Exposure
ID
PIONI.2025-03-23T05:53:59.305_1
Header ID
PIONI.2025-03-23T05:53:59.305
Date updated
2025-03-23 06:00:57 UTC+0000
Release date
2026-03-23 06:00:57 UTC+0000
UTC Start
2025-03-23 05:53:59.305
UTC End
2025-03-23 05:54:24.905
MJD Start
60757.2458252916
MJD End
60757.246121587894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004444
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.63
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 69.4160 69.5120 78.9000 79.0000
A0-J2 112.8200 112.9050 53.8000 53.9000
A0-K0 123.2080 123.2420 35.1790 35.3160
G1-J2 58.0180 58.0210 23.2000 23.4000
G1-K0 87.3920 87.3900 1.8840 1.9740
J2-K0 39.4920 39.5160 329.5310 329.5870
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 60757.2458252916
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 69.416
HIERARCH ESO ISS PBL12 END 69.512
HIERARCH ESO ISS PBLA12 START 78.9
HIERARCH ESO ISS PBLA12 END 79.0
HIERARCH ESO ISS PBL13 START 112.82
HIERARCH ESO ISS PBL13 END 112.905
HIERARCH ESO ISS PBLA13 START 53.8
HIERARCH ESO ISS PBLA13 END 53.9
HIERARCH ESO ISS PBL14 START 123.208
HIERARCH ESO ISS PBL14 END 123.242
HIERARCH ESO ISS PBLA14 START 35.179
HIERARCH ESO ISS PBLA14 END 35.316
HIERARCH ESO ISS PBL23 START 58.018
HIERARCH ESO ISS PBL23 END 58.021
HIERARCH ESO ISS PBLA23 START 23.2
HIERARCH ESO ISS PBLA23 END 23.4
HIERARCH ESO ISS PBL24 START 87.392
HIERARCH ESO ISS PBL24 END 87.39
HIERARCH ESO ISS PBLA24 START 1.884
HIERARCH ESO ISS PBLA24 END 1.974
HIERARCH ESO ISS PBL34 START 39.492
HIERARCH ESO ISS PBL34 END 39.516
HIERARCH ESO ISS PBLA34 START 329.531
HIERARCH ESO ISS PBLA34 END 329.587
HIERARCH ESO ISS AMBI TAU0 START 0.004444
HIERARCH ESO ISS AMBI TAU0 END 0.004444
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.61