Exposure
ID
PIONI.2025-04-28T05:52:11.211_1
Header ID
PIONI.2025-04-28T05:52:11.211
Date updated
2025-04-28 06:00:50 UTC+0000
Release date
2026-04-28 06:00:50 UTC+0000
UTC Start
2025-04-28 05:52:11.211
UTC End
2025-04-28 05:52:36.811
MJD Start
60793.2445742046
MJD End
60793.244870500894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003812
Ambient temperature (°C)
12.75
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 89.6470 89.6170 113.4000 113.4000
A0-J2 129.1110 129.1260 92.7000 92.7000
A0-K0 125.1700 125.2360 72.8720 72.8760
G1-J2 55.3370 55.3770 57.6000 57.6000
G1-K0 81.5840 81.6310 27.2570 27.3160
J2-K0 43.8790 43.8670 347.6880 347.7530
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 60793.2445742046
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 89.647
HIERARCH ESO ISS PBL12 END 89.617
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.111
HIERARCH ESO ISS PBL13 END 129.126
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 125.17
HIERARCH ESO ISS PBL14 END 125.236
HIERARCH ESO ISS PBLA14 START 72.872
HIERARCH ESO ISS PBLA14 END 72.876
HIERARCH ESO ISS PBL23 START 55.337
HIERARCH ESO ISS PBL23 END 55.377
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 81.584
HIERARCH ESO ISS PBL24 END 81.631
HIERARCH ESO ISS PBLA24 START 27.257
HIERARCH ESO ISS PBLA24 END 27.316
HIERARCH ESO ISS PBL34 START 43.879
HIERARCH ESO ISS PBL34 END 43.867
HIERARCH ESO ISS PBLA34 START 347.688
HIERARCH ESO ISS PBLA34 END 347.753
HIERARCH ESO ISS AMBI TAU0 START 0.003812
HIERARCH ESO ISS AMBI TAU0 END 0.003812
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48