Exposure
ID
PIONI.2025-03-21T01:44:56.746_1
Header ID
PIONI.2025-03-21T01:44:56.746
Date updated
2025-03-21 01:50:53 UTC+0000
Release date
2026-03-21 01:50:53 UTC+0000
UTC Start
2025-03-21 01:44:56.746
UTC End
2025-03-21 01:45:22.346
MJD Start
60755.072879002
MJD End
60755.0731752983
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008968
Ambient temperature (°C)
17.28
Seeing (arcsec)
0.45999999999999996
Observation
ID
65729
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
48902
Name
HIP61181
RA
188.038535
DEC
-73.00109
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 74.9640 74.9960 55.1000 55.2000
A0-J2 124.3300 124.3470 39.2000 39.3000
A0-K0 127.8870 127.8850 26.7840 26.9260
G1-J2 56.1430 56.1390 17.7000 17.8000
G1-K0 71.3590 71.3610 356.9220 357.0320
J2-K0 27.4170 27.4400 310.3910 310.4930
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 60755.072879002
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP61181
RA 188.038535
DEC -73.00109
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 74.964
HIERARCH ESO ISS PBL12 END 74.996
HIERARCH ESO ISS PBLA12 START 55.1
HIERARCH ESO ISS PBLA12 END 55.2
HIERARCH ESO ISS PBL13 START 124.33
HIERARCH ESO ISS PBL13 END 124.347
HIERARCH ESO ISS PBLA13 START 39.2
HIERARCH ESO ISS PBLA13 END 39.3
HIERARCH ESO ISS PBL14 START 127.887
HIERARCH ESO ISS PBL14 END 127.885
HIERARCH ESO ISS PBLA14 START 26.784
HIERARCH ESO ISS PBLA14 END 26.926
HIERARCH ESO ISS PBL23 START 56.143
HIERARCH ESO ISS PBL23 END 56.139
HIERARCH ESO ISS PBLA23 START 17.7
HIERARCH ESO ISS PBLA23 END 17.8
HIERARCH ESO ISS PBL24 START 71.359
HIERARCH ESO ISS PBL24 END 71.361
HIERARCH ESO ISS PBLA24 START 356.922
HIERARCH ESO ISS PBLA24 END 357.032
HIERARCH ESO ISS PBL34 START 27.417
HIERARCH ESO ISS PBL34 END 27.44
HIERARCH ESO ISS PBLA34 START 310.391
HIERARCH ESO ISS PBLA34 END 310.493
HIERARCH ESO ISS AMBI TAU0 START 0.009475
HIERARCH ESO ISS AMBI TAU0 END 0.008461
HIERARCH ESO ISS AMBI TEMP 17.28
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.48