Exposure
ID
PIONI.2025-06-01T08:47:16.928_1
Header ID
PIONI.2025-06-01T08:47:16.928
Date updated
2025-06-01 08:55:54 UTC+0000
Release date
2026-06-01 08:55:54 UTC+0000
UTC Start
2025-06-01 08:47:16.928
UTC End
2025-06-01 08:47:42.528
MJD Start
60827.3661681474
MJD End
60827.366464443694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0056495
Ambient temperature (°C)
12.84
Seeing (arcsec)
0.395
Observation
ID
67699
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
50351
Name
HIP113246
RA
343.986503
DEC
-32.53944
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 44.8820 44.9090 139.5000 139.6000
A0-J2 114.3140 114.4420 74.0000 74.1000
A0-J6 169.6220 169.6240 9.5470 9.6310
B5-J2 104.0190 104.0900 50.9000 51.1000
B5-J6 201.4080 201.4080 359.7130 359.7850
J2-J6 158.5730 158.6360 328.9580 329.0000
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 60827.3661681474
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP113246
RA 343.986503
DEC -32.53944
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 44.882
HIERARCH ESO ISS PBL12 END 44.909
HIERARCH ESO ISS PBLA12 START 139.5
HIERARCH ESO ISS PBLA12 END 139.6
HIERARCH ESO ISS PBL13 START 114.314
HIERARCH ESO ISS PBL13 END 114.442
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.1
HIERARCH ESO ISS PBL14 START 169.622
HIERARCH ESO ISS PBL14 END 169.624
HIERARCH ESO ISS PBLA14 START 9.547
HIERARCH ESO ISS PBLA14 END 9.631
HIERARCH ESO ISS PBL23 START 104.019
HIERARCH ESO ISS PBL23 END 104.09
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 201.408
HIERARCH ESO ISS PBL24 END 201.408
HIERARCH ESO ISS PBLA24 START 359.713
HIERARCH ESO ISS PBLA24 END 359.785
HIERARCH ESO ISS PBL34 START 158.573
HIERARCH ESO ISS PBL34 END 158.636
HIERARCH ESO ISS PBLA34 START 328.958
HIERARCH ESO ISS PBLA34 END 329.0
HIERARCH ESO ISS AMBI TAU0 START 0.006299
HIERARCH ESO ISS AMBI TAU0 END 0.005
HIERARCH ESO ISS AMBI TEMP 12.84
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.43