Exposure
ID
PIONI.2025-05-31T03:15:21.856_1
Header ID
PIONI.2025-05-31T03:15:21.856
Date updated
2025-05-31 03:21:51 UTC+0000
Release date
2025-05-31 03:15:21 UTC+0000
UTC Start
2025-05-31 03:15:21.856
UTC End
2025-05-31 03:15:47.456
MJD Start
60826.1356696314
MJD End
60826.1359659277
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008531
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.31
Observation
ID
67664
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
50317
Name
HD167724
RA
274.399635
DEC
-25.34188
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 43.8040 43.8370 138.9000 138.9000
A0-J2 95.7290 95.9210 68.7000 68.8000
A0-J6 167.1780 167.1790 1.2020 1.2900
B5-J2 90.7370 90.8400 41.7000 41.9000
B5-J6 201.7310 201.7290 352.7960 352.8650
J2-J6 157.7440 157.8180 327.0950 327.1170
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 60826.1356696314
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD167724
RA 274.399635
DEC -25.34188
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 43.804
HIERARCH ESO ISS PBL12 END 43.837
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 138.9
HIERARCH ESO ISS PBL13 START 95.729
HIERARCH ESO ISS PBL13 END 95.921
HIERARCH ESO ISS PBLA13 START 68.7
HIERARCH ESO ISS PBLA13 END 68.8
HIERARCH ESO ISS PBL14 START 167.178
HIERARCH ESO ISS PBL14 END 167.179
HIERARCH ESO ISS PBLA14 START 1.202
HIERARCH ESO ISS PBLA14 END 1.29
HIERARCH ESO ISS PBL23 START 90.737
HIERARCH ESO ISS PBL23 END 90.84
HIERARCH ESO ISS PBLA23 START 41.7
HIERARCH ESO ISS PBLA23 END 41.9
HIERARCH ESO ISS PBL24 START 201.731
HIERARCH ESO ISS PBL24 END 201.729
HIERARCH ESO ISS PBLA24 START 352.796
HIERARCH ESO ISS PBLA24 END 352.865
HIERARCH ESO ISS PBL34 START 157.744
HIERARCH ESO ISS PBL34 END 157.818
HIERARCH ESO ISS PBLA34 START 327.095
HIERARCH ESO ISS PBLA34 END 327.117
HIERARCH ESO ISS AMBI TAU0 START 0.008531
HIERARCH ESO ISS AMBI TAU0 END 0.008531
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31