Exposure
ID
GRAVI.2025-07-12T00:25:51.461_1
Header ID
GRAVI.2025-07-12T00:25:51.461
Date updated
2025-07-12 00:35:43 UTC+0000
Release date
2026-07-12 00:35:42 UTC+0000
UTC Start
2025-07-12 00:25:51.461
UTC End
2025-07-12 00:28:31.461
MJD Start
60868.01795673
MJD End
60868.019808581856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002033
Ambient temperature (°C)
10.32
Seeing (arcsec)
0.915
Observation
ID
68685
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
51099
Name
RU_Lup
RA
239.178321
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 56.0480 56.0220 20.1000 20.5000
U1-U3 101.8820 101.8340 26.2000 26.6000
U1-U4 130.1010 130.1390 53.0370 53.4960
U2-U3 46.5420 46.5250 33.6000 34.0000
U2-U4 88.4910 88.6110 73.1920 73.6610
U3-U4 60.4010 60.5540 102.5970 103.0110
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 60868.01795673
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178321
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 56.048
HIERARCH ESO ISS PBL12 END 56.022
HIERARCH ESO ISS PBLA12 START 20.1
HIERARCH ESO ISS PBLA12 END 20.5
HIERARCH ESO ISS PBL13 START 101.882
HIERARCH ESO ISS PBL13 END 101.834
HIERARCH ESO ISS PBLA13 START 26.2
HIERARCH ESO ISS PBLA13 END 26.6
HIERARCH ESO ISS PBL14 START 130.101
HIERARCH ESO ISS PBL14 END 130.139
HIERARCH ESO ISS PBLA14 START 53.037
HIERARCH ESO ISS PBLA14 END 53.496
HIERARCH ESO ISS PBL23 START 46.542
HIERARCH ESO ISS PBL23 END 46.525
HIERARCH ESO ISS PBLA23 START 33.6
HIERARCH ESO ISS PBLA23 END 34.0
HIERARCH ESO ISS PBL24 START 88.491
HIERARCH ESO ISS PBL24 END 88.611
HIERARCH ESO ISS PBLA24 START 73.192
HIERARCH ESO ISS PBLA24 END 73.661
HIERARCH ESO ISS PBL34 START 60.401
HIERARCH ESO ISS PBL34 END 60.554
HIERARCH ESO ISS PBLA34 START 102.597
HIERARCH ESO ISS PBLA34 END 103.011
HIERARCH ESO ISS AMBI TAU0 START 0.001794
HIERARCH ESO ISS AMBI TAU0 END 0.002272
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.84