Exposure
ID
GRAVI.2025-07-08T23:56:00.936_1
Header ID
GRAVI.2025-07-08T23:56:00.936
Date updated
2025-07-09 00:05:40 UTC+0000
Release date
2026-07-09 00:05:39 UTC+0000
UTC Start
2025-07-08 23:56:00.936
UTC End
2025-07-08 23:58:40.936
MJD Start
60864.99723305
MJD End
60864.99908490186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0082875
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.55
Observation
ID
68405
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
50840
Name
RU_Lup
RA
239.178701
DEC
-37.82162
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 56.3220 56.3070 14.6000 15.0000
U1-U3 102.3210 102.3020 20.4000 20.8000
U1-U4 128.7390 128.8920 46.0990 46.6620
U2-U3 46.6390 46.6410 27.4000 27.9000
U2-U4 85.9510 86.2000 66.1500 66.7200
U3-U4 57.5420 57.8080 96.6460 97.1120
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 60864.99723305
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178701
DEC -37.82162
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 194.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.322
HIERARCH ESO ISS PBL12 END 56.307
HIERARCH ESO ISS PBLA12 START 14.6
HIERARCH ESO ISS PBLA12 END 15.0
HIERARCH ESO ISS PBL13 START 102.321
HIERARCH ESO ISS PBL13 END 102.302
HIERARCH ESO ISS PBLA13 START 20.4
HIERARCH ESO ISS PBLA13 END 20.8
HIERARCH ESO ISS PBL14 START 128.739
HIERARCH ESO ISS PBL14 END 128.892
HIERARCH ESO ISS PBLA14 START 46.099
HIERARCH ESO ISS PBLA14 END 46.662
HIERARCH ESO ISS PBL23 START 46.639
HIERARCH ESO ISS PBL23 END 46.641
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 27.9
HIERARCH ESO ISS PBL24 START 85.951
HIERARCH ESO ISS PBL24 END 86.2
HIERARCH ESO ISS PBLA24 START 66.15
HIERARCH ESO ISS PBLA24 END 66.72
HIERARCH ESO ISS PBL34 START 57.542
HIERARCH ESO ISS PBL34 END 57.808
HIERARCH ESO ISS PBLA34 START 96.646
HIERARCH ESO ISS PBLA34 END 97.112
HIERARCH ESO ISS AMBI TAU0 START 0.008211
HIERARCH ESO ISS AMBI TAU0 END 0.008364
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.56