Exposure
ID
PIONI.2025-05-31T04:30:12.993_1
Header ID
PIONI.2025-05-31T04:30:12.993
Date updated
2025-05-31 04:36:01 UTC+0000
Release date
2025-05-31 04:30:12 UTC+0000
UTC Start
2025-05-31 04:30:12.992
UTC End
2025-05-31 04:30:51.392
MJD Start
60826.1876503755
MJD End
60826.18809481994
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010896
Ambient temperature (°C)
14.6
Seeing (arcsec)
0.32
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 47.9010 47.8830 144.1000 144.2000
A0-J2 121.3620 121.5190 92.9000 92.9000
A0-J6 145.3440 145.4430 18.5560 18.6700
B5-J2 98.6700 98.8480 70.7000 70.7000
B5-J6 177.5310 177.5660 5.8770 5.9850
J2-J6 162.3300 162.2590 332.5050 332.5510
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 60826.1876503755
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 47.901
HIERARCH ESO ISS PBL12 END 47.883
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 144.2
HIERARCH ESO ISS PBL13 START 121.362
HIERARCH ESO ISS PBL13 END 121.519
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 145.344
HIERARCH ESO ISS PBL14 END 145.443
HIERARCH ESO ISS PBLA14 START 18.556
HIERARCH ESO ISS PBLA14 END 18.67
HIERARCH ESO ISS PBL23 START 98.67
HIERARCH ESO ISS PBL23 END 98.848
HIERARCH ESO ISS PBLA23 START 70.7
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 177.531
HIERARCH ESO ISS PBL24 END 177.566
HIERARCH ESO ISS PBLA24 START 5.877
HIERARCH ESO ISS PBLA24 END 5.985
HIERARCH ESO ISS PBL34 START 162.33
HIERARCH ESO ISS PBL34 END 162.259
HIERARCH ESO ISS PBLA34 START 332.505
HIERARCH ESO ISS PBLA34 END 332.551
HIERARCH ESO ISS AMBI TAU0 START 0.011534
HIERARCH ESO ISS AMBI TAU0 END 0.010258
HIERARCH ESO ISS AMBI TEMP 14.6
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32