Exposure
ID
GRAVI.2025-07-09T04:17:25.601_1
Header ID
GRAVI.2025-07-09T04:17:25.601
Date updated
2025-07-09 04:30:45 UTC+0000
Release date
2025-07-09 04:17:25 UTC+0000
UTC Start
2025-07-09 04:17:25.601
UTC End
2025-07-09 04:20:05.601
MJD Start
60865.17876853
MJD End
60865.180620381856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007662500000000001
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.435
Observation
ID
68453
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
50888
Name
HD142834
RA
239.557781
DEC
-38.3229
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 48.5170 48.3190 42.3000 42.5000
U1-U3 85.7680 85.3380 49.3000 49.5000
U1-U4 103.4070 102.6120 83.4060 83.8130
U2-U3 38.0780 37.8460 58.2000 58.5000
U2-U4 74.1060 73.6270 108.9220 109.5080
U3-U4 58.0340 57.8830 139.4380 140.0720
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 60865.17876853
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 142834
HIERARCH ESO INS SOBJ NAME HD142834
RA 239.557781
DEC -38.3229
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 48.517
HIERARCH ESO ISS PBL12 END 48.319
HIERARCH ESO ISS PBLA12 START 42.3
HIERARCH ESO ISS PBLA12 END 42.5
HIERARCH ESO ISS PBL13 START 85.768
HIERARCH ESO ISS PBL13 END 85.338
HIERARCH ESO ISS PBLA13 START 49.3
HIERARCH ESO ISS PBLA13 END 49.5
HIERARCH ESO ISS PBL14 START 103.407
HIERARCH ESO ISS PBL14 END 102.612
HIERARCH ESO ISS PBLA14 START 83.406
HIERARCH ESO ISS PBLA14 END 83.813
HIERARCH ESO ISS PBL23 START 38.078
HIERARCH ESO ISS PBL23 END 37.846
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 74.106
HIERARCH ESO ISS PBL24 END 73.627
HIERARCH ESO ISS PBLA24 START 108.922
HIERARCH ESO ISS PBLA24 END 109.508
HIERARCH ESO ISS PBL34 START 58.034
HIERARCH ESO ISS PBL34 END 57.883
HIERARCH ESO ISS PBLA34 START 139.438
HIERARCH ESO ISS PBLA34 END 140.072
HIERARCH ESO ISS AMBI TAU0 START 0.008148
HIERARCH ESO ISS AMBI TAU0 END 0.007177
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.45