Exposure
ID
GRAVI.2025-07-12T01:06:09.564_1
Header ID
GRAVI.2025-07-12T01:06:09.564
Date updated
2025-07-12 01:15:42 UTC+0000
Release date
2026-07-12 01:15:42 UTC+0000
UTC Start
2025-07-12 01:06:09.564
UTC End
2025-07-12 01:08:49.564
MJD Start
60868.04594403
MJD End
60868.04779588185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002004
Ambient temperature (°C)
10.36
Seeing (arcsec)
1.09
Observation
ID
68695
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
51109
Name
RU_Lup
RA
239.178407
DEC
-37.82143
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 55.5630 55.5160 25.1000 25.4000
U1-U3 100.9400 100.8460 31.5000 31.8000
U1-U4 129.8480 129.7590 59.1770 59.6050
U2-U3 46.1340 46.0890 39.1000 39.5000
U2-U4 89.4250 89.4290 79.5520 80.0040
U3-U4 61.9900 62.0620 108.3990 108.8280
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 60868.04594403
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178407
DEC -37.82143
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 55.563
HIERARCH ESO ISS PBL12 END 55.516
HIERARCH ESO ISS PBLA12 START 25.1
HIERARCH ESO ISS PBLA12 END 25.4
HIERARCH ESO ISS PBL13 START 100.94
HIERARCH ESO ISS PBL13 END 100.846
HIERARCH ESO ISS PBLA13 START 31.5
HIERARCH ESO ISS PBLA13 END 31.8
HIERARCH ESO ISS PBL14 START 129.848
HIERARCH ESO ISS PBL14 END 129.759
HIERARCH ESO ISS PBLA14 START 59.177
HIERARCH ESO ISS PBLA14 END 59.605
HIERARCH ESO ISS PBL23 START 46.134
HIERARCH ESO ISS PBL23 END 46.089
HIERARCH ESO ISS PBLA23 START 39.1
HIERARCH ESO ISS PBLA23 END 39.5
HIERARCH ESO ISS PBL24 START 89.425
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 79.552
HIERARCH ESO ISS PBLA24 END 80.004
HIERARCH ESO ISS PBL34 START 61.99
HIERARCH ESO ISS PBL34 END 62.062
HIERARCH ESO ISS PBLA34 START 108.399
HIERARCH ESO ISS PBLA34 END 108.828
HIERARCH ESO ISS AMBI TAU0 START 0.002004
HIERARCH ESO ISS AMBI TAU0 END 0.002004
HIERARCH ESO ISS AMBI TEMP 10.36
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.09