Exposure
ID
PIONI.2025-03-02T04:01:53.086_1
Header ID
PIONI.2025-03-02T04:01:53.086
Date updated
2025-03-02 04:05:37 UTC+0000
Release date
2026-03-02 04:05:37 UTC+0000
UTC Start
2025-03-02 04:01:53.086
UTC End
2025-03-02 04:02:18.686
MJD Start
60736.1679755305
MJD End
60736.1682718268
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004807
Ambient temperature (°C)
14.94
Seeing (arcsec)
0.79
Observation
ID
64921
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
48350
Name
HIP65468
RA
201.273077
DEC
-74.88856
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 76.3230 76.3500 56.5000 56.6000
A0-J2 125.3950 125.4090 41.1000 41.3000
A0-K0 127.6460 127.6430 28.9710 29.1140
G1-J2 55.5770 55.5730 19.9000 20.0000
G1-K0 69.5250 69.5260 358.5330 358.6460
J2-K0 26.8990 26.9200 309.8350 309.9430
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 60736.1679755305
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP65468
RA 201.273077
DEC -74.88856
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 76.323
HIERARCH ESO ISS PBL12 END 76.35
HIERARCH ESO ISS PBLA12 START 56.5
HIERARCH ESO ISS PBLA12 END 56.6
HIERARCH ESO ISS PBL13 START 125.395
HIERARCH ESO ISS PBL13 END 125.409
HIERARCH ESO ISS PBLA13 START 41.1
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 127.646
HIERARCH ESO ISS PBL14 END 127.643
HIERARCH ESO ISS PBLA14 START 28.971
HIERARCH ESO ISS PBLA14 END 29.114
HIERARCH ESO ISS PBL23 START 55.577
HIERARCH ESO ISS PBL23 END 55.573
HIERARCH ESO ISS PBLA23 START 19.9
HIERARCH ESO ISS PBLA23 END 20.0
HIERARCH ESO ISS PBL24 START 69.525
HIERARCH ESO ISS PBL24 END 69.526
HIERARCH ESO ISS PBLA24 START 358.533
HIERARCH ESO ISS PBLA24 END 358.646
HIERARCH ESO ISS PBL34 START 26.899
HIERARCH ESO ISS PBL34 END 26.92
HIERARCH ESO ISS PBLA34 START 309.835
HIERARCH ESO ISS PBLA34 END 309.943
HIERARCH ESO ISS AMBI TAU0 START 0.004807
HIERARCH ESO ISS AMBI TAU0 END 0.004807
HIERARCH ESO ISS AMBI TEMP 14.94
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79