Exposure
ID
GRAVI.2025-07-11T01:55:02.849_1
Header ID
GRAVI.2025-07-11T01:55:02.849
Date updated
2025-07-11 02:05:33 UTC+0000
Release date
2026-07-11 02:05:33 UTC+0000
UTC Start
2025-07-11 01:55:02.849
UTC End
2025-07-11 01:57:42.849
MJD Start
60867.07989409
MJD End
60867.081745941854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0037435000000000003
Ambient temperature (°C)
11.09
Seeing (arcsec)
0.665
Observation
ID
68621
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
51036
Name
RU_Lup
RA
239.178873
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 54.6560 54.5810 30.2000 30.5000
U1-U3 99.0400 98.8790 36.8000 37.1000
U1-U4 127.2960 127.0380 65.5090 65.9080
U2-U3 45.1750 45.0910 44.7000 45.1000
U2-U4 88.5020 88.3680 86.4060 86.8530
U3-U4 62.4590 62.4450 115.1530 115.6110
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 60867.07989409
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178873
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 54.656
HIERARCH ESO ISS PBL12 END 54.581
HIERARCH ESO ISS PBLA12 START 30.2
HIERARCH ESO ISS PBLA12 END 30.5
HIERARCH ESO ISS PBL13 START 99.04
HIERARCH ESO ISS PBL13 END 98.879
HIERARCH ESO ISS PBLA13 START 36.8
HIERARCH ESO ISS PBLA13 END 37.1
HIERARCH ESO ISS PBL14 START 127.296
HIERARCH ESO ISS PBL14 END 127.038
HIERARCH ESO ISS PBLA14 START 65.509
HIERARCH ESO ISS PBLA14 END 65.908
HIERARCH ESO ISS PBL23 START 45.175
HIERARCH ESO ISS PBL23 END 45.091
HIERARCH ESO ISS PBLA23 START 44.7
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 88.502
HIERARCH ESO ISS PBL24 END 88.368
HIERARCH ESO ISS PBLA24 START 86.406
HIERARCH ESO ISS PBLA24 END 86.853
HIERARCH ESO ISS PBL34 START 62.459
HIERARCH ESO ISS PBL34 END 62.445
HIERARCH ESO ISS PBLA34 START 115.153
HIERARCH ESO ISS PBLA34 END 115.611
HIERARCH ESO ISS AMBI TAU0 START 0.003715
HIERARCH ESO ISS AMBI TAU0 END 0.003772
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.67