Exposure
ID
PIONI.2025-03-02T06:25:31.214_1
Header ID
PIONI.2025-03-02T06:25:31.214
Date updated
2025-03-02 06:30:49 UTC+0000
Release date
2026-03-02 06:30:49 UTC+0000
UTC Start
2025-03-02 06:25:31.215
UTC End
2025-03-02 06:25:56.815
MJD Start
60736.2677223939
MJD End
60736.2680186902
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0037229999999999997
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.945
Observation
ID
64931
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
48360
Name
HIP52689
RA
161.603451
DEC
14.19428
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.1870 71.0530 109.0000 109.0000
A0-J2 116.7900 116.6490 86.1000 86.1000
A0-K0 125.7380 125.6810 69.0500 69.0040
G1-J2 58.2260 58.2270 57.7000 57.7000
G1-K0 84.6230 84.6710 36.3230 36.3310
J2-K0 37.0930 37.0950 1.3860 1.4730
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 60736.2677223939
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP52689
RA 161.603451
DEC 14.19428
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 71.187
HIERARCH ESO ISS PBL12 END 71.053
HIERARCH ESO ISS PBLA12 START 109.0
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 116.79
HIERARCH ESO ISS PBL13 END 116.649
HIERARCH ESO ISS PBLA13 START 86.1
HIERARCH ESO ISS PBLA13 END 86.1
HIERARCH ESO ISS PBL14 START 125.738
HIERARCH ESO ISS PBL14 END 125.681
HIERARCH ESO ISS PBLA14 START 69.05
HIERARCH ESO ISS PBLA14 END 69.004
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 84.623
HIERARCH ESO ISS PBL24 END 84.671
HIERARCH ESO ISS PBLA24 START 36.323
HIERARCH ESO ISS PBLA24 END 36.331
HIERARCH ESO ISS PBL34 START 37.093
HIERARCH ESO ISS PBL34 END 37.095
HIERARCH ESO ISS PBLA34 START 1.386
HIERARCH ESO ISS PBLA34 END 1.473
HIERARCH ESO ISS AMBI TAU0 START 0.003823
HIERARCH ESO ISS AMBI TAU0 END 0.003623
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.95