Exposure
ID
PIONI.2025-05-31T04:03:12.467_1
Header ID
PIONI.2025-05-31T04:03:12.467
Date updated
2025-05-31 04:16:54 UTC+0000
Release date
2026-05-31 04:16:54 UTC+0000
UTC Start
2025-05-31 04:03:12.466
UTC End
2025-05-31 04:03:50.866
MJD Start
60826.1688942853
MJD End
60826.16933872974
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009096
Ambient temperature (°C)
15.22
Seeing (arcsec)
0.36
Observation
ID
67670
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
50323
Name
HIP86391
RA
264.785134
DEC
2.02792
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 48.1030 48.0870 143.5000 143.5000
A0-J2 117.6250 117.8110 93.7000 93.7000
A0-J6 141.0090 141.1010 16.2250 16.3460
B5-J2 94.0060 94.2060 70.8000 70.8000
B5-J6 174.3820 174.4040 3.5420 3.6510
J2-J6 162.9230 162.8540 331.4090 331.4460
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 60826.1688942853
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP86391
RA 264.785134
DEC 2.02792
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 48.103
HIERARCH ESO ISS PBL12 END 48.087
HIERARCH ESO ISS PBLA12 START 143.5
HIERARCH ESO ISS PBLA12 END 143.5
HIERARCH ESO ISS PBL13 START 117.625
HIERARCH ESO ISS PBL13 END 117.811
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 141.009
HIERARCH ESO ISS PBL14 END 141.101
HIERARCH ESO ISS PBLA14 START 16.225
HIERARCH ESO ISS PBLA14 END 16.346
HIERARCH ESO ISS PBL23 START 94.006
HIERARCH ESO ISS PBL23 END 94.206
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 70.8
HIERARCH ESO ISS PBL24 START 174.382
HIERARCH ESO ISS PBL24 END 174.404
HIERARCH ESO ISS PBLA24 START 3.542
HIERARCH ESO ISS PBLA24 END 3.651
HIERARCH ESO ISS PBL34 START 162.923
HIERARCH ESO ISS PBL34 END 162.854
HIERARCH ESO ISS PBLA34 START 331.409
HIERARCH ESO ISS PBLA34 END 331.446
HIERARCH ESO ISS AMBI TAU0 START 0.009096
HIERARCH ESO ISS AMBI TAU0 END 0.009096
HIERARCH ESO ISS AMBI TEMP 15.22
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36