Exposure
ID
PIONI.2025-05-24T09:25:49.622_1
Header ID
PIONI.2025-05-24T09:25:49.622
Date updated
2025-05-24 09:31:06 UTC+0000
Release date
2026-05-24 09:31:06 UTC+0000
UTC Start
2025-05-24 09:25:49.622
UTC End
2025-05-24 09:26:15.222
MJD Start
60819.392935439
MJD End
60819.393231735296
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004995
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.595
Observation
ID
67558
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
50247
Name
HIP90496
RA
276.992378
DEC
-25.42274
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 58.0890 58.0080 289.1000 289.2000
K0-D0 81.4860 81.3660 264.8000 264.9000
K0-J3 55.7850 55.7810 351.1630 351.2500
G2-D0 37.1880 37.1640 224.9000 225.0000
G2-J3 58.7390 58.6890 52.0600 52.0870
D0-J3 95.7520 95.6770 49.2980 49.3240
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 60819.392935439
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP90496
RA 276.992378
DEC -25.42274
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 58.089
HIERARCH ESO ISS PBL12 END 58.008
HIERARCH ESO ISS PBLA12 START 289.1
HIERARCH ESO ISS PBLA12 END 289.2
HIERARCH ESO ISS PBL13 START 81.486
HIERARCH ESO ISS PBL13 END 81.366
HIERARCH ESO ISS PBLA13 START 264.8
HIERARCH ESO ISS PBLA13 END 264.9
HIERARCH ESO ISS PBL14 START 55.785
HIERARCH ESO ISS PBL14 END 55.781
HIERARCH ESO ISS PBLA14 START 351.163
HIERARCH ESO ISS PBLA14 END 351.25
HIERARCH ESO ISS PBL23 START 37.188
HIERARCH ESO ISS PBL23 END 37.164
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 225.0
HIERARCH ESO ISS PBL24 START 58.739
HIERARCH ESO ISS PBL24 END 58.689
HIERARCH ESO ISS PBLA24 START 52.06
HIERARCH ESO ISS PBLA24 END 52.087
HIERARCH ESO ISS PBL34 START 95.752
HIERARCH ESO ISS PBL34 END 95.677
HIERARCH ESO ISS PBLA34 START 49.298
HIERARCH ESO ISS PBLA34 END 49.324
HIERARCH ESO ISS AMBI TAU0 START 0.004995
HIERARCH ESO ISS AMBI TAU0 END 0.004995
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.61