Exposure
ID
PIONI.2025-05-31T02:57:08.352_1
Header ID
PIONI.2025-05-31T02:57:08.352
Date updated
2025-05-31 03:09:10 UTC+0000
Release date
2026-05-31 03:09:10 UTC+0000
UTC Start
2025-05-31 02:57:08.352
UTC End
2025-05-31 02:57:33.952
MJD Start
60826.1230133283
MJD End
60826.1233096246
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0072195
Ambient temperature (°C)
15.15
Seeing (arcsec)
0.315
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 43.5760 43.6100 139.2000 139.2000
A0-J2 90.6990 90.9100 67.9000 68.0000
A0-J6 166.2700 166.2690 359.3860 359.4770
B5-J2 87.0830 87.1940 39.6000 39.8000
B5-J6 201.5140 201.5100 351.3600 351.4310
J2-J6 157.5820 157.6600 327.0060 327.0240
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 60826.1230133283
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 43.576
HIERARCH ESO ISS PBL12 END 43.61
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 90.699
HIERARCH ESO ISS PBL13 END 90.91
HIERARCH ESO ISS PBLA13 START 67.9
HIERARCH ESO ISS PBLA13 END 68.0
HIERARCH ESO ISS PBL14 START 166.27
HIERARCH ESO ISS PBL14 END 166.269
HIERARCH ESO ISS PBLA14 START 359.386
HIERARCH ESO ISS PBLA14 END 359.477
HIERARCH ESO ISS PBL23 START 87.083
HIERARCH ESO ISS PBL23 END 87.194
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 201.514
HIERARCH ESO ISS PBL24 END 201.51
HIERARCH ESO ISS PBLA24 START 351.36
HIERARCH ESO ISS PBLA24 END 351.431
HIERARCH ESO ISS PBL34 START 157.582
HIERARCH ESO ISS PBL34 END 157.66
HIERARCH ESO ISS PBLA34 START 327.006
HIERARCH ESO ISS PBLA34 END 327.024
HIERARCH ESO ISS AMBI TAU0 START 0.006603
HIERARCH ESO ISS AMBI TAU0 END 0.007836
HIERARCH ESO ISS AMBI TEMP 15.15
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.32