Exposure
ID
PIONI.2025-06-01T05:49:18.829_1
Header ID
PIONI.2025-06-01T05:49:18.829
Date updated
2025-06-01 06:12:05 UTC+0000
Release date
2025-06-01 05:49:18 UTC+0000
UTC Start
2025-06-01 05:49:18.829
UTC End
2025-06-01 05:49:44.429
MJD Start
60827.2425790359
MJD End
60827.242875332195
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010288499999999999
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.35
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 48.5270 48.5320 148.4000 148.5000
A0-J2 128.2250 128.2630 89.4000 89.5000
A0-J6 169.5550 169.5610 22.5500 22.6190
B5-J2 111.2800 111.3080 67.5000 67.6000
B5-J6 201.8600 201.8620 11.3180 11.3840
J2-J6 167.7130 167.7210 337.8650 337.9220
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 60827.2425790359
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 48.527
HIERARCH ESO ISS PBL12 END 48.532
HIERARCH ESO ISS PBLA12 START 148.4
HIERARCH ESO ISS PBLA12 END 148.5
HIERARCH ESO ISS PBL13 START 128.225
HIERARCH ESO ISS PBL13 END 128.263
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 169.555
HIERARCH ESO ISS PBL14 END 169.561
HIERARCH ESO ISS PBLA14 START 22.55
HIERARCH ESO ISS PBLA14 END 22.619
HIERARCH ESO ISS PBL23 START 111.28
HIERARCH ESO ISS PBL23 END 111.308
HIERARCH ESO ISS PBLA23 START 67.5
HIERARCH ESO ISS PBLA23 END 67.6
HIERARCH ESO ISS PBL24 START 201.86
HIERARCH ESO ISS PBL24 END 201.862
HIERARCH ESO ISS PBLA24 START 11.318
HIERARCH ESO ISS PBLA24 END 11.384
HIERARCH ESO ISS PBL34 START 167.713
HIERARCH ESO ISS PBL34 END 167.721
HIERARCH ESO ISS PBLA34 START 337.865
HIERARCH ESO ISS PBLA34 END 337.922
HIERARCH ESO ISS AMBI TAU0 START 0.010794
HIERARCH ESO ISS AMBI TAU0 END 0.009783
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.32