7930 103.2720 103.6910
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 60866.02673895
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178851
DEC -37.82164
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 56.004
HIERARCH ESO ISS PBL12 END 55.975
HIERARCH ESO ISS PBLA12 START 20.7
HIERARCH ESO ISS PBLA12 END 21.1
HIERARCH ESO ISS PBL13 START 101.802
HIERARCH ESO ISS PBL13 END 101.748
HIERARCH ESO ISS PBLA13 START 26.9
HIERARCH ESO ISS PBLA13 END 27.2
HIERARCH ESO ISS PBL14 START 130.16
HIERARCH ESO ISS PBL14 END 130.185
HIERARCH ESO ISS PBLA14 START 53.784
HIERARCH ESO ISS PBLA14 END 54.244
HIERARCH ESO ISS PBL23 START 46.513
HIERARCH ESO ISS PBL23 END 46.492
HIERARCH ESO ISS PBLA23 START 34.3
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 88.683
HIERARCH ESO ISS PBL24 END 88.791
HIERARCH ESO ISS PBLA24 START 73.957
HIERARCH ESO ISS PBLA24 END 74.428
HIERARCH ESO ISS PBL34 START 60.648
HIERARCH ESO ISS PBL34 END 60.793
HIERARCH ESO ISS PBLA34 START 103.272
HIERARCH ESO ISS PBLA34 END 103.691
HIERARCH ESO ISS AMBI TAU0 START 0.007165
HIERARCH ESO ISS AMBI TAU0 END 0.006602
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32