Exposure
ID
PIONI.2025-06-01T09:34:45.320_1
Header ID
PIONI.2025-06-01T09:34:45.320
Date updated
2025-06-01 09:52:13 UTC+0000
Release date
2026-06-01 09:52:13 UTC+0000
UTC Start
2025-06-01 09:34:45.320
UTC End
2025-06-01 09:35:10.920
MJD Start
60827.3991356511
MJD End
60827.3994319474
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009586
Ambient temperature (°C)
12.67
Seeing (arcsec)
0.36
Observation
ID
67695
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
50347
Name
HIP112203
RA
340.874232
DEC
-41.41487
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 45.1140 45.1360 142.4000 142.5000
A0-J2 125.3110 125.3720 80.8000 80.9000
A0-J6 167.2230 167.2060 17.9100 17.9910
B5-J2 111.1860 111.2090 59.9000 60.0000
B5-J6 196.3220 196.3110 6.9930 7.0660
J2-J6 156.7140 156.7690 332.5410 332.6020
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 60827.3991356511
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP112203
RA 340.874232
DEC -41.41487
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 45.114
HIERARCH ESO ISS PBL12 END 45.136
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 125.311
HIERARCH ESO ISS PBL13 END 125.372
HIERARCH ESO ISS PBLA13 START 80.8
HIERARCH ESO ISS PBLA13 END 80.9
HIERARCH ESO ISS PBL14 START 167.223
HIERARCH ESO ISS PBL14 END 167.206
HIERARCH ESO ISS PBLA14 START 17.91
HIERARCH ESO ISS PBLA14 END 17.991
HIERARCH ESO ISS PBL23 START 111.186
HIERARCH ESO ISS PBL23 END 111.209
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 196.322
HIERARCH ESO ISS PBL24 END 196.311
HIERARCH ESO ISS PBLA24 START 6.993
HIERARCH ESO ISS PBLA24 END 7.066
HIERARCH ESO ISS PBL34 START 156.714
HIERARCH ESO ISS PBL34 END 156.769
HIERARCH ESO ISS PBLA34 START 332.541
HIERARCH ESO ISS PBLA34 END 332.602
HIERARCH ESO ISS AMBI TAU0 START 0.009586
HIERARCH ESO ISS AMBI TAU0 END 0.009586
HIERARCH ESO ISS AMBI TEMP 12.67
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36