Exposure
ID
GRAVI.2025-07-11T03:41:00.119_1
Header ID
GRAVI.2025-07-11T03:41:00.119
Date updated
2025-07-11 03:50:46 UTC+0000
Release date
2026-07-11 03:50:46 UTC+0000
UTC Start
2025-07-11 03:41:00.119
UTC End
2025-07-11 03:43:40.119
MJD Start
60867.1534736
MJD End
60867.15532545186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004422499999999999
Ambient temperature (°C)
11.27
Seeing (arcsec)
0.52
Observation
ID
68644
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
51059
Name
RU_Lup
RA
239.17885
DEC
-37.82158
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 50.3750 50.2060 40.1000 40.3000
U1-U3 89.7280 89.3590 47.0000 47.2000
U1-U4 110.3240 109.6300 79.4230 79.8080
U2-U3 40.1720 39.9730 55.6000 55.9000
U2-U4 78.1670 77.7370 103.5220 104.0510
U3-U4 59.2680 59.1230 133.7080 134.2950
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 60867.1534736
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.17885
DEC -37.82158
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 50.375
HIERARCH ESO ISS PBL12 END 50.206
HIERARCH ESO ISS PBLA12 START 40.1
HIERARCH ESO ISS PBLA12 END 40.3
HIERARCH ESO ISS PBL13 START 89.728
HIERARCH ESO ISS PBL13 END 89.359
HIERARCH ESO ISS PBLA13 START 47.0
HIERARCH ESO ISS PBLA13 END 47.2
HIERARCH ESO ISS PBL14 START 110.324
HIERARCH ESO ISS PBL14 END 109.63
HIERARCH ESO ISS PBLA14 START 79.423
HIERARCH ESO ISS PBLA14 END 79.808
HIERARCH ESO ISS PBL23 START 40.172
HIERARCH ESO ISS PBL23 END 39.973
HIERARCH ESO ISS PBLA23 START 55.6
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 78.167
HIERARCH ESO ISS PBL24 END 77.737
HIERARCH ESO ISS PBLA24 START 103.522
HIERARCH ESO ISS PBLA24 END 104.051
HIERARCH ESO ISS PBL34 START 59.268
HIERARCH ESO ISS PBL34 END 59.123
HIERARCH ESO ISS PBLA34 START 133.708
HIERARCH ESO ISS PBLA34 END 134.295
HIERARCH ESO ISS AMBI TAU0 START 0.004855
HIERARCH ESO ISS AMBI TAU0 END 0.00399
HIERARCH ESO ISS AMBI TEMP 11.27
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.55