Exposure
ID
PIONI.2025-03-02T06:40:20.083_1
Header ID
PIONI.2025-03-02T06:40:20.083
Date updated
2025-03-02 06:45:33 UTC+0000
Release date
2026-03-02 06:45:33 UTC+0000
UTC Start
2025-03-02 06:40:20.083
UTC End
2025-03-02 06:40:45.683
MJD Start
60736.2780102198
MJD End
60736.2783065161
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003709
Ambient temperature (°C)
14.71
Seeing (arcsec)
1.14
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 67.7420 67.5980 109.1000 109.1000
A0-J2 113.0940 112.9350 85.1000 85.0000
A0-K0 124.1290 124.0550 67.8580 67.8070
G1-J2 58.1740 58.1690 56.8000 56.7000
G1-K0 85.7590 85.8030 36.4580 36.4610
J2-K0 37.1780 37.1830 3.5310 3.6180
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 60736.2780102198
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 67.742
HIERARCH ESO ISS PBL12 END 67.598
HIERARCH ESO ISS PBLA12 START 109.1
HIERARCH ESO ISS PBLA12 END 109.1
HIERARCH ESO ISS PBL13 START 113.094
HIERARCH ESO ISS PBL13 END 112.935
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 124.129
HIERARCH ESO ISS PBL14 END 124.055
HIERARCH ESO ISS PBLA14 START 67.858
HIERARCH ESO ISS PBLA14 END 67.807
HIERARCH ESO ISS PBL23 START 58.174
HIERARCH ESO ISS PBL23 END 58.169
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 85.759
HIERARCH ESO ISS PBL24 END 85.803
HIERARCH ESO ISS PBLA24 START 36.458
HIERARCH ESO ISS PBLA24 END 36.461
HIERARCH ESO ISS PBL34 START 37.178
HIERARCH ESO ISS PBL34 END 37.183
HIERARCH ESO ISS PBLA34 START 3.531
HIERARCH ESO ISS PBLA34 END 3.618
HIERARCH ESO ISS AMBI TAU0 START 0.003709
HIERARCH ESO ISS AMBI TAU0 END 0.003709
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.14