Exposure
ID
GRAVI.2025-07-08T23:42:36.901_1
Header ID
GRAVI.2025-07-08T23:42:36.901
Date updated
2025-07-08 23:55:38 UTC+0000
Release date
2026-07-08 23:55:38 UTC+0000
UTC Start
2025-07-08 23:42:36.901
UTC End
2025-07-08 23:45:16.901
MJD Start
60864.9879271
MJD End
60864.98977895186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0075165
Ambient temperature (°C)
14.42
Seeing (arcsec)
0.6000000000000001
Observation
ID
68403
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
50838
Name
RU_Lup
RA
239.178702
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 56.3750 56.3640 12.7000 13.2000
U1-U3 102.3830 102.3710 18.4000 18.9000
U1-U4 128.0350 128.2130 43.7260 44.3010
U2-U3 46.6220 46.6280 25.3000 25.8000
U2-U4 84.8450 85.1210 63.7440 64.3280
U3-U4 56.3650 56.6580 94.7050 95.1720
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 60864.9879271
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V RU Lup
HIERARCH ESO INS SOBJ NAME RU_Lup
RA 239.178702
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 56.375
HIERARCH ESO ISS PBL12 END 56.364
HIERARCH ESO ISS PBLA12 START 12.7
HIERARCH ESO ISS PBLA12 END 13.2
HIERARCH ESO ISS PBL13 START 102.383
HIERARCH ESO ISS PBL13 END 102.371
HIERARCH ESO ISS PBLA13 START 18.4
HIERARCH ESO ISS PBLA13 END 18.9
HIERARCH ESO ISS PBL14 START 128.035
HIERARCH ESO ISS PBL14 END 128.213
HIERARCH ESO ISS PBLA14 START 43.726
HIERARCH ESO ISS PBLA14 END 44.301
HIERARCH ESO ISS PBL23 START 46.622
HIERARCH ESO ISS PBL23 END 46.628
HIERARCH ESO ISS PBLA23 START 25.3
HIERARCH ESO ISS PBLA23 END 25.8
HIERARCH ESO ISS PBL24 START 84.845
HIERARCH ESO ISS PBL24 END 85.121
HIERARCH ESO ISS PBLA24 START 63.744
HIERARCH ESO ISS PBLA24 END 64.328
HIERARCH ESO ISS PBL34 START 56.365
HIERARCH ESO ISS PBL34 END 56.658
HIERARCH ESO ISS PBLA34 START 94.705
HIERARCH ESO ISS PBLA34 END 95.172
HIERARCH ESO ISS AMBI TAU0 START 0.007174
HIERARCH ESO ISS AMBI TAU0 END 0.007859
HIERARCH ESO ISS AMBI TEMP 14.42
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.54