Exposure
ID
PIONI.2025-03-21T03:12:46.808_1
Header ID
PIONI.2025-03-21T03:12:46.808
Date updated
2025-03-21 03:20:37 UTC+0000
Release date
2026-03-21 03:20:37 UTC+0000
UTC Start
2025-03-21 03:12:46.808
UTC End
2025-03-21 03:13:12.408
MJD Start
60755.1338750948
MJD End
60755.134171391095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00766
Ambient temperature (°C)
16.28
Seeing (arcsec)
0.65
Observation
ID
65736
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
48909
Name
HIP53273
RA
163.430552
DEC
-2.12912
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 90.3710 90.3590 113.7000 113.7000
A0-J2 128.5320 128.5670 92.3000 92.4000
A0-K0 124.2760 124.3520 71.6770 71.6950
G1-J2 55.2300 55.2700 55.8000 55.8000
G1-K0 83.2070 83.2460 25.0400 25.1040
J2-K0 45.5430 45.5320 346.7320 346.7930
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 60755.1338750948
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP53273
RA 163.430552
DEC -2.12912
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 90.371
HIERARCH ESO ISS PBL12 END 90.359
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 128.532
HIERARCH ESO ISS PBL13 END 128.567
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 124.276
HIERARCH ESO ISS PBL14 END 124.352
HIERARCH ESO ISS PBLA14 START 71.677
HIERARCH ESO ISS PBLA14 END 71.695
HIERARCH ESO ISS PBL23 START 55.23
HIERARCH ESO ISS PBL23 END 55.27
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 55.8
HIERARCH ESO ISS PBL24 START 83.207
HIERARCH ESO ISS PBL24 END 83.246
HIERARCH ESO ISS PBLA24 START 25.04
HIERARCH ESO ISS PBLA24 END 25.104
HIERARCH ESO ISS PBL34 START 45.543
HIERARCH ESO ISS PBL34 END 45.532
HIERARCH ESO ISS PBLA34 START 346.732
HIERARCH ESO ISS PBLA34 END 346.793
HIERARCH ESO ISS AMBI TAU0 START 0.00766
HIERARCH ESO ISS AMBI TAU0 END 0.00766
HIERARCH ESO ISS AMBI TEMP 16.28
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65