Exposure
ID
PIONI.2025-05-31T03:31:29.153_1
Header ID
PIONI.2025-05-31T03:31:29.153
Date updated
2025-05-31 03:36:41 UTC+0000
Release date
2026-05-31 03:36:40 UTC+0000
UTC Start
2025-05-31 03:31:29.153
UTC End
2025-05-31 03:31:54.753
MJD Start
60826.1468651975
MJD End
60826.1471614938
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00685
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.32
Observation
ID
67666
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
50319
Name
HIP89587
RA
274.220794
DEC
-3.00895
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 48.4100 48.4180 143.1000 143.0000
A0-J2 95.9360 96.1630 90.7000 90.8000
A0-J6 143.9340 143.9520 4.3020 4.4030
B5-J2 76.6020 76.7890 60.7000 60.8000
B5-J6 183.1290 183.1070 354.2640 354.3410
J2-J6 167.9380 167.9340 329.5470 329.5570
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 60826.1468651975
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89587
RA 274.220794
DEC -3.00895
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.41
HIERARCH ESO ISS PBL12 END 48.418
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 95.936
HIERARCH ESO ISS PBL13 END 96.163
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 143.934
HIERARCH ESO ISS PBL14 END 143.952
HIERARCH ESO ISS PBLA14 START 4.302
HIERARCH ESO ISS PBLA14 END 4.403
HIERARCH ESO ISS PBL23 START 76.602
HIERARCH ESO ISS PBL23 END 76.789
HIERARCH ESO ISS PBLA23 START 60.7
HIERARCH ESO ISS PBLA23 END 60.8
HIERARCH ESO ISS PBL24 START 183.129
HIERARCH ESO ISS PBL24 END 183.107
HIERARCH ESO ISS PBLA24 START 354.264
HIERARCH ESO ISS PBLA24 END 354.341
HIERARCH ESO ISS PBL34 START 167.938
HIERARCH ESO ISS PBL34 END 167.934
HIERARCH ESO ISS PBLA34 START 329.547
HIERARCH ESO ISS PBLA34 END 329.557
HIERARCH ESO ISS AMBI TAU0 START 0.00685
HIERARCH ESO ISS AMBI TAU0 END 0.00685
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32