Exposure
ID
PIONI.2025-05-31T03:29:36.021_1
Header ID
PIONI.2025-05-31T03:29:36.021
Date updated
2025-05-31 03:36:41 UTC+0000
Release date
2026-05-31 03:36:40 UTC+0000
UTC Start
2025-05-31 03:29:36.021
UTC End
2025-05-31 03:30:01.621
MJD Start
60826.1455557961
MJD End
60826.1458520924
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009251
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.34
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 48.3850 48.3930 143.1000 143.1000
A0-J2 95.2210 95.4490 90.7000 90.7000
A0-J6 143.8800 143.8970 3.9830 4.0850
B5-J2 76.0150 76.2020 60.5000 60.5000
B5-J6 183.2010 183.1780 354.0220 354.0990
J2-J6 167.9500 167.9470 329.5150 329.5250
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 60826.1455557961
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 48.385
HIERARCH ESO ISS PBL12 END 48.393
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 95.221
HIERARCH ESO ISS PBL13 END 95.449
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.7
HIERARCH ESO ISS PBL14 START 143.88
HIERARCH ESO ISS PBL14 END 143.897
HIERARCH ESO ISS PBLA14 START 3.983
HIERARCH ESO ISS PBLA14 END 4.085
HIERARCH ESO ISS PBL23 START 76.015
HIERARCH ESO ISS PBL23 END 76.202
HIERARCH ESO ISS PBLA23 START 60.5
HIERARCH ESO ISS PBLA23 END 60.5
HIERARCH ESO ISS PBL24 START 183.201
HIERARCH ESO ISS PBL24 END 183.178
HIERARCH ESO ISS PBLA24 START 354.022
HIERARCH ESO ISS PBLA24 END 354.099
HIERARCH ESO ISS PBL34 START 167.95
HIERARCH ESO ISS PBL34 END 167.947
HIERARCH ESO ISS PBLA34 START 329.515
HIERARCH ESO ISS PBLA34 END 329.525
HIERARCH ESO ISS AMBI TAU0 START 0.009251
HIERARCH ESO ISS AMBI TAU0 END 0.009251
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34