Exposure
ID
PIONI.2025-05-31T05:43:16.279_1
Header ID
PIONI.2025-05-31T05:43:16.279
Date updated
2025-05-31 05:56:53 UTC+0000
Release date
2026-05-31 05:56:53 UTC+0000
UTC Start
2025-05-31 05:43:16.279
UTC End
2025-05-31 05:43:54.679
MJD Start
60826.2383828564
MJD End
60826.23882730084
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.015732
Ambient temperature (°C)
14.97
Seeing (arcsec)
0.33
Observation
ID
67674
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
50327
Name
HIP98575
RA
300.348813
DEC
-22.73738
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 46.4770 46.5070 141.0000 141.1000
A0-J2 108.1090 108.3360 77.5000 77.7000
A0-J6 166.1440 166.1590 7.7290 7.8460
B5-J2 96.7430 96.8900 52.1000 52.2000
B5-J6 200.8820 200.8800 358.0340 358.1320
J2-J6 164.0030 164.0640 329.5110 329.5540
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 60826.2383828564
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP98575
RA 300.348813
DEC -22.73738
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.477
HIERARCH ESO ISS PBL12 END 46.507
HIERARCH ESO ISS PBLA12 START 141.0
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 108.109
HIERARCH ESO ISS PBL13 END 108.336
HIERARCH ESO ISS PBLA13 START 77.5
HIERARCH ESO ISS PBLA13 END 77.7
HIERARCH ESO ISS PBL14 START 166.144
HIERARCH ESO ISS PBL14 END 166.159
HIERARCH ESO ISS PBLA14 START 7.729
HIERARCH ESO ISS PBLA14 END 7.846
HIERARCH ESO ISS PBL23 START 96.743
HIERARCH ESO ISS PBL23 END 96.89
HIERARCH ESO ISS PBLA23 START 52.1
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 200.882
HIERARCH ESO ISS PBL24 END 200.88
HIERARCH ESO ISS PBLA24 START 358.034
HIERARCH ESO ISS PBLA24 END 358.132
HIERARCH ESO ISS PBL34 START 164.003
HIERARCH ESO ISS PBL34 END 164.064
HIERARCH ESO ISS PBLA34 START 329.511
HIERARCH ESO ISS PBLA34 END 329.554
HIERARCH ESO ISS AMBI TAU0 START 0.015732
HIERARCH ESO ISS AMBI TAU0 END 0.015732
HIERARCH ESO ISS AMBI TEMP 14.97
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33