Exposure
ID
PIONI.2025-06-01T05:25:39.274_1
Header ID
PIONI.2025-06-01T05:25:39.274
Date updated
2025-06-01 05:31:32 UTC+0000
Release date
2025-06-01 05:25:39 UTC+0000
UTC Start
2025-06-01 05:25:39.275
UTC End
2025-06-01 05:26:04.875
MJD Start
60827.2261490137
MJD End
60827.22644531
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010116
Ambient temperature (°C)
13.36
Seeing (arcsec)
0.52
Observation
ID
67661
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
50314
Name
HD165611
RA
271.927523
DEC
-21.86047
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 48.5940 48.5970 147.3000 147.4000
A0-J2 127.1170 127.1740 88.6000 88.7000
A0-J6 168.5330 168.5500 21.0410 21.1130
B5-J2 110.0370 110.0830 66.4000 66.5000
B5-J6 201.1420 201.1490 9.8120 9.8800
J2-J6 167.9340 167.9370 336.6480 336.7020
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 60827.2261490137
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD165611
RA 271.927523
DEC -21.86047
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.594
HIERARCH ESO ISS PBL12 END 48.597
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 127.117
HIERARCH ESO ISS PBL13 END 127.174
HIERARCH ESO ISS PBLA13 START 88.6
HIERARCH ESO ISS PBLA13 END 88.7
HIERARCH ESO ISS PBL14 START 168.533
HIERARCH ESO ISS PBL14 END 168.55
HIERARCH ESO ISS PBLA14 START 21.041
HIERARCH ESO ISS PBLA14 END 21.113
HIERARCH ESO ISS PBL23 START 110.037
HIERARCH ESO ISS PBL23 END 110.083
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 201.142
HIERARCH ESO ISS PBL24 END 201.149
HIERARCH ESO ISS PBLA24 START 9.812
HIERARCH ESO ISS PBLA24 END 9.88
HIERARCH ESO ISS PBL34 START 167.934
HIERARCH ESO ISS PBL34 END 167.937
HIERARCH ESO ISS PBLA34 START 336.648
HIERARCH ESO ISS PBLA34 END 336.702
HIERARCH ESO ISS AMBI TAU0 START 0.010116
HIERARCH ESO ISS AMBI TAU0 END 0.010116
HIERARCH ESO ISS AMBI TEMP 13.36
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52