Exposure
ID
PIONI.2025-01-02T06:38:30.326_1
Header ID
PIONI.2025-01-02T06:38:30.326
Date updated
2025-01-02 06:45:47 UTC+0000
Release date
2025-01-02 06:38:30 UTC+0000
UTC Start
2025-01-02 06:38:30.326
UTC End
2025-01-02 06:38:55.926
MJD Start
60677.2767398851
MJD End
60677.2770361814
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010735
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.435
Observation
ID
63071
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
46986
Name
HD87477
RA
151.096343
DEC
-39.97586
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 45.0910 45.1140 141.8000 141.9000
A0-J2 124.2480 124.3180 79.6000 79.7000
A0-J6 167.9700 167.9560 16.7010 16.7820
B5-J2 110.6490 110.6780 58.5000 58.6000
B5-J6 197.3840 197.3750 5.9320 6.0040
J2-J6 157.0120 157.0690 331.9060 331.9640
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 60677.2767398851
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87477
RA 151.096343
DEC -39.97586
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 45.091
HIERARCH ESO ISS PBL12 END 45.114
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 124.248
HIERARCH ESO ISS PBL13 END 124.318
HIERARCH ESO ISS PBLA13 START 79.6
HIERARCH ESO ISS PBLA13 END 79.7
HIERARCH ESO ISS PBL14 START 167.97
HIERARCH ESO ISS PBL14 END 167.956
HIERARCH ESO ISS PBLA14 START 16.701
HIERARCH ESO ISS PBLA14 END 16.782
HIERARCH ESO ISS PBL23 START 110.649
HIERARCH ESO ISS PBL23 END 110.678
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 197.384
HIERARCH ESO ISS PBL24 END 197.375
HIERARCH ESO ISS PBLA24 START 5.932
HIERARCH ESO ISS PBLA24 END 6.004
HIERARCH ESO ISS PBL34 START 157.012
HIERARCH ESO ISS PBL34 END 157.069
HIERARCH ESO ISS PBLA34 START 331.906
HIERARCH ESO ISS PBLA34 END 331.964
HIERARCH ESO ISS AMBI TAU0 START 0.010735
HIERARCH ESO ISS AMBI TAU0 END 0.010735
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.42