Exposure
ID
PIONI.2025-06-01T03:05:54.924_1
Header ID
PIONI.2025-06-01T03:05:54.924
Date updated
2025-06-01 03:16:34 UTC+0000
Release date
2026-06-01 03:16:34 UTC+0000
UTC Start
2025-06-01 03:05:54.924
UTC End
2025-06-01 03:06:20.524
MJD Start
60827.1291079167
MJD End
60827.129404212996
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00943
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.27
Observation
ID
67666
Category
science
Program ID
115.285P.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
50319
Name
HIP89587
RA
274.220794
DEC
-3.00895
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.0550 48.0670 143.3000 143.3000
A0-J2 87.3370 87.5870 90.5000 90.5000
A0-J6 143.5680 143.5710 0.6190 0.7210
B5-J2 69.7390 69.9320 57.2000 57.3000
B5-J6 184.1120 184.0800 351.5210 351.5960
J2-J6 167.9020 167.9080 329.2820 329.2870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.1291079167
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89587
RA 274.220794
DEC -3.00895
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.055
HIERARCH ESO ISS PBL12 END 48.067
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 87.337
HIERARCH ESO ISS PBL13 END 87.587
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 143.568
HIERARCH ESO ISS PBL14 END 143.571
HIERARCH ESO ISS PBLA14 START 0.619
HIERARCH ESO ISS PBLA14 END 0.721
HIERARCH ESO ISS PBL23 START 69.739
HIERARCH ESO ISS PBL23 END 69.932
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 57.3
HIERARCH ESO ISS PBL24 START 184.112
HIERARCH ESO ISS PBL24 END 184.08
HIERARCH ESO ISS PBLA24 START 351.521
HIERARCH ESO ISS PBLA24 END 351.596
HIERARCH ESO ISS PBL34 START 167.902
HIERARCH ESO ISS PBL34 END 167.908
HIERARCH ESO ISS PBLA34 START 329.282
HIERARCH ESO ISS PBLA34 END 329.287
HIERARCH ESO ISS AMBI TAU0 START 0.00943
HIERARCH ESO ISS AMBI TAU0 END 0.00943
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27