Exposure
ID
PIONI.2025-06-01T08:46:39.122_1
Header ID
PIONI.2025-06-01T08:46:39.122
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 08:46:39.122
UTC End
2025-06-01 08:47:04.722
MJD Start
60827.3657305776
MJD End
60827.3660268739
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006299
Ambient temperature (°C)
12.84
Seeing (arcsec)
0.36
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 44.8540 44.8810 139.5000 139.5000
A0-J2 114.1820 114.3100 73.9000 74.0000
A0-J6 169.6200 169.6220 9.4590 9.5430
B5-J2 103.9450 104.0170 50.8000 50.9000
B5-J6 201.4070 201.4080 359.6380 359.7100
J2-J6 158.5080 158.5720 328.9130 328.9550
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 60827.3657305776
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 44.854
HIERARCH ESO ISS PBL12 END 44.881
HIERARCH ESO ISS PBLA12 START 139.5
HIERARCH ESO ISS PBLA12 END 139.5
HIERARCH ESO ISS PBL13 START 114.182
HIERARCH ESO ISS PBL13 END 114.31
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 169.62
HIERARCH ESO ISS PBL14 END 169.622
HIERARCH ESO ISS PBLA14 START 9.459
HIERARCH ESO ISS PBLA14 END 9.543
HIERARCH ESO ISS PBL23 START 103.945
HIERARCH ESO ISS PBL23 END 104.017
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 201.407
HIERARCH ESO ISS PBL24 END 201.408
HIERARCH ESO ISS PBLA24 START 359.638
HIERARCH ESO ISS PBLA24 END 359.71
HIERARCH ESO ISS PBL34 START 158.508
HIERARCH ESO ISS PBL34 END 158.572
HIERARCH ESO ISS PBLA34 START 328.913
HIERARCH ESO ISS PBLA34 END 328.955
HIERARCH ESO ISS AMBI TAU0 START 0.006299
HIERARCH ESO ISS AMBI TAU0 END 0.006299
HIERARCH ESO ISS AMBI TEMP 12.84
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36