Exposure
ID
PIONI.2025-05-21T09:48:03.268_1
Header ID
PIONI.2025-05-21T09:48:03.268
Date updated
2025-05-21 09:56:14 UTC+0000
Release date
2026-05-21 09:56:13 UTC+0000
UTC Start
2025-05-21 09:48:03.268
UTC End
2025-05-21 09:48:28.868
MJD Start
60816.4083711579
MJD End
60816.4086674542
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0099325
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.41000000000000003
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 18.8540 18.8810 118.1000 118.1000
A0-D0 30.1470 30.1590 35.7000 35.8000
A0-J3 132.2260 132.2300 16.4060 16.5180
B2-D0 33.3760 33.3760 1.6000 1.7000
B2-J3 137.2840 137.2820 8.6780 8.7770
D0-J3 104.2420 104.2400 10.9330 11.0360
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 60816.4083711579
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 18.854
HIERARCH ESO ISS PBL12 END 18.881
HIERARCH ESO ISS PBLA12 START 118.1
HIERARCH ESO ISS PBLA12 END 118.1
HIERARCH ESO ISS PBL13 START 30.147
HIERARCH ESO ISS PBL13 END 30.159
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 132.226
HIERARCH ESO ISS PBL14 END 132.23
HIERARCH ESO ISS PBLA14 START 16.406
HIERARCH ESO ISS PBLA14 END 16.518
HIERARCH ESO ISS PBL23 START 33.376
HIERARCH ESO ISS PBL23 END 33.376
HIERARCH ESO ISS PBLA23 START 1.6
HIERARCH ESO ISS PBLA23 END 1.7
HIERARCH ESO ISS PBL24 START 137.284
HIERARCH ESO ISS PBL24 END 137.282
HIERARCH ESO ISS PBLA24 START 8.678
HIERARCH ESO ISS PBLA24 END 8.777
HIERARCH ESO ISS PBL34 START 104.242
HIERARCH ESO ISS PBL34 END 104.24
HIERARCH ESO ISS PBLA34 START 10.933
HIERARCH ESO ISS PBLA34 END 11.036
HIERARCH ESO ISS AMBI TAU0 START 0.009917
HIERARCH ESO ISS AMBI TAU0 END 0.009948
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.4