Exposure
ID
GRAVI.2025-07-12T00:42:33.504_1
Header ID
GRAVI.2025-07-12T00:42:33.504
Date updated
2025-07-12 00:50:43 UTC+0000
Release date
2026-07-12 00:50:43 UTC+0000
UTC Start
2025-07-12 00:42:33.504
UTC End
2025-07-12 00:45:13.504
MJD Start
60868.02955444
MJD End
60868.031406291855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028725
Ambient temperature (°C)
10.43
Seeing (arcsec)
0.7849999999999999
Observation
ID
68690
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
51104
Name
RU_Lup
RA
239.178346
DEC
-37.82145
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 55.8790 55.8440 22.2000 22.6000
U1-U3 101.5660 101.5000 28.4000 28.8000
U1-U4 130.2070 130.1970 55.6420 56.0910
U2-U3 46.4170 46.3890 36.0000 36.4000
U2-U4 89.0720 89.1460 75.8670 76.3310
U3-U4 61.1990 61.3180 104.9840 105.4060
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 60868.02955444
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178346
DEC -37.82145
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 55.879
HIERARCH ESO ISS PBL12 END 55.844
HIERARCH ESO ISS PBLA12 START 22.2
HIERARCH ESO ISS PBLA12 END 22.6
HIERARCH ESO ISS PBL13 START 101.566
HIERARCH ESO ISS PBL13 END 101.5
HIERARCH ESO ISS PBLA13 START 28.4
HIERARCH ESO ISS PBLA13 END 28.8
HIERARCH ESO ISS PBL14 START 130.207
HIERARCH ESO ISS PBL14 END 130.197
HIERARCH ESO ISS PBLA14 START 55.642
HIERARCH ESO ISS PBLA14 END 56.091
HIERARCH ESO ISS PBL23 START 46.417
HIERARCH ESO ISS PBL23 END 46.389
HIERARCH ESO ISS PBLA23 START 36.0
HIERARCH ESO ISS PBLA23 END 36.4
HIERARCH ESO ISS PBL24 START 89.072
HIERARCH ESO ISS PBL24 END 89.146
HIERARCH ESO ISS PBLA24 START 75.867
HIERARCH ESO ISS PBLA24 END 76.331
HIERARCH ESO ISS PBL34 START 61.199
HIERARCH ESO ISS PBL34 END 61.318
HIERARCH ESO ISS PBLA34 START 104.984
HIERARCH ESO ISS PBLA34 END 105.406
HIERARCH ESO ISS AMBI TAU0 START 0.002732
HIERARCH ESO ISS AMBI TAU0 END 0.003013
HIERARCH ESO ISS AMBI TEMP 10.43
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.73