Exposure
ID
GRAVI.2025-07-08T23:50:00.921_1
Header ID
GRAVI.2025-07-08T23:50:00.921
Date updated
2025-07-09 00:00:36 UTC+0000
Release date
2026-07-09 00:00:36 UTC+0000
UTC Start
2025-07-08 23:50:00.921
UTC End
2025-07-08 23:52:40.921
MJD Start
60864.99306621
MJD End
60864.99491806186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009014000000000001
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.495
Observation
ID
68404
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
50839
Name
RU_Lup
RA
239.178701
DEC
-37.82163
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 56.3470 56.3340 13.7000 14.2000
U1-U3 102.3530 102.3370 19.5000 20.0000
U1-U4 128.4380 128.6020 45.0490 45.6140
U2-U3 46.6340 46.6370 26.5000 27.0000
U2-U4 85.4730 85.7330 65.0860 65.6590
U3-U4 57.0320 57.3090 95.7820 96.2460
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 60864.99306621
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178701
DEC -37.82163
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 194.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.347
HIERARCH ESO ISS PBL12 END 56.334
HIERARCH ESO ISS PBLA12 START 13.7
HIERARCH ESO ISS PBLA12 END 14.2
HIERARCH ESO ISS PBL13 START 102.353
HIERARCH ESO ISS PBL13 END 102.337
HIERARCH ESO ISS PBLA13 START 19.5
HIERARCH ESO ISS PBLA13 END 20.0
HIERARCH ESO ISS PBL14 START 128.438
HIERARCH ESO ISS PBL14 END 128.602
HIERARCH ESO ISS PBLA14 START 45.049
HIERARCH ESO ISS PBLA14 END 45.614
HIERARCH ESO ISS PBL23 START 46.634
HIERARCH ESO ISS PBL23 END 46.637
HIERARCH ESO ISS PBLA23 START 26.5
HIERARCH ESO ISS PBLA23 END 27.0
HIERARCH ESO ISS PBL24 START 85.473
HIERARCH ESO ISS PBL24 END 85.733
HIERARCH ESO ISS PBLA24 START 65.086
HIERARCH ESO ISS PBLA24 END 65.659
HIERARCH ESO ISS PBL34 START 57.032
HIERARCH ESO ISS PBL34 END 57.309
HIERARCH ESO ISS PBLA34 START 95.782
HIERARCH ESO ISS PBLA34 END 96.246
HIERARCH ESO ISS AMBI TAU0 START 0.00932
HIERARCH ESO ISS AMBI TAU0 END 0.008708
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.51