Exposure
ID
PIONI.2025-05-31T03:08:45.595_1
Header ID
PIONI.2025-05-31T03:08:45.595
Date updated
2025-05-31 03:16:03 UTC+0000
Release date
2026-05-31 03:16:02 UTC+0000
UTC Start
2025-05-31 03:08:45.595
UTC End
2025-05-31 03:09:11.195
MJD Start
60826.131083271
MJD End
60826.1313795673
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008172
Ambient temperature (°C)
15.08
Seeing (arcsec)
0.28500000000000003
Observation
ID
67662
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
50315
Name
HIP89153
RA
272.930009
DEC
-23.70141
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 44.2140 44.2450 139.4000 139.4000
A0-J2 94.6160 94.8140 70.0000 70.1000
A0-J6 166.2770 166.2790 1.1020 1.1910
B5-J2 89.1950 89.3050 42.4000 42.5000
B5-J6 201.4310 201.4270 352.7010 352.7710
J2-J6 159.0000 159.0700 327.3810 327.4020
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 60826.131083271
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89153
RA 272.930009
DEC -23.70141
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 44.214
HIERARCH ESO ISS PBL12 END 44.245
HIERARCH ESO ISS PBLA12 START 139.4
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 94.616
HIERARCH ESO ISS PBL13 END 94.814
HIERARCH ESO ISS PBLA13 START 70.0
HIERARCH ESO ISS PBLA13 END 70.1
HIERARCH ESO ISS PBL14 START 166.277
HIERARCH ESO ISS PBL14 END 166.279
HIERARCH ESO ISS PBLA14 START 1.102
HIERARCH ESO ISS PBLA14 END 1.191
HIERARCH ESO ISS PBL23 START 89.195
HIERARCH ESO ISS PBL23 END 89.305
HIERARCH ESO ISS PBLA23 START 42.4
HIERARCH ESO ISS PBLA23 END 42.5
HIERARCH ESO ISS PBL24 START 201.431
HIERARCH ESO ISS PBL24 END 201.427
HIERARCH ESO ISS PBLA24 START 352.701
HIERARCH ESO ISS PBLA24 END 352.771
HIERARCH ESO ISS PBL34 START 159.0
HIERARCH ESO ISS PBL34 END 159.07
HIERARCH ESO ISS PBLA34 START 327.381
HIERARCH ESO ISS PBLA34 END 327.402
HIERARCH ESO ISS AMBI TAU0 START 0.007981
HIERARCH ESO ISS AMBI TAU0 END 0.008363
HIERARCH ESO ISS AMBI TEMP 15.08
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.29