Exposure
ID
GRAVI.2025-07-11T23:59:24.394_1
Header ID
GRAVI.2025-07-11T23:59:24.394
Date updated
2025-07-12 00:10:47 UTC+0000
Release date
2026-07-12 00:10:46 UTC+0000
UTC Start
2025-07-11 23:59:24.394
UTC End
2025-07-12 00:02:04.394
MJD Start
60867.99958789
MJD End
60868.001439741856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002286
Ambient temperature (°C)
10.53
Seeing (arcsec)
0.795
Observation
ID
68681
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
51095
Name
RU_Lup
RA
239.178303
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 56.2430 56.2260 16.6000 17.0000
U1-U3 102.2100 102.1830 22.5000 23.0000
U1-U4 129.3960 129.5040 48.7060 49.1990
U2-U3 46.6340 46.6300 29.7000 30.2000
U2-U4 87.0470 87.2370 68.7890 69.2890
U3-U4 58.7280 58.9380 98.8240 99.2430
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 60867.99958789
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178303
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 56.243
HIERARCH ESO ISS PBL12 END 56.226
HIERARCH ESO ISS PBLA12 START 16.6
HIERARCH ESO ISS PBLA12 END 17.0
HIERARCH ESO ISS PBL13 START 102.21
HIERARCH ESO ISS PBL13 END 102.183
HIERARCH ESO ISS PBLA13 START 22.5
HIERARCH ESO ISS PBLA13 END 23.0
HIERARCH ESO ISS PBL14 START 129.396
HIERARCH ESO ISS PBL14 END 129.504
HIERARCH ESO ISS PBLA14 START 48.706
HIERARCH ESO ISS PBLA14 END 49.199
HIERARCH ESO ISS PBL23 START 46.634
HIERARCH ESO ISS PBL23 END 46.63
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 30.2
HIERARCH ESO ISS PBL24 START 87.047
HIERARCH ESO ISS PBL24 END 87.237
HIERARCH ESO ISS PBLA24 START 68.789
HIERARCH ESO ISS PBLA24 END 69.289
HIERARCH ESO ISS PBL34 START 58.728
HIERARCH ESO ISS PBL34 END 58.938
HIERARCH ESO ISS PBLA34 START 98.824
HIERARCH ESO ISS PBLA34 END 99.243
HIERARCH ESO ISS AMBI TAU0 START 0.002286
HIERARCH ESO ISS AMBI TAU0 END 0.002286
HIERARCH ESO ISS AMBI TEMP 10.53
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.78