Exposure
ID
PIONI.2025-07-21T09:14:10.783_1
Header ID
PIONI.2025-07-21T09:14:10.783
Date updated
2025-07-21 09:21:10 UTC+0000
Release date
2026-07-21 09:21:10 UTC+0000
UTC Start
2025-07-21 09:14:10.783
UTC End
2025-07-21 09:14:36.383
MJD Start
60877.3848470282
MJD End
60877.3851433245
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0056075
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.745
Observation
ID
68903
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
51266
Name
HIP18401
RA
59.015015
DEC
-63.46352
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 70.9600 71.0190 63.6000 63.7000
A0-J2 119.2910 119.3310 43.7000 43.8000
A0-K0 127.2700 127.2780 29.0000 29.1410
G1-J2 57.8690 57.8660 19.0000 19.1000
G1-K0 79.7700 79.7710 358.6760 358.7740
J2-K0 32.4550 32.4820 320.4570 320.5330
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 60877.3848470282
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP18401
RA 59.015015
DEC -63.46352
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 70.96
HIERARCH ESO ISS PBL12 END 71.019
HIERARCH ESO ISS PBLA12 START 63.6
HIERARCH ESO ISS PBLA12 END 63.7
HIERARCH ESO ISS PBL13 START 119.291
HIERARCH ESO ISS PBL13 END 119.331
HIERARCH ESO ISS PBLA13 START 43.7
HIERARCH ESO ISS PBLA13 END 43.8
HIERARCH ESO ISS PBL14 START 127.27
HIERARCH ESO ISS PBL14 END 127.278
HIERARCH ESO ISS PBLA14 START 29.0
HIERARCH ESO ISS PBLA14 END 29.141
HIERARCH ESO ISS PBL23 START 57.869
HIERARCH ESO ISS PBL23 END 57.866
HIERARCH ESO ISS PBLA23 START 19.0
HIERARCH ESO ISS PBLA23 END 19.1
HIERARCH ESO ISS PBL24 START 79.77
HIERARCH ESO ISS PBL24 END 79.771
HIERARCH ESO ISS PBLA24 START 358.676
HIERARCH ESO ISS PBLA24 END 358.774
HIERARCH ESO ISS PBL34 START 32.455
HIERARCH ESO ISS PBL34 END 32.482
HIERARCH ESO ISS PBLA34 START 320.457
HIERARCH ESO ISS PBLA34 END 320.533
HIERARCH ESO ISS AMBI TAU0 START 0.006196
HIERARCH ESO ISS AMBI TAU0 END 0.005019
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.79