Exposure
ID
PIONI.2025-03-22T00:55:43.212_1
Header ID
PIONI.2025-03-22T00:55:43.212
Date updated
2025-03-22 01:05:56 UTC+0000
Release date
2026-03-22 01:05:56 UTC+0000
UTC Start
2025-03-22 00:55:43.211
UTC End
2025-03-22 00:56:08.811
MJD Start
60756.0386945759
MJD End
60756.0389908722
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003743
Ambient temperature (°C)
15.38
Seeing (arcsec)
0.64
Observation
ID
65760
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
48931
Name
HIP56656
RA
174.247202
DEC
-61.28344
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 70.2590 70.3240 65.3000 65.5000
A0-J2 118.1320 118.1780 44.6000 44.7000
A0-K0 126.8340 126.8440 29.4160 29.5560
G1-J2 58.0430 58.0420 19.2000 19.3000
G1-K0 81.1840 81.1850 358.9060 359.0020
J2-K0 33.4660 33.4930 321.9470 322.0190
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 60756.0386945759
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP56656
RA 174.247202
DEC -61.28344
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 70.259
HIERARCH ESO ISS PBL12 END 70.324
HIERARCH ESO ISS PBLA12 START 65.3
HIERARCH ESO ISS PBLA12 END 65.5
HIERARCH ESO ISS PBL13 START 118.132
HIERARCH ESO ISS PBL13 END 118.178
HIERARCH ESO ISS PBLA13 START 44.6
HIERARCH ESO ISS PBLA13 END 44.7
HIERARCH ESO ISS PBL14 START 126.834
HIERARCH ESO ISS PBL14 END 126.844
HIERARCH ESO ISS PBLA14 START 29.416
HIERARCH ESO ISS PBLA14 END 29.556
HIERARCH ESO ISS PBL23 START 58.043
HIERARCH ESO ISS PBL23 END 58.042
HIERARCH ESO ISS PBLA23 START 19.2
HIERARCH ESO ISS PBLA23 END 19.3
HIERARCH ESO ISS PBL24 START 81.184
HIERARCH ESO ISS PBL24 END 81.185
HIERARCH ESO ISS PBLA24 START 358.906
HIERARCH ESO ISS PBLA24 END 359.002
HIERARCH ESO ISS PBL34 START 33.466
HIERARCH ESO ISS PBL34 END 33.493
HIERARCH ESO ISS PBLA34 START 321.947
HIERARCH ESO ISS PBLA34 END 322.019
HIERARCH ESO ISS AMBI TAU0 START 0.003743
HIERARCH ESO ISS AMBI TAU0 END 0.003743
HIERARCH ESO ISS AMBI TEMP 15.38
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64