Exposure
ID
PIONI.2025-06-01T03:04:39.643_1
Header ID
PIONI.2025-06-01T03:04:39.643
Date updated
2025-06-01 03:11:10 UTC+0000
Release date
2026-06-01 03:11:10 UTC+0000
UTC Start
2025-06-01 03:04:39.643
UTC End
2025-06-01 03:05:05.243
MJD Start
60827.128236609
MJD End
60827.1285329053
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008751
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.27
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 48.0300 48.0420 143.4000 143.3000
A0-J2 86.8160 87.0660 90.5000 90.5000
A0-J6 143.5630 143.5650 0.4060 0.5090
B5-J2 69.3360 69.5290 57.0000 57.1000
B5-J6 184.1790 184.1470 351.3660 351.4410
J2-J6 167.8880 167.8950 329.2750 329.2780
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 60827.128236609
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 48.03
HIERARCH ESO ISS PBL12 END 48.042
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 86.816
HIERARCH ESO ISS PBL13 END 87.066
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 143.563
HIERARCH ESO ISS PBL14 END 143.565
HIERARCH ESO ISS PBLA14 START 0.406
HIERARCH ESO ISS PBLA14 END 0.509
HIERARCH ESO ISS PBL23 START 69.336
HIERARCH ESO ISS PBL23 END 69.529
HIERARCH ESO ISS PBLA23 START 57.0
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 184.179
HIERARCH ESO ISS PBL24 END 184.147
HIERARCH ESO ISS PBLA24 START 351.366
HIERARCH ESO ISS PBLA24 END 351.441
HIERARCH ESO ISS PBL34 START 167.888
HIERARCH ESO ISS PBL34 END 167.895
HIERARCH ESO ISS PBLA34 START 329.275
HIERARCH ESO ISS PBLA34 END 329.278
HIERARCH ESO ISS AMBI TAU0 START 0.008751
HIERARCH ESO ISS AMBI TAU0 END 0.008751
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27