Exposure
ID
GRAVI.2025-07-09T01:05:34.113_1
Header ID
GRAVI.2025-07-09T01:05:34.113
Date updated
2025-07-09 01:15:40 UTC+0000
Release date
2026-07-09 01:15:40 UTC+0000
UTC Start
2025-07-09 01:05:34.113
UTC End
2025-07-09 01:08:14.113
MJD Start
60865.04553371
MJD End
60865.047385561855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007279
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.81
Observation
ID
68420
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
50855
Name
RU_Lup
RA
239.178725
DEC
-37.82159
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 55.7410 55.7000 23.6000 24.0000
U1-U3 101.2970 101.2170 29.9000 30.3000
U1-U4 130.1150 130.0670 57.3470 57.7910
U2-U3 46.3000 46.2630 37.5000 37.9000
U2-U4 89.3090 89.3510 77.6350 78.0980
U3-U4 61.6230 61.7210 106.6040 107.0330
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 60865.04553371
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178725
DEC -37.82159
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 55.741
HIERARCH ESO ISS PBL12 END 55.7
HIERARCH ESO ISS PBLA12 START 23.6
HIERARCH ESO ISS PBLA12 END 24.0
HIERARCH ESO ISS PBL13 START 101.297
HIERARCH ESO ISS PBL13 END 101.217
HIERARCH ESO ISS PBLA13 START 29.9
HIERARCH ESO ISS PBLA13 END 30.3
HIERARCH ESO ISS PBL14 START 130.115
HIERARCH ESO ISS PBL14 END 130.067
HIERARCH ESO ISS PBLA14 START 57.347
HIERARCH ESO ISS PBLA14 END 57.791
HIERARCH ESO ISS PBL23 START 46.3
HIERARCH ESO ISS PBL23 END 46.263
HIERARCH ESO ISS PBLA23 START 37.5
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 89.309
HIERARCH ESO ISS PBL24 END 89.351
HIERARCH ESO ISS PBLA24 START 77.635
HIERARCH ESO ISS PBLA24 END 78.098
HIERARCH ESO ISS PBL34 START 61.623
HIERARCH ESO ISS PBL34 END 61.721
HIERARCH ESO ISS PBLA34 START 106.604
HIERARCH ESO ISS PBLA34 END 107.033
HIERARCH ESO ISS AMBI TAU0 START 0.006795
HIERARCH ESO ISS AMBI TAU0 END 0.007763
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.83