Exposure
ID
PIONI.2025-03-21T01:43:42.010_1
Header ID
PIONI.2025-03-21T01:43:42.010
Date updated
2025-03-21 01:50:53 UTC+0000
Release date
2026-03-21 01:50:53 UTC+0000
UTC Start
2025-03-21 01:43:42.010
UTC End
2025-03-21 01:44:07.610
MJD Start
60755.0720140017
MJD End
60755.072310298
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009678
Ambient temperature (°C)
17.28
Seeing (arcsec)
0.45
Observation
ID
65729
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
48902
Name
HIP61181
RA
188.038535
DEC
-73.00109
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 74.8990 74.9300 54.7000 54.9000
A0-J2 124.2950 124.3120 38.8000 39.0000
A0-K0 127.8900 127.8890 26.4870 26.6300
G1-J2 56.1500 56.1470 17.4000 17.5000
G1-K0 71.3540 71.3560 356.6930 356.8030
J2-K0 27.3680 27.3920 310.1770 310.2800
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 60755.0720140017
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP61181
RA 188.038535
DEC -73.00109
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 74.899
HIERARCH ESO ISS PBL12 END 74.93
HIERARCH ESO ISS PBLA12 START 54.7
HIERARCH ESO ISS PBLA12 END 54.9
HIERARCH ESO ISS PBL13 START 124.295
HIERARCH ESO ISS PBL13 END 124.312
HIERARCH ESO ISS PBLA13 START 38.8
HIERARCH ESO ISS PBLA13 END 39.0
HIERARCH ESO ISS PBL14 START 127.89
HIERARCH ESO ISS PBL14 END 127.889
HIERARCH ESO ISS PBLA14 START 26.487
HIERARCH ESO ISS PBLA14 END 26.63
HIERARCH ESO ISS PBL23 START 56.15
HIERARCH ESO ISS PBL23 END 56.147
HIERARCH ESO ISS PBLA23 START 17.4
HIERARCH ESO ISS PBLA23 END 17.5
HIERARCH ESO ISS PBL24 START 71.354
HIERARCH ESO ISS PBL24 END 71.356
HIERARCH ESO ISS PBLA24 START 356.693
HIERARCH ESO ISS PBLA24 END 356.803
HIERARCH ESO ISS PBL34 START 27.368
HIERARCH ESO ISS PBL34 END 27.392
HIERARCH ESO ISS PBLA34 START 310.177
HIERARCH ESO ISS PBLA34 END 310.28
HIERARCH ESO ISS AMBI TAU0 START 0.009678
HIERARCH ESO ISS AMBI TAU0 END 0.009678
HIERARCH ESO ISS AMBI TEMP 17.28
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45