Exposure
ID
GRAVI.2025-07-09T03:33:37.489_1
Header ID
GRAVI.2025-07-09T03:33:37.489
Date updated
2025-07-09 03:45:41 UTC+0000
Release date
2026-07-09 03:45:41 UTC+0000
UTC Start
2025-07-09 03:33:37.489
UTC End
2025-07-09 03:36:17.489
MJD Start
60865.14835057
MJD End
60865.15020242186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0056135000000000004
Ambient temperature (°C)
13.85
Seeing (arcsec)
0.475
Observation
ID
68445
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
50880
Name
RU_Lup
RA
239.178165
DEC
-37.821
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 51.2080 51.0540 38.9000 39.1000
U1-U3 91.5460 91.2100 45.7000 46.0000
U1-U4 113.7440 113.1120 77.4360 77.8170
U2-U3 41.1560 40.9740 54.3000 54.5000
U2-U4 80.2990 79.9040 100.8440 101.3510
U3-U4 59.9930 59.8580 130.7310 131.2950
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 60865.14835057
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178165
DEC -37.821
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 51.208
HIERARCH ESO ISS PBL12 END 51.054
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 39.1
HIERARCH ESO ISS PBL13 START 91.546
HIERARCH ESO ISS PBL13 END 91.21
HIERARCH ESO ISS PBLA13 START 45.7
HIERARCH ESO ISS PBLA13 END 46.0
HIERARCH ESO ISS PBL14 START 113.744
HIERARCH ESO ISS PBL14 END 113.112
HIERARCH ESO ISS PBLA14 START 77.436
HIERARCH ESO ISS PBLA14 END 77.817
HIERARCH ESO ISS PBL23 START 41.156
HIERARCH ESO ISS PBL23 END 40.974
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 80.299
HIERARCH ESO ISS PBL24 END 79.904
HIERARCH ESO ISS PBLA24 START 100.844
HIERARCH ESO ISS PBLA24 END 101.351
HIERARCH ESO ISS PBL34 START 59.993
HIERARCH ESO ISS PBL34 END 59.858
HIERARCH ESO ISS PBLA34 START 130.731
HIERARCH ESO ISS PBLA34 END 131.295
HIERARCH ESO ISS AMBI TAU0 START 0.006254
HIERARCH ESO ISS AMBI TAU0 END 0.004973
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.48