Exposure
ID
PIONI.2025-05-23T09:59:42.424_1
Header ID
PIONI.2025-05-23T09:59:42.424
Date updated
2025-05-23 10:11:24 UTC+0000
Release date
2026-05-23 10:11:23 UTC+0000
UTC Start
2025-05-23 09:59:42.424
UTC End
2025-05-23 10:00:08.024
MJD Start
60818.416463241
MJD End
60818.4167595373
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004229
Ambient temperature (°C)
13.47
Seeing (arcsec)
0.55
Observation
ID
67549
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
50239
Name
HIP93683
RA
286.171229
DEC
-21.74183
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 58.2980 58.2140 286.0000 286.1000
K0-D0 83.1500 83.0340 262.1000 262.1000
K0-J3 55.1300 55.1250 350.0830 350.1700
G2-D0 38.0620 38.0410 223.7000 223.8000
G2-J3 60.2580 60.2140 50.5870 50.6080
D0-J3 98.1530 98.0890 47.9340 47.9560
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 60818.416463241
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP93683
RA 286.171229
DEC -21.74183
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 58.298
HIERARCH ESO ISS PBL12 END 58.214
HIERARCH ESO ISS PBLA12 START 286.0
HIERARCH ESO ISS PBLA12 END 286.1
HIERARCH ESO ISS PBL13 START 83.15
HIERARCH ESO ISS PBL13 END 83.034
HIERARCH ESO ISS PBLA13 START 262.1
HIERARCH ESO ISS PBLA13 END 262.1
HIERARCH ESO ISS PBL14 START 55.13
HIERARCH ESO ISS PBL14 END 55.125
HIERARCH ESO ISS PBLA14 START 350.083
HIERARCH ESO ISS PBLA14 END 350.17
HIERARCH ESO ISS PBL23 START 38.062
HIERARCH ESO ISS PBL23 END 38.041
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.8
HIERARCH ESO ISS PBL24 START 60.258
HIERARCH ESO ISS PBL24 END 60.214
HIERARCH ESO ISS PBLA24 START 50.587
HIERARCH ESO ISS PBLA24 END 50.608
HIERARCH ESO ISS PBL34 START 98.153
HIERARCH ESO ISS PBL34 END 98.089
HIERARCH ESO ISS PBLA34 START 47.934
HIERARCH ESO ISS PBLA34 END 47.956
HIERARCH ESO ISS AMBI TAU0 START 0.004229
HIERARCH ESO ISS AMBI TAU0 END 0.004229
HIERARCH ESO ISS AMBI TEMP 13.47
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55