Exposure
ID
PIONI.2025-06-01T05:30:54.578_1
Header ID
PIONI.2025-06-01T05:30:54.578
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 05:30:54.578
UTC End
2025-06-01 05:31:20.178
MJD Start
60827.2297983556
MJD End
60827.230094651895
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 48.5190 48.5240 147.4000 147.4000
A0-J2 127.2510 127.3040 88.4000 88.4000
A0-J6 169.0760 169.0880 21.1190 21.1900
B5-J2 110.3830 110.4240 66.3000 66.3000
B5-J6 201.5980 201.6030 9.9270 9.9950
J2-J6 167.7740 167.7820 336.7320 336.7860
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 60827.2297983556
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 48.519
HIERARCH ESO ISS PBL12 END 48.524
HIERARCH ESO ISS PBLA12 START 147.4
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 127.251
HIERARCH ESO ISS PBL13 END 127.304
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 88.4
HIERARCH ESO ISS PBL14 START 169.076
HIERARCH ESO ISS PBL14 END 169.088
HIERARCH ESO ISS PBLA14 START 21.119
HIERARCH ESO ISS PBLA14 END 21.19
HIERARCH ESO ISS PBL23 START 110.383
HIERARCH ESO ISS PBL23 END 110.424
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.3
HIERARCH ESO ISS PBL24 START 201.598
HIERARCH ESO ISS PBL24 END 201.603
HIERARCH ESO ISS PBLA24 START 9.927
HIERARCH ESO ISS PBLA24 END 9.995
HIERARCH ESO ISS PBL34 START 167.774
HIERARCH ESO ISS PBL34 END 167.782
HIERARCH ESO ISS PBLA34 START 336.732
HIERARCH ESO ISS PBLA34 END 336.786
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