Exposure
ID
PIONI.2025-05-31T04:23:50.319_1
Header ID
PIONI.2025-05-31T04:23:50.319
Date updated
2025-05-31 04:31:37 UTC+0000
Release date
2026-05-31 04:31:37 UTC+0000
UTC Start
2025-05-31 04:23:50.320
UTC End
2025-05-31 04:24:28.720
MJD Start
60826.1832212936
MJD End
60826.18366573804
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011698
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.295
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 47.6440 47.6230 144.1000 144.1000
A0-J2 121.9590 122.1100 93.4000 93.4000
A0-J6 143.5490 143.6560 19.2430 19.3570
B5-J2 98.8490 99.0270 71.6000 71.6000
B5-J6 175.1670 175.2070 6.3380 6.4470
J2-J6 161.0430 160.9640 332.4750 332.5220
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 60826.1832212936
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 47.644
HIERARCH ESO ISS PBL12 END 47.623
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 144.1
HIERARCH ESO ISS PBL13 START 121.959
HIERARCH ESO ISS PBL13 END 122.11
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 143.549
HIERARCH ESO ISS PBL14 END 143.656
HIERARCH ESO ISS PBLA14 START 19.243
HIERARCH ESO ISS PBLA14 END 19.357
HIERARCH ESO ISS PBL23 START 98.849
HIERARCH ESO ISS PBL23 END 99.027
HIERARCH ESO ISS PBLA23 START 71.6
HIERARCH ESO ISS PBLA23 END 71.6
HIERARCH ESO ISS PBL24 START 175.167
HIERARCH ESO ISS PBL24 END 175.207
HIERARCH ESO ISS PBLA24 START 6.338
HIERARCH ESO ISS PBLA24 END 6.447
HIERARCH ESO ISS PBL34 START 161.043
HIERARCH ESO ISS PBL34 END 160.964
HIERARCH ESO ISS PBLA34 START 332.475
HIERARCH ESO ISS PBLA34 END 332.522
HIERARCH ESO ISS AMBI TAU0 START 0.011303
HIERARCH ESO ISS AMBI TAU0 END 0.012093
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.3