Exposure
ID
PIONI.2025-03-21T05:11:21.375_1
Header ID
PIONI.2025-03-21T05:11:21.375
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 05:11:21.375
UTC End
2025-03-21 05:11:46.975
MJD Start
60755.2162196236
MJD End
60755.2165159199
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00871
Ambient temperature (°C)
16.23
Seeing (arcsec)
0.4
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 75.6760 75.6020 141.9000 142.0000
A0-J2 99.1950 99.0110 114.1000 114.2000
A0-K0 99.0230 98.8270 85.7040 85.7530
G1-J2 47.8430 47.7690 66.5000 66.5000
G1-K0 84.8500 84.8030 37.8600 37.8770
J2-K0 48.6180 48.6180 9.7030 9.7660
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 60755.2162196236
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 75.676
HIERARCH ESO ISS PBL12 END 75.602
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 99.195
HIERARCH ESO ISS PBL13 END 99.011
HIERARCH ESO ISS PBLA13 START 114.1
HIERARCH ESO ISS PBLA13 END 114.2
HIERARCH ESO ISS PBL14 START 99.023
HIERARCH ESO ISS PBL14 END 98.827
HIERARCH ESO ISS PBLA14 START 85.704
HIERARCH ESO ISS PBLA14 END 85.753
HIERARCH ESO ISS PBL23 START 47.843
HIERARCH ESO ISS PBL23 END 47.769
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 84.85
HIERARCH ESO ISS PBL24 END 84.803
HIERARCH ESO ISS PBLA24 START 37.86
HIERARCH ESO ISS PBLA24 END 37.877
HIERARCH ESO ISS PBL34 START 48.618
HIERARCH ESO ISS PBL34 END 48.618
HIERARCH ESO ISS PBLA34 START 9.703
HIERARCH ESO ISS PBLA34 END 9.766
HIERARCH ESO ISS AMBI TAU0 START 0.00871
HIERARCH ESO ISS AMBI TAU0 END 0.00871
HIERARCH ESO ISS AMBI TEMP 16.23
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4