Exposure
ID
PIONI.2025-06-01T02:50:33.651_1
Header ID
PIONI.2025-06-01T02:50:33.651
Date updated
2025-06-01 02:55:59 UTC+0000
Release date
2026-06-01 02:55:59 UTC+0000
UTC Start
2025-06-01 02:50:33.651
UTC End
2025-06-01 02:50:59.251
MJD Start
60827.1184450397
MJD End
60827.118741335995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006779500000000001
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.31999999999999995
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 47.7120 47.7270 143.7000 143.7000
A0-J2 80.7600 81.0250 90.4000 90.4000
A0-J6 143.6410 143.6330 357.9980 358.1010
B5-J2 64.7820 64.9760 54.1000 54.3000
B5-J6 185.0110 184.9730 349.6390 349.7110
J2-J6 167.6390 167.6530 329.2320 329.2320
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 60827.1184450397
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 47.712
HIERARCH ESO ISS PBL12 END 47.727
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 80.76
HIERARCH ESO ISS PBL13 END 81.025
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.4
HIERARCH ESO ISS PBL14 START 143.641
HIERARCH ESO ISS PBL14 END 143.633
HIERARCH ESO ISS PBLA14 START 357.998
HIERARCH ESO ISS PBLA14 END 358.101
HIERARCH ESO ISS PBL23 START 64.782
HIERARCH ESO ISS PBL23 END 64.976
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 185.011
HIERARCH ESO ISS PBL24 END 184.973
HIERARCH ESO ISS PBLA24 START 349.639
HIERARCH ESO ISS PBLA24 END 349.711
HIERARCH ESO ISS PBL34 START 167.639
HIERARCH ESO ISS PBL34 END 167.653
HIERARCH ESO ISS PBLA34 START 329.232
HIERARCH ESO ISS PBLA34 END 329.232
HIERARCH ESO ISS AMBI TAU0 START 0.005799
HIERARCH ESO ISS AMBI TAU0 END 0.00776
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.29