Exposure
ID
PIONI.2025-07-21T07:06:43.313_1
Header ID
PIONI.2025-07-21T07:06:43.313
Date updated
2025-07-21 07:15:33 UTC+0000
Release date
2026-07-21 07:15:32 UTC+0000
UTC Start
2025-07-21 07:06:43.313
UTC End
2025-07-21 07:07:08.913
MJD Start
60877.2963346401
MJD End
60877.2966309364
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008508
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.43
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 90.0790 90.1000 113.0000 113.0000
A0-J2 126.0300 126.1040 90.6000 90.6000
A0-K0 121.8560 121.9510 68.6040 68.6430
G1-J2 54.7560 54.7970 51.9000 51.9000
G1-K0 85.2520 85.2810 20.9740 21.0450
J2-K0 47.5000 47.4930 344.6600 344.7130
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 60877.2963346401
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 90.079
HIERARCH ESO ISS PBL12 END 90.1
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 126.03
HIERARCH ESO ISS PBL13 END 126.104
HIERARCH ESO ISS PBLA13 START 90.6
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 121.856
HIERARCH ESO ISS PBL14 END 121.951
HIERARCH ESO ISS PBLA14 START 68.604
HIERARCH ESO ISS PBLA14 END 68.643
HIERARCH ESO ISS PBL23 START 54.756
HIERARCH ESO ISS PBL23 END 54.797
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 51.9
HIERARCH ESO ISS PBL24 START 85.252
HIERARCH ESO ISS PBL24 END 85.281
HIERARCH ESO ISS PBLA24 START 20.974
HIERARCH ESO ISS PBLA24 END 21.045
HIERARCH ESO ISS PBL34 START 47.5
HIERARCH ESO ISS PBL34 END 47.493
HIERARCH ESO ISS PBLA34 START 344.66
HIERARCH ESO ISS PBLA34 END 344.713
HIERARCH ESO ISS AMBI TAU0 START 0.008508
HIERARCH ESO ISS AMBI TAU0 END 0.008508
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43