Exposure
ID
PIONI.2025-05-24T09:24:34.253_1
Header ID
PIONI.2025-05-24T09:24:34.253
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 09:24:34.253
UTC End
2025-05-24 09:24:59.853
MJD Start
60819.3920631139
MJD End
60819.392359410194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004425500000000001
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.63
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 58.2560 58.1760 288.9000 289.0000
K0-D0 81.7340 81.6150 264.7000 264.8000
K0-J3 55.7920 55.7880 350.9830 351.0700
G2-D0 37.2390 37.2150 224.9000 224.9000
G2-J3 58.8430 58.7930 52.0050 52.0320
D0-J3 95.9060 95.8320 49.2440 49.2700
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 60819.3920631139
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 58.256
HIERARCH ESO ISS PBL12 END 58.176
HIERARCH ESO ISS PBLA12 START 288.9
HIERARCH ESO ISS PBLA12 END 289.0
HIERARCH ESO ISS PBL13 START 81.734
HIERARCH ESO ISS PBL13 END 81.615
HIERARCH ESO ISS PBLA13 START 264.7
HIERARCH ESO ISS PBLA13 END 264.8
HIERARCH ESO ISS PBL14 START 55.792
HIERARCH ESO ISS PBL14 END 55.788
HIERARCH ESO ISS PBLA14 START 350.983
HIERARCH ESO ISS PBLA14 END 351.07
HIERARCH ESO ISS PBL23 START 37.239
HIERARCH ESO ISS PBL23 END 37.215
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 224.9
HIERARCH ESO ISS PBL24 START 58.843
HIERARCH ESO ISS PBL24 END 58.793
HIERARCH ESO ISS PBLA24 START 52.005
HIERARCH ESO ISS PBLA24 END 52.032
HIERARCH ESO ISS PBL34 START 95.906
HIERARCH ESO ISS PBL34 END 95.832
HIERARCH ESO ISS PBLA34 START 49.244
HIERARCH ESO ISS PBLA34 END 49.27
HIERARCH ESO ISS AMBI TAU0 START 0.003856
HIERARCH ESO ISS AMBI TAU0 END 0.004995
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.58