Exposure
ID
PIONI.2025-05-31T04:50:56.518_1
Header ID
PIONI.2025-05-31T04:50:56.518
Date updated
2025-05-31 05:00:51 UTC+0000
Release date
2025-05-31 04:50:56 UTC+0000
UTC Start
2025-05-31 04:50:56.518
UTC End
2025-05-31 04:51:34.918
MJD Start
60826.2020430295
MJD End
60826.20248747394
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.01285
Ambient temperature (°C)
15.44
Seeing (arcsec)
0.28500000000000003
Observation
ID
67671
Category
calibrator
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
50324
Name
HD159445
RA
263.65994
DEC
4.09918
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 46.2780 46.2470 145.0000 145.1000
A0-J2 126.7330 126.8210 93.4000 93.4000
A0-J6 145.0900 145.2150 23.8550 23.9520
B5-J2 104.4710 104.6050 73.1000 73.1000
B5-J6 173.6160 173.6830 10.6710 10.7730
J2-J6 155.8320 155.7370 334.2000 334.2580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60826.2020430295
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD159445
RA 263.65994
DEC 4.09918
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
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.278
HIERARCH ESO ISS PBL12 END 46.247
HIERARCH ESO ISS PBLA12 START 145.0
HIERARCH ESO ISS PBLA12 END 145.1
HIERARCH ESO ISS PBL13 START 126.733
HIERARCH ESO ISS PBL13 END 126.821
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 145.09
HIERARCH ESO ISS PBL14 END 145.215
HIERARCH ESO ISS PBLA14 START 23.855
HIERARCH ESO ISS PBLA14 END 23.952
HIERARCH ESO ISS PBL23 START 104.471
HIERARCH ESO ISS PBL23 END 104.605
HIERARCH ESO ISS PBLA23 START 73.1
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 173.616
HIERARCH ESO ISS PBL24 END 173.683
HIERARCH ESO ISS PBLA24 START 10.671
HIERARCH ESO ISS PBLA24 END 10.773
HIERARCH ESO ISS PBL34 START 155.832
HIERARCH ESO ISS PBL34 END 155.737
HIERARCH ESO ISS PBLA34 START 334.2
HIERARCH ESO ISS PBLA34 END 334.258
HIERARCH ESO ISS AMBI TAU0 START 0.012623
HIERARCH ESO ISS AMBI TAU0 END 0.013077
HIERARCH ESO ISS AMBI TEMP 15.44
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.3