Exposure
ID
PIONI.2025-05-31T04:05:43.544_1
Header ID
PIONI.2025-05-31T04:05:43.544
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 04:05:43.544
UTC End
2025-05-31 04:06:21.944
MJD Start
60826.1706428672
MJD End
60826.17108731164
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010263
Ambient temperature (°C)
15.15
Seeing (arcsec)
0.31
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 48.0540 48.0380 143.5000 143.6000
A0-J2 118.2060 118.3880 93.7000 93.7000
A0-J6 141.3010 141.3960 16.6060 16.7270
B5-J2 94.6330 94.8300 70.9000 70.9000
B5-J6 174.4540 174.4790 3.8860 3.9960
J2-J6 162.7060 162.6360 331.5270 331.5650
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 60826.1706428672
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 48.054
HIERARCH ESO ISS PBL12 END 48.038
HIERARCH ESO ISS PBLA12 START 143.5
HIERARCH ESO ISS PBLA12 END 143.6
HIERARCH ESO ISS PBL13 START 118.206
HIERARCH ESO ISS PBL13 END 118.388
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 141.301
HIERARCH ESO ISS PBL14 END 141.396
HIERARCH ESO ISS PBLA14 START 16.606
HIERARCH ESO ISS PBLA14 END 16.727
HIERARCH ESO ISS PBL23 START 94.633
HIERARCH ESO ISS PBL23 END 94.83
HIERARCH ESO ISS PBLA23 START 70.9
HIERARCH ESO ISS PBLA23 END 70.9
HIERARCH ESO ISS PBL24 START 174.454
HIERARCH ESO ISS PBL24 END 174.479
HIERARCH ESO ISS PBLA24 START 3.886
HIERARCH ESO ISS PBLA24 END 3.996
HIERARCH ESO ISS PBL34 START 162.706
HIERARCH ESO ISS PBL34 END 162.636
HIERARCH ESO ISS PBLA34 START 331.527
HIERARCH ESO ISS PBLA34 END 331.565
HIERARCH ESO ISS AMBI TAU0 START 0.010263
HIERARCH ESO ISS AMBI TAU0 END 0.010263
HIERARCH ESO ISS AMBI TEMP 15.15
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31