Exposure
ID
GRAVI.2025-07-08T23:31:39.874_1
Header ID
GRAVI.2025-07-08T23:31:39.874
Date updated
2025-07-08 23:40:34 UTC+0000
Release date
2026-07-08 23:40:34 UTC+0000
UTC Start
2025-07-08 23:31:39.874
UTC End
2025-07-08 23:34:19.874
MJD Start
60864.98032261
MJD End
60864.98217446185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0095785
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.53
Observation
ID
68402
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
50837
Name
RU_Lup
RA
239.178699
DEC
-37.82163
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 56.4090 56.4000 11.2000 11.6000
U1-U3 102.4130 102.4060 16.8000 17.2000
U1-U4 127.3840 127.5800 41.7210 42.3110
U2-U3 46.5960 46.6040 23.5000 24.0000
U2-U4 83.8460 84.1450 61.7060 62.3070
U3-U4 55.3080 55.6250 93.0900 93.5640
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 60864.98032261
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178699
DEC -37.82163
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 56.409
HIERARCH ESO ISS PBL12 END 56.4
HIERARCH ESO ISS PBLA12 START 11.2
HIERARCH ESO ISS PBLA12 END 11.6
HIERARCH ESO ISS PBL13 START 102.413
HIERARCH ESO ISS PBL13 END 102.406
HIERARCH ESO ISS PBLA13 START 16.8
HIERARCH ESO ISS PBLA13 END 17.2
HIERARCH ESO ISS PBL14 START 127.384
HIERARCH ESO ISS PBL14 END 127.58
HIERARCH ESO ISS PBLA14 START 41.721
HIERARCH ESO ISS PBLA14 END 42.311
HIERARCH ESO ISS PBL23 START 46.596
HIERARCH ESO ISS PBL23 END 46.604
HIERARCH ESO ISS PBLA23 START 23.5
HIERARCH ESO ISS PBLA23 END 24.0
HIERARCH ESO ISS PBL24 START 83.846
HIERARCH ESO ISS PBL24 END 84.145
HIERARCH ESO ISS PBLA24 START 61.706
HIERARCH ESO ISS PBLA24 END 62.307
HIERARCH ESO ISS PBL34 START 55.308
HIERARCH ESO ISS PBL34 END 55.625
HIERARCH ESO ISS PBLA34 START 93.09
HIERARCH ESO ISS PBLA34 END 93.564
HIERARCH ESO ISS AMBI TAU0 START 0.009368
HIERARCH ESO ISS AMBI TAU0 END 0.009789
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.52