Exposure
ID
GRAVI.2025-07-09T02:58:58.401_1
Header ID
GRAVI.2025-07-09T02:58:58.401
Date updated
2025-07-09 03:10:43 UTC+0000
Release date
2026-07-09 03:10:43 UTC+0000
UTC Start
2025-07-09 02:58:58.401
UTC End
2025-07-09 03:01:38.401
MJD Start
60865.12428705
MJD End
60865.126138901855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008719
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.385
Observation
ID
68437
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
50872
Name
RU_Lup
RA
239.178041
DEC
-37.82103
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 52.8160 52.6960 35.9000 36.1000
U1-U3 95.0540 94.7920 42.6000 42.9000
U1-U4 120.2920 119.8090 72.9480 73.3240
U2-U3 43.0510 42.9100 50.9000 51.2000
U2-U4 84.3850 84.0860 95.1110 95.5760
U3-U4 61.3720 61.2740 124.3950 124.9050
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 60865.12428705
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178041
DEC -37.82103
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 52.816
HIERARCH ESO ISS PBL12 END 52.696
HIERARCH ESO ISS PBLA12 START 35.9
HIERARCH ESO ISS PBLA12 END 36.1
HIERARCH ESO ISS PBL13 START 95.054
HIERARCH ESO ISS PBL13 END 94.792
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 120.292
HIERARCH ESO ISS PBL14 END 119.809
HIERARCH ESO ISS PBLA14 START 72.948
HIERARCH ESO ISS PBLA14 END 73.324
HIERARCH ESO ISS PBL23 START 43.051
HIERARCH ESO ISS PBL23 END 42.91
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 84.385
HIERARCH ESO ISS PBL24 END 84.086
HIERARCH ESO ISS PBLA24 START 95.111
HIERARCH ESO ISS PBLA24 END 95.576
HIERARCH ESO ISS PBL34 START 61.372
HIERARCH ESO ISS PBL34 END 61.274
HIERARCH ESO ISS PBLA34 START 124.395
HIERARCH ESO ISS PBLA34 END 124.905
HIERARCH ESO ISS AMBI TAU0 START 0.00904
HIERARCH ESO ISS AMBI TAU0 END 0.008398
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.4