Exposure
ID
PIONI.2025-01-02T04:07:34.094_1
Header ID
PIONI.2025-01-02T04:07:34.094
Date updated
2025-01-02 04:15:48 UTC+0000
Release date
2026-01-02 04:15:48 UTC+0000
UTC Start
2025-01-02 04:07:34.094
UTC End
2025-01-02 04:07:59.694
MJD Start
60677.1719223876
MJD End
60677.172218683896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0078315
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.52
Observation
ID
63061
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46976
Name
HIP50234
RA
153.836075
DEC
-36.51767
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 36.3270 36.3780 132.2000 132.2000
A0-J2 90.1550 90.2980 46.8000 47.0000
A0-J6 169.5990 169.6010 353.6580 353.7430
B5-J2 94.4170 94.4690 24.3000 24.4000
B5-J6 198.2780 198.2960 346.6890 346.7560
J2-J6 136.2570 136.3850 321.6800 321.7020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60677.1719223876
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP50234
RA 153.836075
DEC -36.51767
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 36.327
HIERARCH ESO ISS PBL12 END 36.378
HIERARCH ESO ISS PBLA12 START 132.2
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 90.155
HIERARCH ESO ISS PBL13 END 90.298
HIERARCH ESO ISS PBLA13 START 46.8
HIERARCH ESO ISS PBLA13 END 47.0
HIERARCH ESO ISS PBL14 START 169.599
HIERARCH ESO ISS PBL14 END 169.601
HIERARCH ESO ISS PBLA14 START 353.658
HIERARCH ESO ISS PBLA14 END 353.743
HIERARCH ESO ISS PBL23 START 94.417
HIERARCH ESO ISS PBL23 END 94.469
HIERARCH ESO ISS PBLA23 START 24.3
HIERARCH ESO ISS PBLA23 END 24.4
HIERARCH ESO ISS PBL24 START 198.278
HIERARCH ESO ISS PBL24 END 198.296
HIERARCH ESO ISS PBLA24 START 346.689
HIERARCH ESO ISS PBLA24 END 346.756
HIERARCH ESO ISS PBL34 START 136.257
HIERARCH ESO ISS PBL34 END 136.385
HIERARCH ESO ISS PBLA34 START 321.68
HIERARCH ESO ISS PBLA34 END 321.702
HIERARCH ESO ISS AMBI TAU0 START 0.007708
HIERARCH ESO ISS AMBI TAU0 END 0.007955
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.55