Exposure
ID
PIONI.2025-05-31T04:22:59.798_1
Header ID
PIONI.2025-05-31T04:22:59.798
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 04:22:59.798
UTC End
2025-05-31 04:23:38.198
MJD Start
60826.1826365478
MJD End
60826.18308099224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011435500000000001
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.28
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 47.6650 47.6440 144.0000 144.1000
A0-J2 121.8030 121.9560 93.4000 93.4000
A0-J6 143.4410 143.5470 19.1260 19.2410
B5-J2 98.6670 98.8460 71.5000 71.6000
B5-J6 175.1270 175.1660 6.2260 6.3360
J2-J6 161.1240 161.0450 332.4270 332.4740
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 60826.1826365478
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 47.665
HIERARCH ESO ISS PBL12 END 47.644
HIERARCH ESO ISS PBLA12 START 144.0
HIERARCH ESO ISS PBLA12 END 144.1
HIERARCH ESO ISS PBL13 START 121.803
HIERARCH ESO ISS PBL13 END 121.956
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 143.441
HIERARCH ESO ISS PBL14 END 143.547
HIERARCH ESO ISS PBLA14 START 19.126
HIERARCH ESO ISS PBLA14 END 19.241
HIERARCH ESO ISS PBL23 START 98.667
HIERARCH ESO ISS PBL23 END 98.846
HIERARCH ESO ISS PBLA23 START 71.5
HIERARCH ESO ISS PBLA23 END 71.6
HIERARCH ESO ISS PBL24 START 175.127
HIERARCH ESO ISS PBL24 END 175.166
HIERARCH ESO ISS PBLA24 START 6.226
HIERARCH ESO ISS PBLA24 END 6.336
HIERARCH ESO ISS PBL34 START 161.124
HIERARCH ESO ISS PBL34 END 161.045
HIERARCH ESO ISS PBLA34 START 332.427
HIERARCH ESO ISS PBLA34 END 332.474
HIERARCH ESO ISS AMBI TAU0 START 0.011568
HIERARCH ESO ISS AMBI TAU0 END 0.011303
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.29