Exposure
ID
PIONI.2025-03-21T01:00:28.390_1
Header ID
PIONI.2025-03-21T01:00:28.390
Date updated
2025-03-21 01:10:51 UTC+0000
Release date
2026-03-21 01:10:51 UTC+0000
UTC Start
2025-03-21 01:00:28.390
UTC End
2025-03-21 01:01:06.790
MJD Start
60755.0419952567
MJD End
60755.042439701145
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009416
Ambient temperature (°C)
16.55
Seeing (arcsec)
0.62
Observation
ID
65725
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
48898
Name
HIP22081
RA
71.238653
DEC
-63.22973
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4980 90.4970 156.0000 156.2000
A0-J2 122.3610 122.3200 141.0000 141.2000
A0-K0 105.7320 105.6370 123.7690 123.9820
G1-J2 42.1060 42.0450 107.1000 107.3000
G1-K0 56.4150 56.3140 64.9330 65.0640
J2-K0 37.8830 37.8690 16.6580 16.7670
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 60755.0419952567
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP22081
RA 71.238653
DEC -63.22973
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.498
HIERARCH ESO ISS PBL12 END 90.497
HIERARCH ESO ISS PBLA12 START 156.0
HIERARCH ESO ISS PBLA12 END 156.2
HIERARCH ESO ISS PBL13 START 122.361
HIERARCH ESO ISS PBL13 END 122.32
HIERARCH ESO ISS PBLA13 START 141.0
HIERARCH ESO ISS PBLA13 END 141.2
HIERARCH ESO ISS PBL14 START 105.732
HIERARCH ESO ISS PBL14 END 105.637
HIERARCH ESO ISS PBLA14 START 123.769
HIERARCH ESO ISS PBLA14 END 123.982
HIERARCH ESO ISS PBL23 START 42.106
HIERARCH ESO ISS PBL23 END 42.045
HIERARCH ESO ISS PBLA23 START 107.1
HIERARCH ESO ISS PBLA23 END 107.3
HIERARCH ESO ISS PBL24 START 56.415
HIERARCH ESO ISS PBL24 END 56.314
HIERARCH ESO ISS PBLA24 START 64.933
HIERARCH ESO ISS PBLA24 END 65.064
HIERARCH ESO ISS PBL34 START 37.883
HIERARCH ESO ISS PBL34 END 37.869
HIERARCH ESO ISS PBLA34 START 16.658
HIERARCH ESO ISS PBLA34 END 16.767
HIERARCH ESO ISS AMBI TAU0 START 0.009416
HIERARCH ESO ISS AMBI TAU0 END 0.009416
HIERARCH ESO ISS AMBI TEMP 16.55
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62