Exposure
ID
PIONI.2025-01-02T03:17:36.481_1
Header ID
PIONI.2025-01-02T03:17:36.481
Date updated
2025-01-02 03:25:33 UTC+0000
Release date
2025-01-02 03:17:36 UTC+0000
UTC Start
2025-01-02 03:17:36.481
UTC End
2025-01-02 03:18:02.081
MJD Start
60677.1372277858
MJD End
60677.1375240821
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006697
Ambient temperature (°C)
13.47
Seeing (arcsec)
0.755
Observation
ID
63059
Category
calibrator
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
46974
Name
HD81841
RA
141.808134
DEC
-33.79157
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 37.2070 37.2560 133.9000 133.9000
A0-J2 86.6370 86.7930 48.4000 48.6000
A0-J6 169.6770 169.6760 353.3840 353.4690
B5-J2 91.5210 91.5800 24.5000 24.7000
B5-J6 199.7850 199.8000 346.5800 346.6460
J2-J6 139.4790 139.6020 322.7850 322.8020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60677.1372277858
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD81841
RA 141.808134
DEC -33.79157
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 37.207
HIERARCH ESO ISS PBL12 END 37.256
HIERARCH ESO ISS PBLA12 START 133.9
HIERARCH ESO ISS PBLA12 END 133.9
HIERARCH ESO ISS PBL13 START 86.637
HIERARCH ESO ISS PBL13 END 86.793
HIERARCH ESO ISS PBLA13 START 48.4
HIERARCH ESO ISS PBLA13 END 48.6
HIERARCH ESO ISS PBL14 START 169.677
HIERARCH ESO ISS PBL14 END 169.676
HIERARCH ESO ISS PBLA14 START 353.384
HIERARCH ESO ISS PBLA14 END 353.469
HIERARCH ESO ISS PBL23 START 91.521
HIERARCH ESO ISS PBL23 END 91.58
HIERARCH ESO ISS PBLA23 START 24.5
HIERARCH ESO ISS PBLA23 END 24.7
HIERARCH ESO ISS PBL24 START 199.785
HIERARCH ESO ISS PBL24 END 199.8
HIERARCH ESO ISS PBLA24 START 346.58
HIERARCH ESO ISS PBLA24 END 346.646
HIERARCH ESO ISS PBL34 START 139.479
HIERARCH ESO ISS PBL34 END 139.602
HIERARCH ESO ISS PBLA34 START 322.785
HIERARCH ESO ISS PBLA34 END 322.802
HIERARCH ESO ISS AMBI TAU0 START 0.005454
HIERARCH ESO ISS AMBI TAU0 END 0.00794
HIERARCH ESO ISS AMBI TEMP 13.47
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.58