Exposure
ID
PIONI.2025-03-02T06:39:05.236_1
Header ID
PIONI.2025-03-02T06:39:05.236
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 06:39:05.237
UTC End
2025-03-02 06:39:30.837
MJD Start
60736.2771439413
MJD End
60736.277440237594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003709
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.94
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 68.0420 67.8990 109.1000 109.1000
A0-J2 113.4230 113.2650 85.2000 85.1000
A0-K0 124.2800 124.2080 67.9620 67.9120
G1-J2 58.1850 58.1800 56.9000 56.8000
G1-K0 85.6680 85.7120 36.4520 36.4550
J2-K0 37.1680 37.1730 3.3510 3.4380
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 60736.2771439413
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 68.042
HIERARCH ESO ISS PBL12 END 67.899
HIERARCH ESO ISS PBLA12 START 109.1
HIERARCH ESO ISS PBLA12 END 109.1
HIERARCH ESO ISS PBL13 START 113.423
HIERARCH ESO ISS PBL13 END 113.265
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.1
HIERARCH ESO ISS PBL14 START 124.28
HIERARCH ESO ISS PBL14 END 124.208
HIERARCH ESO ISS PBLA14 START 67.962
HIERARCH ESO ISS PBLA14 END 67.912
HIERARCH ESO ISS PBL23 START 58.185
HIERARCH ESO ISS PBL23 END 58.18
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 85.668
HIERARCH ESO ISS PBL24 END 85.712
HIERARCH ESO ISS PBLA24 START 36.452
HIERARCH ESO ISS PBLA24 END 36.455
HIERARCH ESO ISS PBL34 START 37.168
HIERARCH ESO ISS PBL34 END 37.173
HIERARCH ESO ISS PBLA34 START 3.351
HIERARCH ESO ISS PBLA34 END 3.438
HIERARCH ESO ISS AMBI TAU0 START 0.003709
HIERARCH ESO ISS AMBI TAU0 END 0.003709
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94