Exposure
ID
GRAVI.2025-07-09T00:42:16.053_1
Header ID
GRAVI.2025-07-09T00:42:16.053
Date updated
2025-07-09 00:50:35 UTC+0000
Release date
2026-07-09 00:50:35 UTC+0000
UTC Start
2025-07-09 00:42:16.053
UTC End
2025-07-09 00:44:56.053
MJD Start
60865.02935247
MJD End
60865.03120432186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007333
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.8
Observation
ID
68414
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
50849
Name
RU_Lup
RA
239.178698
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 56.0050 55.9760 20.7000 21.1000
U1-U3 101.8040 101.7510 26.8000 27.2000
U1-U4 130.1580 130.1840 53.7740 54.2340
U2-U3 46.5130 46.4930 34.3000 34.7000
U2-U4 88.6790 88.7870 73.9460 74.4170
U3-U4 60.6420 60.7870 103.2630 103.6820
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 60865.02935247
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178698
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 56.005
HIERARCH ESO ISS PBL12 END 55.976
HIERARCH ESO ISS PBLA12 START 20.7
HIERARCH ESO ISS PBLA12 END 21.1
HIERARCH ESO ISS PBL13 START 101.804
HIERARCH ESO ISS PBL13 END 101.751
HIERARCH ESO ISS PBLA13 START 26.8
HIERARCH ESO ISS PBLA13 END 27.2
HIERARCH ESO ISS PBL14 START 130.158
HIERARCH ESO ISS PBL14 END 130.184
HIERARCH ESO ISS PBLA14 START 53.774
HIERARCH ESO ISS PBLA14 END 54.234
HIERARCH ESO ISS PBL23 START 46.513
HIERARCH ESO ISS PBL23 END 46.493
HIERARCH ESO ISS PBLA23 START 34.3
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 88.679
HIERARCH ESO ISS PBL24 END 88.787
HIERARCH ESO ISS PBLA24 START 73.946
HIERARCH ESO ISS PBLA24 END 74.417
HIERARCH ESO ISS PBL34 START 60.642
HIERARCH ESO ISS PBL34 END 60.787
HIERARCH ESO ISS PBLA34 START 103.263
HIERARCH ESO ISS PBLA34 END 103.682
HIERARCH ESO ISS AMBI TAU0 START 0.006754
HIERARCH ESO ISS AMBI TAU0 END 0.007912
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.78