Exposure
ID
PIONI.2025-07-21T07:21:42.721_1
Header ID
PIONI.2025-07-21T07:21:42.721
Date updated
2025-07-21 07:30:34 UTC+0000
Release date
2026-07-21 07:30:34 UTC+0000
UTC Start
2025-07-21 07:21:42.722
UTC End
2025-07-21 07:22:08.322
MJD Start
60877.3067444647
MJD End
60877.307040761
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006736
Ambient temperature (°C)
14.82
Seeing (arcsec)
0.5
Observation
ID
68896
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
51259
Name
HIP114855
RA
348.97389
DEC
-9.08783
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4430 90.4510 113.5000 113.5000
A0-J2 127.6180 127.6700 91.2000 91.2000
A0-K0 124.0000 124.0760 69.5720 69.6080
G1-J2 55.7030 55.7380 53.2000 53.3000
G1-K0 85.9590 85.9870 22.7390 22.8070
J2-K0 47.3210 47.3140 346.0710 346.1290
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 60877.3067444647
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP114855
RA 348.97389
DEC -9.08783
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.443
HIERARCH ESO ISS PBL12 END 90.451
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 127.618
HIERARCH ESO ISS PBL13 END 127.67
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 124.0
HIERARCH ESO ISS PBL14 END 124.076
HIERARCH ESO ISS PBLA14 START 69.572
HIERARCH ESO ISS PBLA14 END 69.608
HIERARCH ESO ISS PBL23 START 55.703
HIERARCH ESO ISS PBL23 END 55.738
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 85.959
HIERARCH ESO ISS PBL24 END 85.987
HIERARCH ESO ISS PBLA24 START 22.739
HIERARCH ESO ISS PBLA24 END 22.807
HIERARCH ESO ISS PBL34 START 47.321
HIERARCH ESO ISS PBL34 END 47.314
HIERARCH ESO ISS PBLA34 START 346.071
HIERARCH ESO ISS PBLA34 END 346.129
HIERARCH ESO ISS AMBI TAU0 START 0.006736
HIERARCH ESO ISS AMBI TAU0 END 0.006736
HIERARCH ESO ISS AMBI TEMP 14.82
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5