Exposure
ID
PIONI.2025-05-31T04:57:57.205_1
Header ID
PIONI.2025-05-31T04:57:57.205
Date updated
2025-05-31 05:08:36 UTC+0000
Release date
2026-05-31 05:08:36 UTC+0000
UTC Start
2025-05-31 04:57:57.205
UTC End
2025-05-31 04:58:35.605
MJD Start
60826.2069120952
MJD End
60826.20735653964
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011698
Ambient temperature (°C)
15.39
Seeing (arcsec)
0.33999999999999997
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 46.6170 46.5890 145.5000 145.6000
A0-J2 126.9520 127.0380 93.0000 93.0000
A0-J6 148.2800 148.3990 23.6700 23.7670
B5-J2 105.2980 105.4270 72.4000 72.4000
B5-J6 177.3550 177.4190 10.7670 10.8690
J2-J6 157.5190 157.4300 334.7280 334.7900
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 60826.2069120952
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 46.617
HIERARCH ESO ISS PBL12 END 46.589
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.6
HIERARCH ESO ISS PBL13 START 126.952
HIERARCH ESO ISS PBL13 END 127.038
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 148.28
HIERARCH ESO ISS PBL14 END 148.399
HIERARCH ESO ISS PBLA14 START 23.67
HIERARCH ESO ISS PBLA14 END 23.767
HIERARCH ESO ISS PBL23 START 105.298
HIERARCH ESO ISS PBL23 END 105.427
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 177.355
HIERARCH ESO ISS PBL24 END 177.419
HIERARCH ESO ISS PBLA24 START 10.767
HIERARCH ESO ISS PBLA24 END 10.869
HIERARCH ESO ISS PBL34 START 157.519
HIERARCH ESO ISS PBL34 END 157.43
HIERARCH ESO ISS PBLA34 START 334.728
HIERARCH ESO ISS PBLA34 END 334.79
HIERARCH ESO ISS AMBI TAU0 START 0.011004
HIERARCH ESO ISS AMBI TAU0 END 0.012392
HIERARCH ESO ISS AMBI TEMP 15.39
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.32