Exposure
ID
PIONI.2025-05-23T09:57:49.141_1
Header ID
PIONI.2025-05-23T09:57:49.141
Date updated
2025-05-23 10:05:53 UTC+0000
Release date
2026-05-23 10:05:52 UTC+0000
UTC Start
2025-05-23 09:57:49.141
UTC End
2025-05-23 09:58:14.741
MJD Start
60818.4151520901
MJD End
60818.4154483864
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048035000000000005
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.525
Observation
ID
67549
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
50239
Name
HIP93683
RA
286.171229
DEC
-21.74183
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 58.5590 58.4760 285.7000 285.8000
K0-D0 83.5100 83.3960 261.9000 262.0000
K0-J3 55.1470 55.1420 349.8100 349.8970
G2-D0 38.1260 38.1050 223.7000 223.7000
G2-J3 60.3930 60.3500 50.5180 50.5400
D0-J3 98.3510 98.2880 47.8640 47.8870
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 60818.4151520901
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP93683
RA 286.171229
DEC -21.74183
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 58.559
HIERARCH ESO ISS PBL12 END 58.476
HIERARCH ESO ISS PBLA12 START 285.7
HIERARCH ESO ISS PBLA12 END 285.8
HIERARCH ESO ISS PBL13 START 83.51
HIERARCH ESO ISS PBL13 END 83.396
HIERARCH ESO ISS PBLA13 START 261.9
HIERARCH ESO ISS PBLA13 END 262.0
HIERARCH ESO ISS PBL14 START 55.147
HIERARCH ESO ISS PBL14 END 55.142
HIERARCH ESO ISS PBLA14 START 349.81
HIERARCH ESO ISS PBLA14 END 349.897
HIERARCH ESO ISS PBL23 START 38.126
HIERARCH ESO ISS PBL23 END 38.105
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 60.393
HIERARCH ESO ISS PBL24 END 60.35
HIERARCH ESO ISS PBLA24 START 50.518
HIERARCH ESO ISS PBLA24 END 50.54
HIERARCH ESO ISS PBL34 START 98.351
HIERARCH ESO ISS PBL34 END 98.288
HIERARCH ESO ISS PBLA34 START 47.864
HIERARCH ESO ISS PBLA34 END 47.887
HIERARCH ESO ISS AMBI TAU0 START 0.004827
HIERARCH ESO ISS AMBI TAU0 END 0.00478
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.49