Exposure
ID
PIONI.2025-03-21T05:12:36.224_1
Header ID
PIONI.2025-03-21T05:12:36.224
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 05:12:36.224
UTC End
2025-03-21 05:13:01.824
MJD Start
60755.2170859315
MJD End
60755.2173822278
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009178
Ambient temperature (°C)
16.23
Seeing (arcsec)
0.42
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 75.5210 75.4490 142.2000 142.3000
A0-J2 98.8120 98.6330 114.3000 114.4000
A0-K0 98.6140 98.4210 85.8060 85.8540
G1-J2 47.6880 47.6160 66.6000 66.6000
G1-K0 84.7520 84.7060 37.8950 37.9100
J2-K0 48.6190 48.6200 9.8330 9.8940
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 60755.2170859315
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 75.521
HIERARCH ESO ISS PBL12 END 75.449
HIERARCH ESO ISS PBLA12 START 142.2
HIERARCH ESO ISS PBLA12 END 142.3
HIERARCH ESO ISS PBL13 START 98.812
HIERARCH ESO ISS PBL13 END 98.633
HIERARCH ESO ISS PBLA13 START 114.3
HIERARCH ESO ISS PBLA13 END 114.4
HIERARCH ESO ISS PBL14 START 98.614
HIERARCH ESO ISS PBL14 END 98.421
HIERARCH ESO ISS PBLA14 START 85.806
HIERARCH ESO ISS PBLA14 END 85.854
HIERARCH ESO ISS PBL23 START 47.688
HIERARCH ESO ISS PBL23 END 47.616
HIERARCH ESO ISS PBLA23 START 66.6
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 84.752
HIERARCH ESO ISS PBL24 END 84.706
HIERARCH ESO ISS PBLA24 START 37.895
HIERARCH ESO ISS PBLA24 END 37.91
HIERARCH ESO ISS PBL34 START 48.619
HIERARCH ESO ISS PBL34 END 48.62
HIERARCH ESO ISS PBLA34 START 9.833
HIERARCH ESO ISS PBLA34 END 9.894
HIERARCH ESO ISS AMBI TAU0 START 0.009178
HIERARCH ESO ISS AMBI TAU0 END 0.009178
HIERARCH ESO ISS AMBI TEMP 16.23
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42