Exposure
ID
GRAVI.2025-07-12T00:49:30.522_1
Header ID
GRAVI.2025-07-12T00:49:30.522
Date updated
2025-07-12 01:00:46 UTC+0000
Release date
2026-07-12 01:00:46 UTC+0000
UTC Start
2025-07-12 00:49:30.522
UTC End
2025-07-12 00:52:10.522
MJD Start
60868.03438104
MJD End
60868.036232891856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0024860000000000004
Ambient temperature (°C)
10.43
Seeing (arcsec)
0.855
Observation
ID
68691
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
51105
Name
RU_Lup
RA
239.178358
DEC
-37.82145
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 55.7960 55.7580 23.1000 23.4000
U1-U3 101.4050 101.3310 29.3000 29.7000
U1-U4 130.1670 130.1330 56.6980 57.1400
U2-U3 46.3480 46.3150 36.9000 37.3000
U2-U4 89.2330 89.2870 76.9600 77.4200
U3-U4 61.4720 61.5770 105.9810 106.4040
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 60868.03438104
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178358
DEC -37.82145
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 55.796
HIERARCH ESO ISS PBL12 END 55.758
HIERARCH ESO ISS PBLA12 START 23.1
HIERARCH ESO ISS PBLA12 END 23.4
HIERARCH ESO ISS PBL13 START 101.405
HIERARCH ESO ISS PBL13 END 101.331
HIERARCH ESO ISS PBLA13 START 29.3
HIERARCH ESO ISS PBLA13 END 29.7
HIERARCH ESO ISS PBL14 START 130.167
HIERARCH ESO ISS PBL14 END 130.133
HIERARCH ESO ISS PBLA14 START 56.698
HIERARCH ESO ISS PBLA14 END 57.14
HIERARCH ESO ISS PBL23 START 46.348
HIERARCH ESO ISS PBL23 END 46.315
HIERARCH ESO ISS PBLA23 START 36.9
HIERARCH ESO ISS PBLA23 END 37.3
HIERARCH ESO ISS PBL24 START 89.233
HIERARCH ESO ISS PBL24 END 89.287
HIERARCH ESO ISS PBLA24 START 76.96
HIERARCH ESO ISS PBLA24 END 77.42
HIERARCH ESO ISS PBL34 START 61.472
HIERARCH ESO ISS PBL34 END 61.577
HIERARCH ESO ISS PBLA34 START 105.981
HIERARCH ESO ISS PBLA34 END 106.404
HIERARCH ESO ISS AMBI TAU0 START 0.002249
HIERARCH ESO ISS AMBI TAU0 END 0.002723
HIERARCH ESO ISS AMBI TEMP 10.43
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.9