Exposure
ID
PIONI.2025-03-20T23:57:57.614_1
Header ID
PIONI.2025-03-20T23:57:57.614
Date updated
2025-03-21 00:05:57 UTC+0000
Release date
2026-03-21 00:05:57 UTC+0000
UTC Start
2025-03-20 23:57:57.615
UTC End
2025-03-20 23:58:36.015
MJD Start
60754.9985835049
MJD End
60754.99902794934
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005763
Ambient temperature (°C)
17.99
Seeing (arcsec)
1.2000000000000002
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 90.4030 90.4070 142.1000 142.3000
A0-J2 125.5910 125.5520 125.6000 125.8000
A0-K0 113.0530 112.9630 107.9170 108.1110
G1-J2 46.6630 46.6080 92.1000 92.3000
G1-K0 63.6190 63.5360 54.9180 55.0440
J2-K0 38.6760 38.6700 8.0720 8.1820
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 60754.9985835049
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 90.403
HIERARCH ESO ISS PBL12 END 90.407
HIERARCH ESO ISS PBLA12 START 142.1
HIERARCH ESO ISS PBLA12 END 142.3
HIERARCH ESO ISS PBL13 START 125.591
HIERARCH ESO ISS PBL13 END 125.552
HIERARCH ESO ISS PBLA13 START 125.6
HIERARCH ESO ISS PBLA13 END 125.8
HIERARCH ESO ISS PBL14 START 113.053
HIERARCH ESO ISS PBL14 END 112.963
HIERARCH ESO ISS PBLA14 START 107.917
HIERARCH ESO ISS PBLA14 END 108.111
HIERARCH ESO ISS PBL23 START 46.663
HIERARCH ESO ISS PBL23 END 46.608
HIERARCH ESO ISS PBLA23 START 92.1
HIERARCH ESO ISS PBLA23 END 92.3
HIERARCH ESO ISS PBL24 START 63.619
HIERARCH ESO ISS PBL24 END 63.536
HIERARCH ESO ISS PBLA24 START 54.918
HIERARCH ESO ISS PBLA24 END 55.044
HIERARCH ESO ISS PBL34 START 38.676
HIERARCH ESO ISS PBL34 END 38.67
HIERARCH ESO ISS PBLA34 START 8.072
HIERARCH ESO ISS PBLA34 END 8.182
HIERARCH ESO ISS AMBI TAU0 START 0.006258
HIERARCH ESO ISS AMBI TAU0 END 0.005268
HIERARCH ESO ISS AMBI TEMP 17.99
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.29