Exposure
ID
PIONI.2025-03-21T00:16:23.356_1
Header ID
PIONI.2025-03-21T00:16:23.356
Date updated
2025-03-21 00:26:00 UTC+0000
Release date
2026-03-21 00:26:00 UTC+0000
UTC Start
2025-03-21 00:16:23.357
UTC End
2025-03-21 00:17:01.757
MJD Start
60755.0113814417
MJD End
60755.01182588614
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00781
Ambient temperature (°C)
17.62
Seeing (arcsec)
0.81
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 90.4750 90.4770 146.2000 146.4000
A0-J2 124.6650 124.6230 130.0000 130.2000
A0-K0 110.9410 110.8480 112.4350 112.6340
G1-J2 45.3700 45.3130 96.4000 96.5000
G1-K0 61.6430 61.5540 57.8370 57.9640
J2-K0 38.5010 38.4920 10.6150 10.7250
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 60755.0113814417
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 90.475
HIERARCH ESO ISS PBL12 END 90.477
HIERARCH ESO ISS PBLA12 START 146.2
HIERARCH ESO ISS PBLA12 END 146.4
HIERARCH ESO ISS PBL13 START 124.665
HIERARCH ESO ISS PBL13 END 124.623
HIERARCH ESO ISS PBLA13 START 130.0
HIERARCH ESO ISS PBLA13 END 130.2
HIERARCH ESO ISS PBL14 START 110.941
HIERARCH ESO ISS PBL14 END 110.848
HIERARCH ESO ISS PBLA14 START 112.435
HIERARCH ESO ISS PBLA14 END 112.634
HIERARCH ESO ISS PBL23 START 45.37
HIERARCH ESO ISS PBL23 END 45.313
HIERARCH ESO ISS PBLA23 START 96.4
HIERARCH ESO ISS PBLA23 END 96.5
HIERARCH ESO ISS PBL24 START 61.643
HIERARCH ESO ISS PBL24 END 61.554
HIERARCH ESO ISS PBLA24 START 57.837
HIERARCH ESO ISS PBLA24 END 57.964
HIERARCH ESO ISS PBL34 START 38.501
HIERARCH ESO ISS PBL34 END 38.492
HIERARCH ESO ISS PBLA34 START 10.615
HIERARCH ESO ISS PBLA34 END 10.725
HIERARCH ESO ISS AMBI TAU0 START 0.00781
HIERARCH ESO ISS AMBI TAU0 END 0.00781
HIERARCH ESO ISS AMBI TEMP 17.62
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81