Exposure
ID
PIONI.2025-06-01T08:19:18.909_1
Header ID
PIONI.2025-06-01T08:19:18.909
Date updated
2025-06-01 08:26:40 UTC+0000
Release date
2026-06-01 08:26:40 UTC+0000
UTC Start
2025-06-01 08:19:18.909
UTC End
2025-06-01 08:19:44.509
MJD Start
60827.3467466314
MJD End
60827.3470429277
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0078875
Ambient temperature (°C)
12.86
Seeing (arcsec)
0.345
Observation
ID
67677
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
50330
Name
HIP103738
RA
315.322046
DEC
-32.2578
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 47.6800 47.6920 146.7000 146.7000
A0-J2 127.3280 127.3770 86.8000 86.9000
A0-J6 169.4670 169.4600 20.9840 21.0580
B5-J2 111.2980 111.3230 65.1000 65.2000
B5-J6 201.0420 201.0350 9.8780 9.9460
J2-J6 165.1100 165.1380 336.2720 336.3300
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 60827.3467466314
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP103738
RA 315.322046
DEC -32.2578
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 47.68
HIERARCH ESO ISS PBL12 END 47.692
HIERARCH ESO ISS PBLA12 START 146.7
HIERARCH ESO ISS PBLA12 END 146.7
HIERARCH ESO ISS PBL13 START 127.328
HIERARCH ESO ISS PBL13 END 127.377
HIERARCH ESO ISS PBLA13 START 86.8
HIERARCH ESO ISS PBLA13 END 86.9
HIERARCH ESO ISS PBL14 START 169.467
HIERARCH ESO ISS PBL14 END 169.46
HIERARCH ESO ISS PBLA14 START 20.984
HIERARCH ESO ISS PBLA14 END 21.058
HIERARCH ESO ISS PBL23 START 111.298
HIERARCH ESO ISS PBL23 END 111.323
HIERARCH ESO ISS PBLA23 START 65.1
HIERARCH ESO ISS PBLA23 END 65.2
HIERARCH ESO ISS PBL24 START 201.042
HIERARCH ESO ISS PBL24 END 201.035
HIERARCH ESO ISS PBLA24 START 9.878
HIERARCH ESO ISS PBLA24 END 9.946
HIERARCH ESO ISS PBL34 START 165.11
HIERARCH ESO ISS PBL34 END 165.138
HIERARCH ESO ISS PBLA34 START 336.272
HIERARCH ESO ISS PBLA34 END 336.33
HIERARCH ESO ISS AMBI TAU0 START 0.00734
HIERARCH ESO ISS AMBI TAU0 END 0.008435
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.34