Exposure
ID
PIONI.2025-05-31T05:04:59.233_1
Header ID
PIONI.2025-05-31T05:04:59.233
Date updated
2025-05-31 05:10:59 UTC+0000
Release date
2025-05-31 05:04:59 UTC+0000
UTC Start
2025-05-31 05:04:59.233
UTC End
2025-05-31 05:05:37.633
MJD Start
60826.2117966833
MJD End
60826.212241127745
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.016019
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.27
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 46.9690 46.9430 145.6000 145.7000
A0-J2 126.6850 126.7760 92.7000 92.7000
A0-J6 149.8740 149.9850 23.0960 23.1940
B5-J2 105.2530 105.3820 71.9000 71.9000
B5-J6 179.5580 179.6170 10.3560 10.4570
J2-J6 159.0420 158.9590 334.7880 334.8490
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 60826.2117966833
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 46.969
HIERARCH ESO ISS PBL12 END 46.943
HIERARCH ESO ISS PBLA12 START 145.6
HIERARCH ESO ISS PBLA12 END 145.7
HIERARCH ESO ISS PBL13 START 126.685
HIERARCH ESO ISS PBL13 END 126.776
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 149.874
HIERARCH ESO ISS PBL14 END 149.985
HIERARCH ESO ISS PBLA14 START 23.096
HIERARCH ESO ISS PBLA14 END 23.194
HIERARCH ESO ISS PBL23 START 105.253
HIERARCH ESO ISS PBL23 END 105.382
HIERARCH ESO ISS PBLA23 START 71.9
HIERARCH ESO ISS PBLA23 END 71.9
HIERARCH ESO ISS PBL24 START 179.558
HIERARCH ESO ISS PBL24 END 179.617
HIERARCH ESO ISS PBLA24 START 10.356
HIERARCH ESO ISS PBLA24 END 10.457
HIERARCH ESO ISS PBL34 START 159.042
HIERARCH ESO ISS PBL34 END 158.959
HIERARCH ESO ISS PBLA34 START 334.788
HIERARCH ESO ISS PBLA34 END 334.849
HIERARCH ESO ISS AMBI TAU0 START 0.016019
HIERARCH ESO ISS AMBI TAU0 END 0.016019
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27