Exposure
ID
PIONI.2025-05-31T04:22:09.255_1
Header ID
PIONI.2025-05-31T04:22:09.255
Date updated
2025-05-31 04:26:49 UTC+0000
Release date
2026-05-31 04:26:49 UTC+0000
UTC Start
2025-05-31 04:22:09.255
UTC End
2025-05-31 04:22:47.655
MJD Start
60826.1820515599
MJD End
60826.182496004345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011568
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.27
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 47.6860 47.6660 144.0000 144.0000
A0-J2 121.6410 121.7960 93.5000 93.4000
A0-J6 143.3300 143.4360 19.0060 19.1210
B5-J2 98.4800 98.6590 71.5000 71.5000
B5-J6 175.0870 175.1250 6.1120 6.2220
J2-J6 161.2050 161.1270 332.3790 332.4260
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 60826.1820515599
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 47.686
HIERARCH ESO ISS PBL12 END 47.666
HIERARCH ESO ISS PBLA12 START 144.0
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 121.641
HIERARCH ESO ISS PBL13 END 121.796
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 143.33
HIERARCH ESO ISS PBL14 END 143.436
HIERARCH ESO ISS PBLA14 START 19.006
HIERARCH ESO ISS PBLA14 END 19.121
HIERARCH ESO ISS PBL23 START 98.48
HIERARCH ESO ISS PBL23 END 98.659
HIERARCH ESO ISS PBLA23 START 71.5
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 175.087
HIERARCH ESO ISS PBL24 END 175.125
HIERARCH ESO ISS PBLA24 START 6.112
HIERARCH ESO ISS PBLA24 END 6.222
HIERARCH ESO ISS PBL34 START 161.205
HIERARCH ESO ISS PBL34 END 161.127
HIERARCH ESO ISS PBLA34 START 332.379
HIERARCH ESO ISS PBLA34 END 332.426
HIERARCH ESO ISS AMBI TAU0 START 0.011568
HIERARCH ESO ISS AMBI TAU0 END 0.011568
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27