Exposure
ID
GRAVI.2025-07-12T00:52:45.530_1
Header ID
GRAVI.2025-07-12T00:52:45.530
Date updated
2025-07-12 01:05:42 UTC+0000
Release date
2026-07-12 01:05:42 UTC+0000
UTC Start
2025-07-12 00:52:45.530
UTC End
2025-07-12 00:55:25.530
MJD Start
60868.03663808
MJD End
60868.03848993185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0026125000000000002
Ambient temperature (°C)
10.39
Seeing (arcsec)
0.89
Observation
ID
68692
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
51106
Name
RU_Lup
RA
239.178366
DEC
-37.82144
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 55.7530 55.7150 23.5000 23.8000
U1-U3 101.3220 101.2450 29.8000 30.1000
U1-U4 130.1290 130.0850 57.1950 57.6290
U2-U3 46.3110 46.2760 37.4000 37.8000
U2-U4 89.2940 89.3370 77.4770 77.9290
U3-U4 61.5900 61.6870 106.4570 106.8760
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 60868.03663808
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178366
DEC -37.82144
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 55.753
HIERARCH ESO ISS PBL12 END 55.715
HIERARCH ESO ISS PBLA12 START 23.5
HIERARCH ESO ISS PBLA12 END 23.8
HIERARCH ESO ISS PBL13 START 101.322
HIERARCH ESO ISS PBL13 END 101.245
HIERARCH ESO ISS PBLA13 START 29.8
HIERARCH ESO ISS PBLA13 END 30.1
HIERARCH ESO ISS PBL14 START 130.129
HIERARCH ESO ISS PBL14 END 130.085
HIERARCH ESO ISS PBLA14 START 57.195
HIERARCH ESO ISS PBLA14 END 57.629
HIERARCH ESO ISS PBL23 START 46.311
HIERARCH ESO ISS PBL23 END 46.276
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.8
HIERARCH ESO ISS PBL24 START 89.294
HIERARCH ESO ISS PBL24 END 89.337
HIERARCH ESO ISS PBLA24 START 77.477
HIERARCH ESO ISS PBLA24 END 77.929
HIERARCH ESO ISS PBL34 START 61.59
HIERARCH ESO ISS PBL34 END 61.687
HIERARCH ESO ISS PBLA34 START 106.457
HIERARCH ESO ISS PBLA34 END 106.876
HIERARCH ESO ISS AMBI TAU0 START 0.002723
HIERARCH ESO ISS AMBI TAU0 END 0.002502
HIERARCH ESO ISS AMBI TEMP 10.39
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.88