Exposure
ID
GRAVI.2025-07-09T03:15:43.444_1
Header ID
GRAVI.2025-07-09T03:15:43.444
Date updated
2025-07-09 03:25:36 UTC+0000
Release date
2026-07-09 03:25:36 UTC+0000
UTC Start
2025-07-09 03:15:43.444
UTC End
2025-07-09 03:18:23.444
MJD Start
60865.13591949
MJD End
60865.137771341855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0074635
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.41000000000000003
Observation
ID
68441
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
50876
Name
RU_Lup
RA
239.178099
DEC
-37.82103
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 52.0890 51.9520 37.4000 37.6000
U1-U3 93.4680 93.1690 44.2000 44.4000
U1-U4 117.3470 116.7880 75.1120 75.4920
U2-U3 42.1960 42.0340 52.6000 52.8000
U2-U4 82.5520 82.2030 97.8230 98.3090
U3-U4 60.7610 60.6430 127.3800 127.9180
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 60865.13591949
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178099
DEC -37.82103
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 52.089
HIERARCH ESO ISS PBL12 END 51.952
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 93.468
HIERARCH ESO ISS PBL13 END 93.169
HIERARCH ESO ISS PBLA13 START 44.2
HIERARCH ESO ISS PBLA13 END 44.4
HIERARCH ESO ISS PBL14 START 117.347
HIERARCH ESO ISS PBL14 END 116.788
HIERARCH ESO ISS PBLA14 START 75.112
HIERARCH ESO ISS PBLA14 END 75.492
HIERARCH ESO ISS PBL23 START 42.196
HIERARCH ESO ISS PBL23 END 42.034
HIERARCH ESO ISS PBLA23 START 52.6
HIERARCH ESO ISS PBLA23 END 52.8
HIERARCH ESO ISS PBL24 START 82.552
HIERARCH ESO ISS PBL24 END 82.203
HIERARCH ESO ISS PBLA24 START 97.823
HIERARCH ESO ISS PBLA24 END 98.309
HIERARCH ESO ISS PBL34 START 60.761
HIERARCH ESO ISS PBL34 END 60.643
HIERARCH ESO ISS PBLA34 START 127.38
HIERARCH ESO ISS PBLA34 END 127.918
HIERARCH ESO ISS AMBI TAU0 START 0.008268
HIERARCH ESO ISS AMBI TAU0 END 0.006659
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.42