Exposure
ID
PIONI.2025-06-01T05:31:32.201_1
Header ID
PIONI.2025-06-01T05:31:32.201
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 05:31:32.202
UTC End
2025-06-01 05:31:57.802
MJD Start
60827.2302338141
MJD End
60827.2305301104
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010321
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.41
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 48.5240 48.5290 147.4000 147.5000
A0-J2 127.3070 127.3600 88.4000 88.5000
A0-J6 169.0890 169.1020 21.1940 21.2650
B5-J2 110.4260 110.4670 66.3000 66.4000
B5-J6 201.6030 201.6080 9.9990 10.0660
J2-J6 167.7820 167.7900 336.7890 336.8430
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 60827.2302338141
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 48.524
HIERARCH ESO ISS PBL12 END 48.529
HIERARCH ESO ISS PBLA12 START 147.4
HIERARCH ESO ISS PBLA12 END 147.5
HIERARCH ESO ISS PBL13 START 127.307
HIERARCH ESO ISS PBL13 END 127.36
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 88.5
HIERARCH ESO ISS PBL14 START 169.089
HIERARCH ESO ISS PBL14 END 169.102
HIERARCH ESO ISS PBLA14 START 21.194
HIERARCH ESO ISS PBLA14 END 21.265
HIERARCH ESO ISS PBL23 START 110.426
HIERARCH ESO ISS PBL23 END 110.467
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 201.603
HIERARCH ESO ISS PBL24 END 201.608
HIERARCH ESO ISS PBLA24 START 9.999
HIERARCH ESO ISS PBLA24 END 10.066
HIERARCH ESO ISS PBL34 START 167.782
HIERARCH ESO ISS PBL34 END 167.79
HIERARCH ESO ISS PBLA34 START 336.789
HIERARCH ESO ISS PBLA34 END 336.843
HIERARCH ESO ISS AMBI TAU0 START 0.010321
HIERARCH ESO ISS AMBI TAU0 END 0.010321
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41