Exposure
ID
GRAVI.2025-07-12T00:19:21.445_1
Header ID
GRAVI.2025-07-12T00:19:21.445
Date updated
2025-07-12 00:30:41 UTC+0000
Release date
2026-07-12 00:30:41 UTC+0000
UTC Start
2025-07-12 00:19:21.445
UTC End
2025-07-12 00:22:01.445
MJD Start
60868.01344265
MJD End
60868.015294501856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0023045
Ambient temperature (°C)
10.43
Seeing (arcsec)
0.865
Observation
ID
68685
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
51099
Name
RU_Lup
RA
239.178321
DEC
-37.82147
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 56.1040 56.0800 19.2000 19.6000
U1-U3 101.9810 101.9380 25.3000 25.7000
U1-U4 129.9850 130.0420 51.9970 52.4680
U2-U3 46.5760 46.5620 32.7000 33.1000
U2-U4 88.1940 88.3330 72.1310 72.6110
U3-U4 60.0370 60.2050 101.6710 102.0890
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 60868.01344265
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178321
DEC -37.82147
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 56.104
HIERARCH ESO ISS PBL12 END 56.08
HIERARCH ESO ISS PBLA12 START 19.2
HIERARCH ESO ISS PBLA12 END 19.6
HIERARCH ESO ISS PBL13 START 101.981
HIERARCH ESO ISS PBL13 END 101.938
HIERARCH ESO ISS PBLA13 START 25.3
HIERARCH ESO ISS PBLA13 END 25.7
HIERARCH ESO ISS PBL14 START 129.985
HIERARCH ESO ISS PBL14 END 130.042
HIERARCH ESO ISS PBLA14 START 51.997
HIERARCH ESO ISS PBLA14 END 52.468
HIERARCH ESO ISS PBL23 START 46.576
HIERARCH ESO ISS PBL23 END 46.562
HIERARCH ESO ISS PBLA23 START 32.7
HIERARCH ESO ISS PBLA23 END 33.1
HIERARCH ESO ISS PBL24 START 88.194
HIERARCH ESO ISS PBL24 END 88.333
HIERARCH ESO ISS PBLA24 START 72.131
HIERARCH ESO ISS PBLA24 END 72.611
HIERARCH ESO ISS PBL34 START 60.037
HIERARCH ESO ISS PBL34 END 60.205
HIERARCH ESO ISS PBLA34 START 101.671
HIERARCH ESO ISS PBLA34 END 102.089
HIERARCH ESO ISS AMBI TAU0 START 0.002539
HIERARCH ESO ISS AMBI TAU0 END 0.00207
HIERARCH ESO ISS AMBI TEMP 10.43
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.92