Exposure
ID
GRAVI.2025-07-09T01:51:28.229_1
Header ID
GRAVI.2025-07-09T01:51:28.229
Date updated
2025-07-09 02:00:36 UTC+0000
Release date
2026-07-09 02:00:35 UTC+0000
UTC Start
2025-07-09 01:51:28.229
UTC End
2025-07-09 01:54:08.229
MJD Start
60865.07741006
MJD End
60865.07926191186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0074465
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.495
Observation
ID
68424
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
50859
Name
RU_Lup
RA
239.177875
DEC
-37.82105
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 54.9300 54.8630 29.0000 29.3000
U1-U3 99.6230 99.4810 35.5000 35.8000
U1-U4 128.1940 127.9810 63.9500 64.3550
U2-U3 45.4770 45.4040 43.4000 43.7000
U2-U4 88.9390 88.8410 84.6790 85.1250
U3-U4 62.4630 62.4700 113.4020 113.8510
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 60865.07741006
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.177875
DEC -37.82105
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 54.93
HIERARCH ESO ISS PBL12 END 54.863
HIERARCH ESO ISS PBLA12 START 29.0
HIERARCH ESO ISS PBLA12 END 29.3
HIERARCH ESO ISS PBL13 START 99.623
HIERARCH ESO ISS PBL13 END 99.481
HIERARCH ESO ISS PBLA13 START 35.5
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 128.194
HIERARCH ESO ISS PBL14 END 127.981
HIERARCH ESO ISS PBLA14 START 63.95
HIERARCH ESO ISS PBLA14 END 64.355
HIERARCH ESO ISS PBL23 START 45.477
HIERARCH ESO ISS PBL23 END 45.404
HIERARCH ESO ISS PBLA23 START 43.4
HIERARCH ESO ISS PBLA23 END 43.7
HIERARCH ESO ISS PBL24 START 88.939
HIERARCH ESO ISS PBL24 END 88.841
HIERARCH ESO ISS PBLA24 START 84.679
HIERARCH ESO ISS PBLA24 END 85.125
HIERARCH ESO ISS PBL34 START 62.463
HIERARCH ESO ISS PBL34 END 62.47
HIERARCH ESO ISS PBLA34 START 113.402
HIERARCH ESO ISS PBLA34 END 113.851
HIERARCH ESO ISS AMBI TAU0 START 0.007985
HIERARCH ESO ISS AMBI TAU0 END 0.006908
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.52