Exposure
ID
PIONI.2025-06-01T02:28:50.288_1
Header ID
PIONI.2025-06-01T02:28:50.288
Date updated
2025-06-01 02:35:56 UTC+0000
Release date
2026-06-01 02:35:56 UTC+0000
UTC Start
2025-06-01 02:28:50.288
UTC End
2025-06-01 02:29:15.888
MJD Start
60827.1033598199
MJD End
60827.103656116196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004929
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.33
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 42.1030 42.1410 139.0000 139.0000
A0-J2 82.1870 82.4000 62.9000 63.0000
A0-J6 166.4080 166.4020 355.8040 355.8910
B5-J2 82.8530 82.9520 33.3000 33.5000
B5-J6 201.6930 201.6890 348.6170 348.6840
J2-J6 154.2420 154.3300 326.4200 326.4310
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 60827.1033598199
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 42.103
HIERARCH ESO ISS PBL12 END 42.141
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 82.187
HIERARCH ESO ISS PBL13 END 82.4
HIERARCH ESO ISS PBLA13 START 62.9
HIERARCH ESO ISS PBLA13 END 63.0
HIERARCH ESO ISS PBL14 START 166.408
HIERARCH ESO ISS PBL14 END 166.402
HIERARCH ESO ISS PBLA14 START 355.804
HIERARCH ESO ISS PBLA14 END 355.891
HIERARCH ESO ISS PBL23 START 82.853
HIERARCH ESO ISS PBL23 END 82.952
HIERARCH ESO ISS PBLA23 START 33.3
HIERARCH ESO ISS PBLA23 END 33.5
HIERARCH ESO ISS PBL24 START 201.693
HIERARCH ESO ISS PBL24 END 201.689
HIERARCH ESO ISS PBLA24 START 348.617
HIERARCH ESO ISS PBLA24 END 348.684
HIERARCH ESO ISS PBL34 START 154.242
HIERARCH ESO ISS PBL34 END 154.33
HIERARCH ESO ISS PBLA34 START 326.42
HIERARCH ESO ISS PBLA34 END 326.431
HIERARCH ESO ISS AMBI TAU0 START 0.004929
HIERARCH ESO ISS AMBI TAU0 END 0.004929
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33