Exposure
ID
PIONI.2025-03-23T05:38:30.968_1
Header ID
PIONI.2025-03-23T05:38:30.968
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 05:38:30.968
UTC End
2025-03-23 05:38:56.568
MJD Start
60757.2350806468
MJD End
60757.2353769431
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004915
Ambient temperature (°C)
14.25
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 66.9040 67.0030 75.4000 75.6000
A0-J2 110.6100 110.6960 49.9000 50.1000
A0-K0 122.3490 122.3820 31.5910 31.7320
G1-J2 57.9310 57.9350 20.1000 20.2000
G1-K0 87.4040 87.4050 359.5700 359.6600
J2-K0 38.8450 38.8710 328.1160 328.1700
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 60757.2350806468
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 66.904
HIERARCH ESO ISS PBL12 END 67.003
HIERARCH ESO ISS PBLA12 START 75.4
HIERARCH ESO ISS PBLA12 END 75.6
HIERARCH ESO ISS PBL13 START 110.61
HIERARCH ESO ISS PBL13 END 110.696
HIERARCH ESO ISS PBLA13 START 49.9
HIERARCH ESO ISS PBLA13 END 50.1
HIERARCH ESO ISS PBL14 START 122.349
HIERARCH ESO ISS PBL14 END 122.382
HIERARCH ESO ISS PBLA14 START 31.591
HIERARCH ESO ISS PBLA14 END 31.732
HIERARCH ESO ISS PBL23 START 57.931
HIERARCH ESO ISS PBL23 END 57.935
HIERARCH ESO ISS PBLA23 START 20.1
HIERARCH ESO ISS PBLA23 END 20.2
HIERARCH ESO ISS PBL24 START 87.404
HIERARCH ESO ISS PBL24 END 87.405
HIERARCH ESO ISS PBLA24 START 359.57
HIERARCH ESO ISS PBLA24 END 359.66
HIERARCH ESO ISS PBL34 START 38.845
HIERARCH ESO ISS PBL34 END 38.871
HIERARCH ESO ISS PBLA34 START 328.116
HIERARCH ESO ISS PBLA34 END 328.17
HIERARCH ESO ISS AMBI TAU0 START 0.004915
HIERARCH ESO ISS AMBI TAU0 END 0.004915
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67