Exposure
ID
PIONI.2025-05-31T03:44:32.135_1
Header ID
PIONI.2025-05-31T03:44:32.135
Date updated
2025-05-31 03:51:25 UTC+0000
Release date
2026-05-31 03:51:25 UTC+0000
UTC Start
2025-05-31 03:44:32.135
UTC End
2025-05-31 03:44:57.735
MJD Start
60826.155927489
MJD End
60826.1562237853
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009824
Ambient temperature (°C)
15.36
Seeing (arcsec)
0.3
Observation
ID
67666
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
50319
Name
HIP89587
RA
274.220794
DEC
-3.00895
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.5500 48.5550 143.0000 143.0000
A0-J2 100.7130 100.9250 90.9000 90.9000
A0-J6 144.4130 144.4400 6.4930 6.5930
B5-J2 80.6010 80.7820 62.5000 62.6000
B5-J6 182.7140 182.6980 355.9560 356.0340
J2-J6 167.7740 167.7630 329.8140 329.8280
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 60826.155927489
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89587
RA 274.220794
DEC -3.00895
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.55
HIERARCH ESO ISS PBL12 END 48.555
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 100.713
HIERARCH ESO ISS PBL13 END 100.925
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 144.413
HIERARCH ESO ISS PBL14 END 144.44
HIERARCH ESO ISS PBLA14 START 6.493
HIERARCH ESO ISS PBLA14 END 6.593
HIERARCH ESO ISS PBL23 START 80.601
HIERARCH ESO ISS PBL23 END 80.782
HIERARCH ESO ISS PBLA23 START 62.5
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 182.714
HIERARCH ESO ISS PBL24 END 182.698
HIERARCH ESO ISS PBLA24 START 355.956
HIERARCH ESO ISS PBLA24 END 356.034
HIERARCH ESO ISS PBL34 START 167.774
HIERARCH ESO ISS PBL34 END 167.763
HIERARCH ESO ISS PBLA34 START 329.814
HIERARCH ESO ISS PBLA34 END 329.828
HIERARCH ESO ISS AMBI TAU0 START 0.009824
HIERARCH ESO ISS AMBI TAU0 END 0.009824
HIERARCH ESO ISS AMBI TEMP 15.36
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3