Exposure
ID
GRAVI.2025-07-12T00:09:09.418_1
Header ID
GRAVI.2025-07-12T00:09:09.418
Date updated
2025-07-12 00:20:44 UTC+0000
Release date
2026-07-12 00:20:44 UTC+0000
UTC Start
2025-07-12 00:09:09.418
UTC End
2025-07-12 00:11:49.418
MJD Start
60868.00635901
MJD End
60868.00821086186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002818
Ambient temperature (°C)
10.44
Seeing (arcsec)
0.65
Observation
ID
68683
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
51097
Name
RU_Lup
RA
239.178313
DEC
-37.82148
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 56.1810 56.1600 17.9000 18.3000
U1-U3 102.1120 102.0770 23.9000 24.3000
U1-U4 129.7250 129.8090 50.3290 50.8110
U2-U3 46.6140 46.6050 31.2000 31.6000
U2-U4 87.6490 87.8150 70.4350 70.9240
U3-U4 59.4020 59.5910 100.2130 100.6310
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 60868.00635901
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178313
DEC -37.82148
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 56.181
HIERARCH ESO ISS PBL12 END 56.16
HIERARCH ESO ISS PBLA12 START 17.9
HIERARCH ESO ISS PBLA12 END 18.3
HIERARCH ESO ISS PBL13 START 102.112
HIERARCH ESO ISS PBL13 END 102.077
HIERARCH ESO ISS PBLA13 START 23.9
HIERARCH ESO ISS PBLA13 END 24.3
HIERARCH ESO ISS PBL14 START 129.725
HIERARCH ESO ISS PBL14 END 129.809
HIERARCH ESO ISS PBLA14 START 50.329
HIERARCH ESO ISS PBLA14 END 50.811
HIERARCH ESO ISS PBL23 START 46.614
HIERARCH ESO ISS PBL23 END 46.605
HIERARCH ESO ISS PBLA23 START 31.2
HIERARCH ESO ISS PBLA23 END 31.6
HIERARCH ESO ISS PBL24 START 87.649
HIERARCH ESO ISS PBL24 END 87.815
HIERARCH ESO ISS PBLA24 START 70.435
HIERARCH ESO ISS PBLA24 END 70.924
HIERARCH ESO ISS PBL34 START 59.402
HIERARCH ESO ISS PBL34 END 59.591
HIERARCH ESO ISS PBLA34 START 100.213
HIERARCH ESO ISS PBLA34 END 100.631
HIERARCH ESO ISS AMBI TAU0 START 0.002818
HIERARCH ESO ISS AMBI TAU0 END 0.002818
HIERARCH ESO ISS AMBI TEMP 10.44
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.62