Exposure
ID
PIONI.2025-03-02T05:50:27.841_1
Header ID
PIONI.2025-03-02T05:50:27.841
Date updated
2025-03-02 05:55:46 UTC+0000
Release date
2026-03-02 05:55:45 UTC+0000
UTC Start
2025-03-02 05:50:27.841
UTC End
2025-03-02 05:50:53.441
MJD Start
60736.2433777931
MJD End
60736.2436740894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003665
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.99
Observation
ID
64927
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
48356
Name
HIP69191
RA
212.475162
DEC
-53.43945
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 76.0960 76.1720 85.8000 85.9000
A0-J2 120.0780 120.1440 62.8000 62.9000
A0-K0 126.4700 126.4910 44.4760 44.6070
G1-J2 58.2160 58.2150 32.0000 32.1000
G1-K0 85.5780 85.5710 8.5510 8.6410
J2-K0 39.6630 39.6830 332.7770 332.8410
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 60736.2433777931
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP69191
RA 212.475162
DEC -53.43945
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 76.096
HIERARCH ESO ISS PBL12 END 76.172
HIERARCH ESO ISS PBLA12 START 85.8
HIERARCH ESO ISS PBLA12 END 85.9
HIERARCH ESO ISS PBL13 START 120.078
HIERARCH ESO ISS PBL13 END 120.144
HIERARCH ESO ISS PBLA13 START 62.8
HIERARCH ESO ISS PBLA13 END 62.9
HIERARCH ESO ISS PBL14 START 126.47
HIERARCH ESO ISS PBL14 END 126.491
HIERARCH ESO ISS PBLA14 START 44.476
HIERARCH ESO ISS PBLA14 END 44.607
HIERARCH ESO ISS PBL23 START 58.216
HIERARCH ESO ISS PBL23 END 58.215
HIERARCH ESO ISS PBLA23 START 32.0
HIERARCH ESO ISS PBLA23 END 32.1
HIERARCH ESO ISS PBL24 START 85.578
HIERARCH ESO ISS PBL24 END 85.571
HIERARCH ESO ISS PBLA24 START 8.551
HIERARCH ESO ISS PBLA24 END 8.641
HIERARCH ESO ISS PBL34 START 39.663
HIERARCH ESO ISS PBL34 END 39.683
HIERARCH ESO ISS PBLA34 START 332.777
HIERARCH ESO ISS PBLA34 END 332.841
HIERARCH ESO ISS AMBI TAU0 START 0.00339
HIERARCH ESO ISS AMBI TAU0 END 0.00394
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 0.93