Exposure
ID
GRAVI.2025-07-09T01:20:55.152_1
Header ID
GRAVI.2025-07-09T01:20:55.152
Date updated
2025-07-09 01:30:43 UTC+0000
Release date
2025-07-09 01:20:55 UTC+0000
UTC Start
2025-07-09 01:20:55.152
UTC End
2025-07-09 01:23:35.152
MJD Start
60865.05619389
MJD End
60865.058045741855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0077005
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.55
Observation
ID
68421
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
50856
Name
HD142834
RA
239.557932
DEC
-38.32297
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 55.4540 55.4060 25.3000 25.7000
U1-U3 100.7600 100.6620 31.7000 32.1000
U1-U4 129.7590 129.6610 59.4310 59.8570
U2-U3 46.0640 46.0160 39.4000 39.8000
U2-U4 89.4280 89.4270 79.7810 80.2320
U3-U4 62.0050 62.0740 108.5600 108.9900
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 60865.05619389
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 142834
HIERARCH ESO INS SOBJ NAME HD142834
RA 239.557932
DEC -38.32297
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 55.454
HIERARCH ESO ISS PBL12 END 55.406
HIERARCH ESO ISS PBLA12 START 25.3
HIERARCH ESO ISS PBLA12 END 25.7
HIERARCH ESO ISS PBL13 START 100.76
HIERARCH ESO ISS PBL13 END 100.662
HIERARCH ESO ISS PBLA13 START 31.7
HIERARCH ESO ISS PBLA13 END 32.1
HIERARCH ESO ISS PBL14 START 129.759
HIERARCH ESO ISS PBL14 END 129.661
HIERARCH ESO ISS PBLA14 START 59.431
HIERARCH ESO ISS PBLA14 END 59.857
HIERARCH ESO ISS PBL23 START 46.064
HIERARCH ESO ISS PBL23 END 46.016
HIERARCH ESO ISS PBLA23 START 39.4
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 89.428
HIERARCH ESO ISS PBL24 END 89.427
HIERARCH ESO ISS PBLA24 START 79.781
HIERARCH ESO ISS PBLA24 END 80.232
HIERARCH ESO ISS PBL34 START 62.005
HIERARCH ESO ISS PBL34 END 62.074
HIERARCH ESO ISS PBLA34 START 108.56
HIERARCH ESO ISS PBLA34 END 108.99
HIERARCH ESO ISS AMBI TAU0 START 0.007778
HIERARCH ESO ISS AMBI TAU0 END 0.007623
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.42