Exposure
ID
GRAVI.2025-07-11T03:44:15.127_1
Header ID
GRAVI.2025-07-11T03:44:15.127
Date updated
2025-07-11 03:55:41 UTC+0000
Release date
2026-07-11 03:55:41 UTC+0000
UTC Start
2025-07-11 03:44:15.127
UTC End
2025-07-11 03:46:55.127
MJD Start
60867.15573064
MJD End
60867.157582491855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004327
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.535
Observation
ID
68645
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
51060
Name
RU_Lup
RA
239.178849
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 50.1890 50.0180 40.4000 40.6000
U1-U3 89.3210 88.9490 47.2000 47.5000
U1-U4 109.5580 108.8590 79.8480 80.2300
U2-U3 39.9520 39.7510 55.9000 56.2000
U2-U4 77.6920 77.2590 104.1050 104.6340
U3-U4 59.1080 58.9630 134.3550 134.9410
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 60867.15573064
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178849
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 50.189
HIERARCH ESO ISS PBL12 END 50.018
HIERARCH ESO ISS PBLA12 START 40.4
HIERARCH ESO ISS PBLA12 END 40.6
HIERARCH ESO ISS PBL13 START 89.321
HIERARCH ESO ISS PBL13 END 88.949
HIERARCH ESO ISS PBLA13 START 47.2
HIERARCH ESO ISS PBLA13 END 47.5
HIERARCH ESO ISS PBL14 START 109.558
HIERARCH ESO ISS PBL14 END 108.859
HIERARCH ESO ISS PBLA14 START 79.848
HIERARCH ESO ISS PBLA14 END 80.23
HIERARCH ESO ISS PBL23 START 39.952
HIERARCH ESO ISS PBL23 END 39.751
HIERARCH ESO ISS PBLA23 START 55.9
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 77.692
HIERARCH ESO ISS PBL24 END 77.259
HIERARCH ESO ISS PBLA24 START 104.105
HIERARCH ESO ISS PBLA24 END 104.634
HIERARCH ESO ISS PBL34 START 59.108
HIERARCH ESO ISS PBL34 END 58.963
HIERARCH ESO ISS PBLA34 START 134.355
HIERARCH ESO ISS PBLA34 END 134.941
HIERARCH ESO ISS AMBI TAU0 START 0.00421
HIERARCH ESO ISS AMBI TAU0 END 0.004444
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.53