Exposure
ID
GRAVI.2025-07-09T02:21:46.306_1
Header ID
GRAVI.2025-07-09T02:21:46.306
Date updated
2025-07-09 02:30:36 UTC+0000
Release date
2026-07-09 02:30:35 UTC+0000
UTC Start
2025-07-09 02:21:46.306
UTC End
2025-07-09 02:24:26.306
MJD Start
60865.09845262
MJD End
60865.10030447185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00575
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.495
Observation
ID
68431
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
50866
Name
RU_Lup
RA
239.177829
DEC
-37.82106
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 54.1350 54.0440 32.2000 32.5000
U1-U3 97.9190 97.7230 38.9000 39.2000
U1-U4 125.4320 125.0940 68.0600 68.4550
U2-U3 44.5850 44.4810 46.9000 47.2000
U2-U4 87.4810 87.2860 89.2950 89.7500
U3-U4 62.2810 62.2350 118.1480 118.6270
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 60865.09845262
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.177829
DEC -37.82106
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 54.135
HIERARCH ESO ISS PBL12 END 54.044
HIERARCH ESO ISS PBLA12 START 32.2
HIERARCH ESO ISS PBLA12 END 32.5
HIERARCH ESO ISS PBL13 START 97.919
HIERARCH ESO ISS PBL13 END 97.723
HIERARCH ESO ISS PBLA13 START 38.9
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 125.432
HIERARCH ESO ISS PBL14 END 125.094
HIERARCH ESO ISS PBLA14 START 68.06
HIERARCH ESO ISS PBLA14 END 68.455
HIERARCH ESO ISS PBL23 START 44.585
HIERARCH ESO ISS PBL23 END 44.481
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 87.481
HIERARCH ESO ISS PBL24 END 87.286
HIERARCH ESO ISS PBLA24 START 89.295
HIERARCH ESO ISS PBLA24 END 89.75
HIERARCH ESO ISS PBL34 START 62.281
HIERARCH ESO ISS PBL34 END 62.235
HIERARCH ESO ISS PBLA34 START 118.148
HIERARCH ESO ISS PBLA34 END 118.627
HIERARCH ESO ISS AMBI TAU0 START 0.005727
HIERARCH ESO ISS AMBI TAU0 END 0.005773
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5