Exposure
ID
PIONI.2025-01-01T07:41:34.424_1
Header ID
PIONI.2025-01-01T07:41:34.424
Date updated
2025-01-01 07:45:50 UTC+0000
Release date
2025-01-01 07:41:34 UTC+0000
UTC Start
2025-01-01 07:41:34.423
UTC End
2025-01-01 07:42:00.023
MJD Start
60676.3205373064
MJD End
60676.320833602695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003952499999999999
Ambient temperature (°C)
14.26
Seeing (arcsec)
0.87
Observation
ID
63046
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
46961
Name
HD91802
RA
159.00558
DEC
2.74759
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 46.6410 46.6200 145.2000 145.2000
A0-J2 126.5030 126.5720 93.2000 93.2000
A0-J6 146.8560 146.9440 23.3020 23.3750
B5-J2 104.4880 104.5880 72.6000 72.6000
B5-J6 176.0120 176.0580 10.3000 10.3760
J2-J6 157.4210 157.3550 334.3220 334.3660
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 60676.3205373064
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD91802
RA 159.00558
DEC 2.74759
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 46.641
HIERARCH ESO ISS PBL12 END 46.62
HIERARCH ESO ISS PBLA12 START 145.2
HIERARCH ESO ISS PBLA12 END 145.2
HIERARCH ESO ISS PBL13 START 126.503
HIERARCH ESO ISS PBL13 END 126.572
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 146.856
HIERARCH ESO ISS PBL14 END 146.944
HIERARCH ESO ISS PBLA14 START 23.302
HIERARCH ESO ISS PBLA14 END 23.375
HIERARCH ESO ISS PBL23 START 104.488
HIERARCH ESO ISS PBL23 END 104.588
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 176.012
HIERARCH ESO ISS PBL24 END 176.058
HIERARCH ESO ISS PBLA24 START 10.3
HIERARCH ESO ISS PBLA24 END 10.376
HIERARCH ESO ISS PBL34 START 157.421
HIERARCH ESO ISS PBL34 END 157.355
HIERARCH ESO ISS PBLA34 START 334.322
HIERARCH ESO ISS PBLA34 END 334.366
HIERARCH ESO ISS AMBI TAU0 START 0.003667
HIERARCH ESO ISS AMBI TAU0 END 0.004238
HIERARCH ESO ISS AMBI TEMP 14.26
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.85