Exposure
ID
PIONI.2025-05-31T04:31:03.131_1
Header ID
PIONI.2025-05-31T04:31:03.131
Date updated
2025-05-31 04:36:01 UTC+0000
Release date
2025-05-31 04:31:03 UTC+0000
UTC Start
2025-05-31 04:31:03.131
UTC End
2025-05-31 04:31:41.531
MJD Start
60826.188230684
MJD End
60826.18867512844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010258
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.325
Observation
ID
67672
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
50325
Name
HD161943
RA
267.08702
DEC
0.56
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 47.8820 47.8640 144.2000 144.2000
A0-J2 121.5230 121.6790 92.9000 92.9000
A0-J6 145.4450 145.5460 18.6730 18.7870
B5-J2 98.8520 99.0290 70.7000 70.8000
B5-J6 177.5670 177.6030 5.9870 6.0950
J2-J6 162.2570 162.1860 332.5520 332.5990
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 60826.188230684
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD161943
RA 267.08702
DEC 0.56
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 47.882
HIERARCH ESO ISS PBL12 END 47.864
HIERARCH ESO ISS PBLA12 START 144.2
HIERARCH ESO ISS PBLA12 END 144.2
HIERARCH ESO ISS PBL13 START 121.523
HIERARCH ESO ISS PBL13 END 121.679
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 145.445
HIERARCH ESO ISS PBL14 END 145.546
HIERARCH ESO ISS PBLA14 START 18.673
HIERARCH ESO ISS PBLA14 END 18.787
HIERARCH ESO ISS PBL23 START 98.852
HIERARCH ESO ISS PBL23 END 99.029
HIERARCH ESO ISS PBLA23 START 70.7
HIERARCH ESO ISS PBLA23 END 70.8
HIERARCH ESO ISS PBL24 START 177.567
HIERARCH ESO ISS PBL24 END 177.603
HIERARCH ESO ISS PBLA24 START 5.987
HIERARCH ESO ISS PBLA24 END 6.095
HIERARCH ESO ISS PBL34 START 162.257
HIERARCH ESO ISS PBL34 END 162.186
HIERARCH ESO ISS PBLA34 START 332.552
HIERARCH ESO ISS PBLA34 END 332.599
HIERARCH ESO ISS AMBI TAU0 START 0.010258
HIERARCH ESO ISS AMBI TAU0 END 0.010258
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.33