Exposure
ID
GRAVI.2025-07-12T00:39:18.495_1
Header ID
GRAVI.2025-07-12T00:39:18.495
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 00:39:18.495
UTC End
2025-07-12 00:41:58.495
MJD Start
60868.0272974
MJD End
60868.02914925186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025770000000000003
Ambient temperature (°C)
10.39
Seeing (arcsec)
0.875
Observation
ID
68689
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
51103
Name
RU_Lup
RA
239.178343
DEC
-37.82146
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 55.9150 55.8820 21.8000 22.2000
U1-U3 101.6350 101.5730 28.0000 28.4000
U1-U4 130.2090 130.2080 55.1400 55.5910
U2-U3 46.4460 46.4200 35.5000 35.9000
U2-U4 88.9790 89.0630 75.3490 75.8150
U3-U4 61.0580 61.1850 104.5160 104.9360
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 60868.0272974
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178343
DEC -37.82146
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 55.915
HIERARCH ESO ISS PBL12 END 55.882
HIERARCH ESO ISS PBLA12 START 21.8
HIERARCH ESO ISS PBLA12 END 22.2
HIERARCH ESO ISS PBL13 START 101.635
HIERARCH ESO ISS PBL13 END 101.573
HIERARCH ESO ISS PBLA13 START 28.0
HIERARCH ESO ISS PBLA13 END 28.4
HIERARCH ESO ISS PBL14 START 130.209
HIERARCH ESO ISS PBL14 END 130.208
HIERARCH ESO ISS PBLA14 START 55.14
HIERARCH ESO ISS PBLA14 END 55.591
HIERARCH ESO ISS PBL23 START 46.446
HIERARCH ESO ISS PBL23 END 46.42
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.9
HIERARCH ESO ISS PBL24 START 88.979
HIERARCH ESO ISS PBL24 END 89.063
HIERARCH ESO ISS PBLA24 START 75.349
HIERARCH ESO ISS PBLA24 END 75.815
HIERARCH ESO ISS PBL34 START 61.058
HIERARCH ESO ISS PBL34 END 61.185
HIERARCH ESO ISS PBLA34 START 104.516
HIERARCH ESO ISS PBLA34 END 104.936
HIERARCH ESO ISS AMBI TAU0 START 0.002422
HIERARCH ESO ISS AMBI TAU0 END 0.002732
HIERARCH ESO ISS AMBI TEMP 10.39
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.84