Exposure
ID
GRAVI.2025-07-09T03:02:13.409_1
Header ID
GRAVI.2025-07-09T03:02:13.409
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 03:02:13.409
UTC End
2025-07-09 03:04:53.409
MJD Start
60865.12654409
MJD End
60865.12839594186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0090345
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.38
Observation
ID
68438
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
50873
Name
RU_Lup
RA
239.178053
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 52.6830 52.5590 36.2000 36.4000
U1-U3 94.7650 94.4940 42.9000 43.2000
U1-U4 119.7580 119.2560 73.3630 73.7430
U2-U3 42.8960 42.7500 51.2000 51.5000
U2-U4 84.0540 83.7420 95.6240 96.0970
U3-U4 61.2640 61.1610 124.9570 125.4770
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 60865.12654409
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178053
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 52.683
HIERARCH ESO ISS PBL12 END 52.559
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.4
HIERARCH ESO ISS PBL13 START 94.765
HIERARCH ESO ISS PBL13 END 94.494
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 119.758
HIERARCH ESO ISS PBL14 END 119.256
HIERARCH ESO ISS PBLA14 START 73.363
HIERARCH ESO ISS PBLA14 END 73.743
HIERARCH ESO ISS PBL23 START 42.896
HIERARCH ESO ISS PBL23 END 42.75
HIERARCH ESO ISS PBLA23 START 51.2
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 84.054
HIERARCH ESO ISS PBL24 END 83.742
HIERARCH ESO ISS PBLA24 START 95.624
HIERARCH ESO ISS PBLA24 END 96.097
HIERARCH ESO ISS PBL34 START 61.264
HIERARCH ESO ISS PBL34 END 61.161
HIERARCH ESO ISS PBLA34 START 124.957
HIERARCH ESO ISS PBLA34 END 125.477
HIERARCH ESO ISS AMBI TAU0 START 0.009348
HIERARCH ESO ISS AMBI TAU0 END 0.008721
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.41