Exposure
ID
GRAVI.2025-07-09T02:04:58.264_1
Header ID
GRAVI.2025-07-09T02:04:58.264
Date updated
2025-07-09 02:15:45 UTC+0000
Release date
2026-07-09 02:15:45 UTC+0000
UTC Start
2025-07-09 02:04:58.264
UTC End
2025-07-09 02:07:38.264
MJD Start
60865.08678546
MJD End
60865.088637311856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005633
Ambient temperature (°C)
14.55
Seeing (arcsec)
0.54
Observation
ID
68427
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
50862
Name
RU_Lup
RA
239.177807
DEC
-37.82108
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 54.6040 54.5280 30.5000 30.8000
U1-U3 98.9290 98.7640 37.0000 37.4000
U1-U4 127.1170 126.8510 65.8000 66.1980
U2-U3 45.1170 45.0310 45.0000 45.3000
U2-U4 88.4090 88.2690 86.7310 87.1770
U3-U4 62.4500 62.4320 115.4850 115.9440
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 60865.08678546
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.177807
DEC -37.82108
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 54.604
HIERARCH ESO ISS PBL12 END 54.528
HIERARCH ESO ISS PBLA12 START 30.5
HIERARCH ESO ISS PBLA12 END 30.8
HIERARCH ESO ISS PBL13 START 98.929
HIERARCH ESO ISS PBL13 END 98.764
HIERARCH ESO ISS PBLA13 START 37.0
HIERARCH ESO ISS PBLA13 END 37.4
HIERARCH ESO ISS PBL14 START 127.117
HIERARCH ESO ISS PBL14 END 126.851
HIERARCH ESO ISS PBLA14 START 65.8
HIERARCH ESO ISS PBLA14 END 66.198
HIERARCH ESO ISS PBL23 START 45.117
HIERARCH ESO ISS PBL23 END 45.031
HIERARCH ESO ISS PBLA23 START 45.0
HIERARCH ESO ISS PBLA23 END 45.3
HIERARCH ESO ISS PBL24 START 88.409
HIERARCH ESO ISS PBL24 END 88.269
HIERARCH ESO ISS PBLA24 START 86.731
HIERARCH ESO ISS PBLA24 END 87.177
HIERARCH ESO ISS PBL34 START 62.45
HIERARCH ESO ISS PBL34 END 62.432
HIERARCH ESO ISS PBLA34 START 115.485
HIERARCH ESO ISS PBLA34 END 115.944
HIERARCH ESO ISS AMBI TAU0 START 0.00489
HIERARCH ESO ISS AMBI TAU0 END 0.006376
HIERARCH ESO ISS AMBI TEMP 14.55
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52