Exposure
ID
GRAVI.2025-07-12T00:22:36.453_1
Header ID
GRAVI.2025-07-12T00:22:36.453
Date updated
2025-07-12 00:35:43 UTC+0000
Release date
2026-07-12 00:35:42 UTC+0000
UTC Start
2025-07-12 00:22:36.453
UTC End
2025-07-12 00:25:16.453
MJD Start
60868.01569969
MJD End
60868.01755154185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001932
Ambient temperature (°C)
10.39
Seeing (arcsec)
0.9550000000000001
Observation
ID
68686
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
51100
Name
RU_Lup
RA
239.178323
DEC
-37.82147
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 56.0770 56.0510 19.7000 20.0000
U1-U3 101.9340 101.8880 25.8000 26.2000
U1-U4 130.0470 130.0960 52.5160 52.9840
U2-U3 46.5600 46.5440 33.1000 33.6000
U2-U4 88.3470 88.4770 72.6600 73.1370
U3-U4 60.2220 60.3830 102.1320 102.5500
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 60868.01569969
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178323
DEC -37.82147
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 56.077
HIERARCH ESO ISS PBL12 END 56.051
HIERARCH ESO ISS PBLA12 START 19.7
HIERARCH ESO ISS PBLA12 END 20.0
HIERARCH ESO ISS PBL13 START 101.934
HIERARCH ESO ISS PBL13 END 101.888
HIERARCH ESO ISS PBLA13 START 25.8
HIERARCH ESO ISS PBLA13 END 26.2
HIERARCH ESO ISS PBL14 START 130.047
HIERARCH ESO ISS PBL14 END 130.096
HIERARCH ESO ISS PBLA14 START 52.516
HIERARCH ESO ISS PBLA14 END 52.984
HIERARCH ESO ISS PBL23 START 46.56
HIERARCH ESO ISS PBL23 END 46.544
HIERARCH ESO ISS PBLA23 START 33.1
HIERARCH ESO ISS PBLA23 END 33.6
HIERARCH ESO ISS PBL24 START 88.347
HIERARCH ESO ISS PBL24 END 88.477
HIERARCH ESO ISS PBLA24 START 72.66
HIERARCH ESO ISS PBLA24 END 73.137
HIERARCH ESO ISS PBL34 START 60.222
HIERARCH ESO ISS PBL34 END 60.383
HIERARCH ESO ISS PBLA34 START 102.132
HIERARCH ESO ISS PBLA34 END 102.55
HIERARCH ESO ISS AMBI TAU0 START 0.00207
HIERARCH ESO ISS AMBI TAU0 END 0.001794
HIERARCH ESO ISS AMBI TEMP 10.39
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.99