Exposure
ID
GRAVI.2025-07-09T00:45:31.062_1
Header ID
GRAVI.2025-07-09T00:45:31.062
Date updated
2025-07-09 00:55:42 UTC+0000
Release date
2026-07-09 00:55:41 UTC+0000
UTC Start
2025-07-09 00:45:31.062
UTC End
2025-07-09 00:48:11.062
MJD Start
60865.03160951
MJD End
60865.033461361854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007663
Ambient temperature (°C)
14.03
Seeing (arcsec)
0.74
Observation
ID
68415
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
50850
Name
RU_Lup
RA
239.178697
DEC
-37.8216
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 55.9740 55.9440 21.1000 21.5000
U1-U3 101.7460 101.6890 27.3000 27.7000
U1-U4 130.1860 130.2020 54.2750 54.7320
U2-U3 46.4910 46.4680 34.7000 35.1000
U2-U4 88.7970 88.8960 74.4600 74.9300
U3-U4 60.8000 60.9380 103.7200 104.1400
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 60865.03160951
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178697
DEC -37.8216
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 55.974
HIERARCH ESO ISS PBL12 END 55.944
HIERARCH ESO ISS PBLA12 START 21.1
HIERARCH ESO ISS PBLA12 END 21.5
HIERARCH ESO ISS PBL13 START 101.746
HIERARCH ESO ISS PBL13 END 101.689
HIERARCH ESO ISS PBLA13 START 27.3
HIERARCH ESO ISS PBLA13 END 27.7
HIERARCH ESO ISS PBL14 START 130.186
HIERARCH ESO ISS PBL14 END 130.202
HIERARCH ESO ISS PBLA14 START 54.275
HIERARCH ESO ISS PBLA14 END 54.732
HIERARCH ESO ISS PBL23 START 46.491
HIERARCH ESO ISS PBL23 END 46.468
HIERARCH ESO ISS PBLA23 START 34.7
HIERARCH ESO ISS PBLA23 END 35.1
HIERARCH ESO ISS PBL24 START 88.797
HIERARCH ESO ISS PBL24 END 88.896
HIERARCH ESO ISS PBLA24 START 74.46
HIERARCH ESO ISS PBLA24 END 74.93
HIERARCH ESO ISS PBL34 START 60.8
HIERARCH ESO ISS PBL34 END 60.938
HIERARCH ESO ISS PBLA34 START 103.72
HIERARCH ESO ISS PBLA34 END 104.14
HIERARCH ESO ISS AMBI TAU0 START 0.007912
HIERARCH ESO ISS AMBI TAU0 END 0.007414
HIERARCH ESO ISS AMBI TEMP 14.03
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.7