Exposure
ID
PIONI.2025-03-21T04:54:53.395_1
Header ID
PIONI.2025-03-21T04:54:53.395
Date updated
2025-03-21 05:00:47 UTC+0000
Release date
2026-03-21 05:00:47 UTC+0000
UTC Start
2025-03-21 04:54:53.395
UTC End
2025-03-21 04:55:18.995
MJD Start
60755.2047846597
MJD End
60755.205080955995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0098105
Ambient temperature (°C)
16.14
Seeing (arcsec)
0.38
Observation
ID
65745
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
48918
Name
HIP46371
RA
141.826601
DEC
-22.34472
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 77.7220 77.6470 138.5000 138.6000
A0-J2 104.0900 103.9170 111.4000 111.5000
A0-K0 104.1780 103.9980 84.3790 84.4260
G1-J2 49.7750 49.7080 65.9000 66.0000
G1-K0 86.0560 86.0150 37.3330 37.3540
J2-K0 48.5970 48.5980 7.9700 8.0340
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 60755.2047846597
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP46371
RA 141.826601
DEC -22.34472
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 77.722
HIERARCH ESO ISS PBL12 END 77.647
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 104.09
HIERARCH ESO ISS PBL13 END 103.917
HIERARCH ESO ISS PBLA13 START 111.4
HIERARCH ESO ISS PBLA13 END 111.5
HIERARCH ESO ISS PBL14 START 104.178
HIERARCH ESO ISS PBL14 END 103.998
HIERARCH ESO ISS PBLA14 START 84.379
HIERARCH ESO ISS PBLA14 END 84.426
HIERARCH ESO ISS PBL23 START 49.775
HIERARCH ESO ISS PBL23 END 49.708
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 86.056
HIERARCH ESO ISS PBL24 END 86.015
HIERARCH ESO ISS PBLA24 START 37.333
HIERARCH ESO ISS PBLA24 END 37.354
HIERARCH ESO ISS PBL34 START 48.597
HIERARCH ESO ISS PBL34 END 48.598
HIERARCH ESO ISS PBLA34 START 7.97
HIERARCH ESO ISS PBLA34 END 8.034
HIERARCH ESO ISS AMBI TAU0 START 0.010075
HIERARCH ESO ISS AMBI TAU0 END 0.009546
HIERARCH ESO ISS AMBI TEMP 16.14
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38