Exposure
ID
PIONI.2025-06-01T02:15:53.729_1
Header ID
PIONI.2025-06-01T02:15:53.729
Date updated
2025-06-01 02:29:11 UTC+0000
Release date
2026-06-01 02:29:11 UTC+0000
UTC Start
2025-06-01 02:15:53.729
UTC End
2025-06-01 02:16:19.329
MJD Start
60827.0943718618
MJD End
60827.0946681581
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006241
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.64
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 41.2490 41.2890 139.0000 139.0000
A0-J2 77.5660 77.7810 59.8000 59.9000
A0-J6 166.5610 166.5530 353.9150 354.0020
B5-J2 80.7820 80.8740 29.6000 29.8000
B5-J6 201.7780 201.7740 347.2010 347.2660
J2-J6 152.2650 152.3590 326.2240 326.2310
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 60827.0943718618
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 41.249
HIERARCH ESO ISS PBL12 END 41.289
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 77.566
HIERARCH ESO ISS PBL13 END 77.781
HIERARCH ESO ISS PBLA13 START 59.8
HIERARCH ESO ISS PBLA13 END 59.9
HIERARCH ESO ISS PBL14 START 166.561
HIERARCH ESO ISS PBL14 END 166.553
HIERARCH ESO ISS PBLA14 START 353.915
HIERARCH ESO ISS PBLA14 END 354.002
HIERARCH ESO ISS PBL23 START 80.782
HIERARCH ESO ISS PBL23 END 80.874
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 29.8
HIERARCH ESO ISS PBL24 START 201.778
HIERARCH ESO ISS PBL24 END 201.774
HIERARCH ESO ISS PBLA24 START 347.201
HIERARCH ESO ISS PBLA24 END 347.266
HIERARCH ESO ISS PBL34 START 152.265
HIERARCH ESO ISS PBL34 END 152.359
HIERARCH ESO ISS PBLA34 START 326.224
HIERARCH ESO ISS PBLA34 END 326.231
HIERARCH ESO ISS AMBI TAU0 START 0.006241
HIERARCH ESO ISS AMBI TAU0 END 0.006241
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64