Exposure
ID
PIONI.2025-04-28T05:50:56.202_1
Header ID
PIONI.2025-04-28T05:50:56.202
Date updated
2025-04-28 05:55:46 UTC+0000
Release date
2026-04-28 05:55:46 UTC+0000
UTC Start
2025-04-28 05:50:56.202
UTC End
2025-04-28 05:51:21.802
MJD Start
60793.2437060368
MJD End
60793.2440023331
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0047150000000000004
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.48
Observation
ID
67026
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
49834
Name
HIP77578
RA
237.57217
DEC
2.19624
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 89.7080 89.6790 113.4000 113.4000
A0-J2 129.0790 129.0950 92.7000 92.7000
A0-K0 125.0290 125.0970 72.8600 72.8640
G1-J2 55.2530 55.2930 57.5000 57.6000
G1-K0 81.4860 81.5330 27.1310 27.1900
J2-K0 43.9040 43.8920 347.5500 347.6140
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 60793.2437060368
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP77578
RA 237.57217
DEC 2.19624
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 89.708
HIERARCH ESO ISS PBL12 END 89.679
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.079
HIERARCH ESO ISS PBL13 END 129.095
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 125.029
HIERARCH ESO ISS PBL14 END 125.097
HIERARCH ESO ISS PBLA14 START 72.86
HIERARCH ESO ISS PBLA14 END 72.864
HIERARCH ESO ISS PBL23 START 55.253
HIERARCH ESO ISS PBL23 END 55.293
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 81.486
HIERARCH ESO ISS PBL24 END 81.533
HIERARCH ESO ISS PBLA24 START 27.131
HIERARCH ESO ISS PBLA24 END 27.19
HIERARCH ESO ISS PBL34 START 43.904
HIERARCH ESO ISS PBL34 END 43.892
HIERARCH ESO ISS PBLA34 START 347.55
HIERARCH ESO ISS PBLA34 END 347.614
HIERARCH ESO ISS AMBI TAU0 START 0.004418
HIERARCH ESO ISS AMBI TAU0 END 0.005012
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48