Exposure
ID
PIONI.2025-03-21T05:13:13.666_1
Header ID
PIONI.2025-03-21T05:13:13.666
Date updated
2025-03-21 05:20:35 UTC+0000
Release date
2026-03-21 05:20:34 UTC+0000
UTC Start
2025-03-21 05:13:13.666
UTC End
2025-03-21 05:13:39.266
MJD Start
60755.2175192791
MJD End
60755.21781557539
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0091995
Ambient temperature (°C)
16.23
Seeing (arcsec)
0.415
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 75.4450 75.3710 142.3000 142.4000
A0-J2 98.6230 98.4380 114.4000 114.5000
A0-K0 98.4100 98.2120 85.8560 85.9050
G1-J2 47.6120 47.5370 66.6000 66.6000
G1-K0 84.7030 84.6550 37.9110 37.9280
J2-K0 48.6200 48.6200 9.8970 9.9590
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 60755.2175192791
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 75.445
HIERARCH ESO ISS PBL12 END 75.371
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 98.623
HIERARCH ESO ISS PBL13 END 98.438
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 114.5
HIERARCH ESO ISS PBL14 START 98.41
HIERARCH ESO ISS PBL14 END 98.212
HIERARCH ESO ISS PBLA14 START 85.856
HIERARCH ESO ISS PBLA14 END 85.905
HIERARCH ESO ISS PBL23 START 47.612
HIERARCH ESO ISS PBL23 END 47.537
HIERARCH ESO ISS PBLA23 START 66.6
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 84.703
HIERARCH ESO ISS PBL24 END 84.655
HIERARCH ESO ISS PBLA24 START 37.911
HIERARCH ESO ISS PBLA24 END 37.928
HIERARCH ESO ISS PBL34 START 48.62
HIERARCH ESO ISS PBL34 END 48.62
HIERARCH ESO ISS PBLA34 START 9.897
HIERARCH ESO ISS PBLA34 END 9.959
HIERARCH ESO ISS AMBI TAU0 START 0.009178
HIERARCH ESO ISS AMBI TAU0 END 0.009221
HIERARCH ESO ISS AMBI TEMP 16.23
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.41