Exposure
ID
PIONI.2025-06-01T05:29:01.613_1
Header ID
PIONI.2025-06-01T05:29:01.613
Date updated
2025-06-01 05:36:44 UTC+0000
Release date
2026-06-01 05:36:44 UTC+0000
UTC Start
2025-06-01 05:29:01.613
UTC End
2025-06-01 05:29:27.213
MJD Start
60827.22849089
MJD End
60827.22878718629
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010321
Ambient temperature (°C)
13.38
Seeing (arcsec)
0.405
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 48.5040 48.5090 147.2000 147.3000
A0-J2 127.0770 127.1330 88.2000 88.3000
A0-J6 169.0360 169.0490 20.8950 20.9660
B5-J2 110.2500 110.2930 66.0000 66.1000
B5-J6 201.5840 201.5890 9.7150 9.7830
J2-J6 167.7490 167.7580 336.5620 336.6160
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 60827.22849089
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 48.504
HIERARCH ESO ISS PBL12 END 48.509
HIERARCH ESO ISS PBLA12 START 147.2
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 127.077
HIERARCH ESO ISS PBL13 END 127.133
HIERARCH ESO ISS PBLA13 START 88.2
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 169.036
HIERARCH ESO ISS PBL14 END 169.049
HIERARCH ESO ISS PBLA14 START 20.895
HIERARCH ESO ISS PBLA14 END 20.966
HIERARCH ESO ISS PBL23 START 110.25
HIERARCH ESO ISS PBL23 END 110.293
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.1
HIERARCH ESO ISS PBL24 START 201.584
HIERARCH ESO ISS PBL24 END 201.589
HIERARCH ESO ISS PBLA24 START 9.715
HIERARCH ESO ISS PBLA24 END 9.783
HIERARCH ESO ISS PBL34 START 167.749
HIERARCH ESO ISS PBL34 END 167.758
HIERARCH ESO ISS PBLA34 START 336.562
HIERARCH ESO ISS PBLA34 END 336.616
HIERARCH ESO ISS AMBI TAU0 START 0.010321
HIERARCH ESO ISS AMBI TAU0 END 0.010321
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41