Exposure
ID
GRAVI.2025-07-09T23:34:36.083_1
Header ID
GRAVI.2025-07-09T23:34:36.083
Date updated
2025-07-09 23:45:48 UTC+0000
Release date
2025-07-09 23:34:36 UTC+0000
UTC Start
2025-07-09 23:34:36.083
UTC End
2025-07-09 23:37:16.083
MJD Start
60865.98236207
MJD End
60865.98421392185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0084685
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.395
Observation
ID
68483
Category
calibrator
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
50918
Name
HD142834
RA
239.557837
DEC
-38.32301
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 56.3540 56.3440 11.9000 12.3000
U1-U3 102.3750 102.3640 17.6000 18.0000
U1-U4 127.8700 128.0340 42.6380 43.1680
U2-U3 46.6220 46.6270 24.4000 24.8000
U2-U4 84.4630 84.7220 62.5510 63.0980
U3-U4 55.8190 56.0980 93.6280 94.0650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GH.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60865.98236207
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 142834
HIERARCH ESO INS SOBJ NAME HD142834
RA 239.557837
DEC -38.32301
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 56.354
HIERARCH ESO ISS PBL12 END 56.344
HIERARCH ESO ISS PBLA12 START 11.9
HIERARCH ESO ISS PBLA12 END 12.3
HIERARCH ESO ISS PBL13 START 102.375
HIERARCH ESO ISS PBL13 END 102.364
HIERARCH ESO ISS PBLA13 START 17.6
HIERARCH ESO ISS PBLA13 END 18.0
HIERARCH ESO ISS PBL14 START 127.87
HIERARCH ESO ISS PBL14 END 128.034
HIERARCH ESO ISS PBLA14 START 42.638
HIERARCH ESO ISS PBLA14 END 43.168
HIERARCH ESO ISS PBL23 START 46.622
HIERARCH ESO ISS PBL23 END 46.627
HIERARCH ESO ISS PBLA23 START 24.4
HIERARCH ESO ISS PBLA23 END 24.8
HIERARCH ESO ISS PBL24 START 84.463
HIERARCH ESO ISS PBL24 END 84.722
HIERARCH ESO ISS PBLA24 START 62.551
HIERARCH ESO ISS PBLA24 END 63.098
HIERARCH ESO ISS PBL34 START 55.819
HIERARCH ESO ISS PBL34 END 56.098
HIERARCH ESO ISS PBLA34 START 93.628
HIERARCH ESO ISS PBLA34 END 94.065
HIERARCH ESO ISS AMBI TAU0 START 0.00821
HIERARCH ESO ISS AMBI TAU0 END 0.008727
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.4