Exposure
ID
PIONI.2025-05-21T10:00:07.368_1
Header ID
PIONI.2025-05-21T10:00:07.368
Date updated
2025-05-21 10:05:59 UTC+0000
Release date
2026-05-21 10:05:59 UTC+0000
UTC Start
2025-05-21 10:00:07.367
UTC End
2025-05-21 10:00:32.967
MJD Start
60816.4167519384
MJD End
60816.417048234696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.012024
Ambient temperature (°C)
15.04
Seeing (arcsec)
0.25
Observation
ID
67499
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
50204
Name
HIP765
RA
2.352843
DEC
-45.74844
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 19.3910 19.4170 119.4000 119.4000
A0-D0 30.3790 30.3900 38.4000 38.5000
A0-J3 132.2980 132.3010 18.6660 18.7780
B2-D0 33.3670 33.3660 3.4000 3.5000
B2-J3 137.2210 137.2180 10.6860 10.7850
D0-J3 104.2110 104.2090 13.0160 13.1190
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 60816.4167519384
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP765
RA 2.352843
DEC -45.74844
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 19.391
HIERARCH ESO ISS PBL12 END 19.417
HIERARCH ESO ISS PBLA12 START 119.4
HIERARCH ESO ISS PBLA12 END 119.4
HIERARCH ESO ISS PBL13 START 30.379
HIERARCH ESO ISS PBL13 END 30.39
HIERARCH ESO ISS PBLA13 START 38.4
HIERARCH ESO ISS PBLA13 END 38.5
HIERARCH ESO ISS PBL14 START 132.298
HIERARCH ESO ISS PBL14 END 132.301
HIERARCH ESO ISS PBLA14 START 18.666
HIERARCH ESO ISS PBLA14 END 18.778
HIERARCH ESO ISS PBL23 START 33.367
HIERARCH ESO ISS PBL23 END 33.366
HIERARCH ESO ISS PBLA23 START 3.4
HIERARCH ESO ISS PBLA23 END 3.5
HIERARCH ESO ISS PBL24 START 137.221
HIERARCH ESO ISS PBL24 END 137.218
HIERARCH ESO ISS PBLA24 START 10.686
HIERARCH ESO ISS PBLA24 END 10.785
HIERARCH ESO ISS PBL34 START 104.211
HIERARCH ESO ISS PBL34 END 104.209
HIERARCH ESO ISS PBLA34 START 13.016
HIERARCH ESO ISS PBLA34 END 13.119
HIERARCH ESO ISS AMBI TAU0 START 0.011286
HIERARCH ESO ISS AMBI TAU0 END 0.012762
HIERARCH ESO ISS AMBI TEMP 15.04
HIERARCH ESO ISS AMBI FWHM START 0.25
HIERARCH ESO ISS AMBI FWHM END 0.25