Exposure
ID
PIONI.2025-06-01T02:29:28.023_1
Header ID
PIONI.2025-06-01T02:29:28.023
Date updated
2025-06-01 02:35:56 UTC+0000
Release date
2026-06-01 02:35:56 UTC+0000
UTC Start
2025-06-01 02:29:28.023
UTC End
2025-06-01 02:29:53.623
MJD Start
60827.103796564
MJD End
60827.104092860296
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004929
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.33
Observation
ID
67662
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
50315
Name
HIP89153
RA
272.930009
DEC
-23.70141
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.1430 42.1820 139.0000 139.0000
A0-J2 82.4060 82.6250 63.0000 63.2000
A0-J6 166.4020 166.3960 355.8930 355.9840
B5-J2 82.9550 83.0580 33.5000 33.7000
B5-J6 201.6890 201.6850 348.6870 348.7540
J2-J6 154.3350 154.4230 326.4320 326.4430
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 60827.103796564
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89153
RA 272.930009
DEC -23.70141
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 42.143
HIERARCH ESO ISS PBL12 END 42.182
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 82.406
HIERARCH ESO ISS PBL13 END 82.625
HIERARCH ESO ISS PBLA13 START 63.0
HIERARCH ESO ISS PBLA13 END 63.2
HIERARCH ESO ISS PBL14 START 166.402
HIERARCH ESO ISS PBL14 END 166.396
HIERARCH ESO ISS PBLA14 START 355.893
HIERARCH ESO ISS PBLA14 END 355.984
HIERARCH ESO ISS PBL23 START 82.955
HIERARCH ESO ISS PBL23 END 83.058
HIERARCH ESO ISS PBLA23 START 33.5
HIERARCH ESO ISS PBLA23 END 33.7
HIERARCH ESO ISS PBL24 START 201.689
HIERARCH ESO ISS PBL24 END 201.685
HIERARCH ESO ISS PBLA24 START 348.687
HIERARCH ESO ISS PBLA24 END 348.754
HIERARCH ESO ISS PBL34 START 154.335
HIERARCH ESO ISS PBL34 END 154.423
HIERARCH ESO ISS PBLA34 START 326.432
HIERARCH ESO ISS PBLA34 END 326.443
HIERARCH ESO ISS AMBI TAU0 START 0.004929
HIERARCH ESO ISS AMBI TAU0 END 0.004929
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33