Exposure
ID
PIONI.2025-03-23T05:55:14.337_1
Header ID
PIONI.2025-03-23T05:55:14.337
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 05:55:14.338
UTC End
2025-03-23 05:55:39.938
MJD Start
60757.2466937229
MJD End
60757.24699001919
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0046695
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 69.6150 69.7110 79.2000 79.3000
A0-J2 112.9980 113.0830 54.1000 54.2000
A0-K0 123.2780 123.3120 35.4690 35.6070
G1-J2 58.0240 58.0280 23.5000 23.6000
G1-K0 87.3890 87.3870 2.0750 2.1650
J2-K0 39.5420 39.5660 329.6520 329.7080
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 60757.2466937229
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 69.615
HIERARCH ESO ISS PBL12 END 69.711
HIERARCH ESO ISS PBLA12 START 79.2
HIERARCH ESO ISS PBLA12 END 79.3
HIERARCH ESO ISS PBL13 START 112.998
HIERARCH ESO ISS PBL13 END 113.083
HIERARCH ESO ISS PBLA13 START 54.1
HIERARCH ESO ISS PBLA13 END 54.2
HIERARCH ESO ISS PBL14 START 123.278
HIERARCH ESO ISS PBL14 END 123.312
HIERARCH ESO ISS PBLA14 START 35.469
HIERARCH ESO ISS PBLA14 END 35.607
HIERARCH ESO ISS PBL23 START 58.024
HIERARCH ESO ISS PBL23 END 58.028
HIERARCH ESO ISS PBLA23 START 23.5
HIERARCH ESO ISS PBLA23 END 23.6
HIERARCH ESO ISS PBL24 START 87.389
HIERARCH ESO ISS PBL24 END 87.387
HIERARCH ESO ISS PBLA24 START 2.075
HIERARCH ESO ISS PBLA24 END 2.165
HIERARCH ESO ISS PBL34 START 39.542
HIERARCH ESO ISS PBL34 END 39.566
HIERARCH ESO ISS PBLA34 START 329.652
HIERARCH ESO ISS PBLA34 END 329.708
HIERARCH ESO ISS AMBI TAU0 START 0.004444
HIERARCH ESO ISS AMBI TAU0 END 0.004895
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61