Exposure
ID
GRAVI.2025-07-09T00:22:16.002_1
Header ID
GRAVI.2025-07-09T00:22:16.002
Date updated
2025-07-09 00:30:41 UTC+0000
Release date
2026-07-09 00:30:41 UTC+0000
UTC Start
2025-07-09 00:22:16.002
UTC End
2025-07-09 00:24:56.002
MJD Start
60865.01546299
MJD End
60865.017314841854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0071845
Ambient temperature (°C)
14.12
Seeing (arcsec)
0.81
Observation
ID
68409
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
50844
Name
RU_Lup
RA
239.178703
DEC
-37.82161
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 56.1720 56.1510 18.1000 18.5000
U1-U3 102.0960 102.0610 24.1000 24.5000
U1-U4 129.7640 129.8450 50.5520 51.0330
U2-U3 46.6100 46.6000 31.4000 31.8000
U2-U4 87.7250 87.8880 70.6610 71.1500
U3-U4 59.4880 59.6750 100.4070 100.8250
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 60865.01546299
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178703
DEC -37.82161
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 56.172
HIERARCH ESO ISS PBL12 END 56.151
HIERARCH ESO ISS PBLA12 START 18.1
HIERARCH ESO ISS PBLA12 END 18.5
HIERARCH ESO ISS PBL13 START 102.096
HIERARCH ESO ISS PBL13 END 102.061
HIERARCH ESO ISS PBLA13 START 24.1
HIERARCH ESO ISS PBLA13 END 24.5
HIERARCH ESO ISS PBL14 START 129.764
HIERARCH ESO ISS PBL14 END 129.845
HIERARCH ESO ISS PBLA14 START 50.552
HIERARCH ESO ISS PBLA14 END 51.033
HIERARCH ESO ISS PBL23 START 46.61
HIERARCH ESO ISS PBL23 END 46.6
HIERARCH ESO ISS PBLA23 START 31.4
HIERARCH ESO ISS PBLA23 END 31.8
HIERARCH ESO ISS PBL24 START 87.725
HIERARCH ESO ISS PBL24 END 87.888
HIERARCH ESO ISS PBLA24 START 70.661
HIERARCH ESO ISS PBLA24 END 71.15
HIERARCH ESO ISS PBL34 START 59.488
HIERARCH ESO ISS PBL34 END 59.675
HIERARCH ESO ISS PBLA34 START 100.407
HIERARCH ESO ISS PBLA34 END 100.825
HIERARCH ESO ISS AMBI TAU0 START 0.00784
HIERARCH ESO ISS AMBI TAU0 END 0.006529
HIERARCH ESO ISS AMBI TEMP 14.12
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.86