Exposure
ID
PIONI.2025-03-22T00:29:27.538_1
Header ID
PIONI.2025-03-22T00:29:27.538
Date updated
2025-03-22 00:35:52 UTC+0000
Release date
2026-03-22 00:35:52 UTC+0000
UTC Start
2025-03-22 00:29:27.538
UTC End
2025-03-22 00:29:53.138
MJD Start
60756.0204576184
MJD End
60756.020753914694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007998
Ambient temperature (°C)
15.8
Seeing (arcsec)
0.4
Observation
ID
65756
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
48927
Name
HIP18199
RA
58.387463
DEC
-46.89388
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 86.4080 86.3920 160.5000 160.6000
A0-J2 107.4860 107.4070 142.2000 142.3000
A0-K0 89.3220 89.1780 118.3230 118.4830
G1-J2 37.1690 37.0890 95.4000 95.5000
G1-K0 63.2300 63.1390 51.8650 51.9100
J2-K0 44.3920 44.3820 16.6590 16.7250
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 60756.0204576184
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP18199
RA 58.387463
DEC -46.89388
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 86.408
HIERARCH ESO ISS PBL12 END 86.392
HIERARCH ESO ISS PBLA12 START 160.5
HIERARCH ESO ISS PBLA12 END 160.6
HIERARCH ESO ISS PBL13 START 107.486
HIERARCH ESO ISS PBL13 END 107.407
HIERARCH ESO ISS PBLA13 START 142.2
HIERARCH ESO ISS PBLA13 END 142.3
HIERARCH ESO ISS PBL14 START 89.322
HIERARCH ESO ISS PBL14 END 89.178
HIERARCH ESO ISS PBLA14 START 118.323
HIERARCH ESO ISS PBLA14 END 118.483
HIERARCH ESO ISS PBL23 START 37.169
HIERARCH ESO ISS PBL23 END 37.089
HIERARCH ESO ISS PBLA23 START 95.4
HIERARCH ESO ISS PBLA23 END 95.5
HIERARCH ESO ISS PBL24 START 63.23
HIERARCH ESO ISS PBL24 END 63.139
HIERARCH ESO ISS PBLA24 START 51.865
HIERARCH ESO ISS PBLA24 END 51.91
HIERARCH ESO ISS PBL34 START 44.392
HIERARCH ESO ISS PBL34 END 44.382
HIERARCH ESO ISS PBLA34 START 16.659
HIERARCH ESO ISS PBLA34 END 16.725
HIERARCH ESO ISS AMBI TAU0 START 0.007998
HIERARCH ESO ISS AMBI TAU0 END 0.007998
HIERARCH ESO ISS AMBI TEMP 15.8
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4