Exposure
ID
PIONI.2025-05-31T03:15:59.667_1
Header ID
PIONI.2025-05-31T03:15:59.667
Date updated
2025-05-31 03:21:51 UTC+0000
Release date
2025-05-31 03:15:59 UTC+0000
UTC Start
2025-05-31 03:15:59.668
UTC End
2025-05-31 03:16:25.268
MJD Start
60826.1361072636
MJD End
60826.136403559896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0078395
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.325
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 43.8390 43.8720 138.9000 138.9000
A0-J2 95.9310 96.1230 68.9000 69.0000
A0-J6 167.1790 167.1810 1.2940 1.3820
B5-J2 90.8460 90.9500 41.9000 42.0000
B5-J6 201.7290 201.7260 352.8690 352.9390
J2-J6 157.8220 157.8960 327.1190 327.1410
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 60826.1361072636
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 43.839
HIERARCH ESO ISS PBL12 END 43.872
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 138.9
HIERARCH ESO ISS PBL13 START 95.931
HIERARCH ESO ISS PBL13 END 96.123
HIERARCH ESO ISS PBLA13 START 68.9
HIERARCH ESO ISS PBLA13 END 69.0
HIERARCH ESO ISS PBL14 START 167.179
HIERARCH ESO ISS PBL14 END 167.181
HIERARCH ESO ISS PBLA14 START 1.294
HIERARCH ESO ISS PBLA14 END 1.382
HIERARCH ESO ISS PBL23 START 90.846
HIERARCH ESO ISS PBL23 END 90.95
HIERARCH ESO ISS PBLA23 START 41.9
HIERARCH ESO ISS PBLA23 END 42.0
HIERARCH ESO ISS PBL24 START 201.729
HIERARCH ESO ISS PBL24 END 201.726
HIERARCH ESO ISS PBLA24 START 352.869
HIERARCH ESO ISS PBLA24 END 352.939
HIERARCH ESO ISS PBL34 START 157.822
HIERARCH ESO ISS PBL34 END 157.896
HIERARCH ESO ISS PBLA34 START 327.119
HIERARCH ESO ISS PBLA34 END 327.141
HIERARCH ESO ISS AMBI TAU0 START 0.008531
HIERARCH ESO ISS AMBI TAU0 END 0.007148
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.34