Exposure
ID
PIONI.2025-06-01T02:49:18.161_1
Header ID
PIONI.2025-06-01T02:49:18.161
Date updated
2025-06-01 02:55:59 UTC+0000
Release date
2026-06-01 02:55:59 UTC+0000
UTC Start
2025-06-01 02:49:18.162
UTC End
2025-06-01 02:49:43.762
MJD Start
60827.1175713143
MJD End
60827.1178676106
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005799
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.35
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 47.6810 47.6960 143.7000 143.7000
A0-J2 80.2090 80.4740 90.3000 90.3000
A0-J6 143.6590 143.6510 357.7850 357.8870
B5-J2 64.3780 64.5720 53.9000 54.0000
B5-J6 185.0910 185.0520 349.4880 349.5600
J2-J6 167.6090 167.6240 329.2320 329.2320
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 60827.1175713143
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 47.681
HIERARCH ESO ISS PBL12 END 47.696
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 80.209
HIERARCH ESO ISS PBL13 END 80.474
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 143.659
HIERARCH ESO ISS PBL14 END 143.651
HIERARCH ESO ISS PBLA14 START 357.785
HIERARCH ESO ISS PBLA14 END 357.887
HIERARCH ESO ISS PBL23 START 64.378
HIERARCH ESO ISS PBL23 END 64.572
HIERARCH ESO ISS PBLA23 START 53.9
HIERARCH ESO ISS PBLA23 END 54.0
HIERARCH ESO ISS PBL24 START 185.091
HIERARCH ESO ISS PBL24 END 185.052
HIERARCH ESO ISS PBLA24 START 349.488
HIERARCH ESO ISS PBLA24 END 349.56
HIERARCH ESO ISS PBL34 START 167.609
HIERARCH ESO ISS PBL34 END 167.624
HIERARCH ESO ISS PBLA34 START 329.232
HIERARCH ESO ISS PBLA34 END 329.232
HIERARCH ESO ISS AMBI TAU0 START 0.005799
HIERARCH ESO ISS AMBI TAU0 END 0.005799
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.35