Exposure
ID
PIONI.2025-03-23T05:39:45.838_1
Header ID
PIONI.2025-03-23T05:39:45.838
Date updated
2025-03-23 05:45:47 UTC+0000
Release date
2026-03-23 05:45:47 UTC+0000
UTC Start
2025-03-23 05:39:45.838
UTC End
2025-03-23 05:40:11.438
MJD Start
60757.235947202
MJD End
60757.2362434983
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004655
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.67
Observation
ID
65827
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
48988
Name
HIP80000
RA
244.956961
DEC
-50.1558
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 67.1100 67.2090 75.7000 75.9000
A0-J2 110.7890 110.8750 50.2000 50.4000
A0-K0 122.4180 122.4510 31.8880 32.0280
G1-J2 57.9380 57.9420 20.3000 20.4000
G1-K0 87.4050 87.4050 359.7610 359.8510
J2-K0 38.8990 38.9250 328.2320 328.2860
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 60757.235947202
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP80000
RA 244.956961
DEC -50.1558
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 67.11
HIERARCH ESO ISS PBL12 END 67.209
HIERARCH ESO ISS PBLA12 START 75.7
HIERARCH ESO ISS PBLA12 END 75.9
HIERARCH ESO ISS PBL13 START 110.789
HIERARCH ESO ISS PBL13 END 110.875
HIERARCH ESO ISS PBLA13 START 50.2
HIERARCH ESO ISS PBLA13 END 50.4
HIERARCH ESO ISS PBL14 START 122.418
HIERARCH ESO ISS PBL14 END 122.451
HIERARCH ESO ISS PBLA14 START 31.888
HIERARCH ESO ISS PBLA14 END 32.028
HIERARCH ESO ISS PBL23 START 57.938
HIERARCH ESO ISS PBL23 END 57.942
HIERARCH ESO ISS PBLA23 START 20.3
HIERARCH ESO ISS PBLA23 END 20.4
HIERARCH ESO ISS PBL24 START 87.405
HIERARCH ESO ISS PBL24 END 87.405
HIERARCH ESO ISS PBLA24 START 359.761
HIERARCH ESO ISS PBLA24 END 359.851
HIERARCH ESO ISS PBL34 START 38.899
HIERARCH ESO ISS PBL34 END 38.925
HIERARCH ESO ISS PBLA34 START 328.232
HIERARCH ESO ISS PBLA34 END 328.286
HIERARCH ESO ISS AMBI TAU0 START 0.004655
HIERARCH ESO ISS AMBI TAU0 END 0.004655
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67