Exposure
ID
PIONI.2025-05-31T06:05:25.610_1
Header ID
PIONI.2025-05-31T06:05:25.610
Date updated
2025-05-31 06:23:23 UTC+0000
Release date
2026-05-31 06:23:22 UTC+0000
UTC Start
2025-05-31 06:05:25.611
UTC End
2025-05-31 06:05:51.211
MJD Start
60826.2537686448
MJD End
60826.254064941095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015187
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.39
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 42.2010 42.2380 136.7000 136.7000
A0-J2 101.6670 101.8270 64.8000 64.9000
A0-J6 169.4580 169.4590 2.1760 2.2630
B5-J2 97.2320 97.3120 40.4000 40.5000
B5-J6 201.3060 201.3100 353.5800 353.6510
J2-J6 152.2900 152.3780 325.8350 325.8660
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 60826.2537686448
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 42.201
HIERARCH ESO ISS PBL12 END 42.238
HIERARCH ESO ISS PBLA12 START 136.7
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 101.667
HIERARCH ESO ISS PBL13 END 101.827
HIERARCH ESO ISS PBLA13 START 64.8
HIERARCH ESO ISS PBLA13 END 64.9
HIERARCH ESO ISS PBL14 START 169.458
HIERARCH ESO ISS PBL14 END 169.459
HIERARCH ESO ISS PBLA14 START 2.176
HIERARCH ESO ISS PBLA14 END 2.263
HIERARCH ESO ISS PBL23 START 97.232
HIERARCH ESO ISS PBL23 END 97.312
HIERARCH ESO ISS PBLA23 START 40.4
HIERARCH ESO ISS PBLA23 END 40.5
HIERARCH ESO ISS PBL24 START 201.306
HIERARCH ESO ISS PBL24 END 201.31
HIERARCH ESO ISS PBLA24 START 353.58
HIERARCH ESO ISS PBLA24 END 353.651
HIERARCH ESO ISS PBL34 START 152.29
HIERARCH ESO ISS PBL34 END 152.378
HIERARCH ESO ISS PBLA34 START 325.835
HIERARCH ESO ISS PBLA34 END 325.866
HIERARCH ESO ISS AMBI TAU0 START 0.015187
HIERARCH ESO ISS AMBI TAU0 END 0.015187
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39