Exposure
ID
PIONI.2025-03-23T05:54:36.881_1
Header ID
PIONI.2025-03-23T05:54:36.881
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 05:54:36.881
UTC End
2025-03-23 05:55:02.481
MJD Start
60757.246260202
MJD End
60757.2465564983
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004444
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.61
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 69.5170 69.6130 79.0000 79.2000
A0-J2 112.9100 112.9960 53.9000 54.1000
A0-K0 123.2440 123.2770 35.3240 35.4610
G1-J2 58.0210 58.0240 23.4000 23.5000
G1-K0 87.3900 87.3890 1.9790 2.0680
J2-K0 39.5170 39.5420 329.5900 329.6460
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 60757.246260202
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 69.517
HIERARCH ESO ISS PBL12 END 69.613
HIERARCH ESO ISS PBLA12 START 79.0
HIERARCH ESO ISS PBLA12 END 79.2
HIERARCH ESO ISS PBL13 START 112.91
HIERARCH ESO ISS PBL13 END 112.996
HIERARCH ESO ISS PBLA13 START 53.9
HIERARCH ESO ISS PBLA13 END 54.1
HIERARCH ESO ISS PBL14 START 123.244
HIERARCH ESO ISS PBL14 END 123.277
HIERARCH ESO ISS PBLA14 START 35.324
HIERARCH ESO ISS PBLA14 END 35.461
HIERARCH ESO ISS PBL23 START 58.021
HIERARCH ESO ISS PBL23 END 58.024
HIERARCH ESO ISS PBLA23 START 23.4
HIERARCH ESO ISS PBLA23 END 23.5
HIERARCH ESO ISS PBL24 START 87.39
HIERARCH ESO ISS PBL24 END 87.389
HIERARCH ESO ISS PBLA24 START 1.979
HIERARCH ESO ISS PBLA24 END 2.068
HIERARCH ESO ISS PBL34 START 39.517
HIERARCH ESO ISS PBL34 END 39.542
HIERARCH ESO ISS PBLA34 START 329.59
HIERARCH ESO ISS PBLA34 END 329.646
HIERARCH ESO ISS AMBI TAU0 START 0.004444
HIERARCH ESO ISS AMBI TAU0 END 0.004444
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61