Exposure
ID
PIONI.2025-05-31T06:25:45.005_1
Header ID
PIONI.2025-05-31T06:25:45.005
Date updated
2025-05-31 06:36:26 UTC+0000
Release date
2025-05-31 06:25:45 UTC+0000
UTC Start
2025-05-31 06:25:45.004
UTC End
2025-05-31 06:26:10.604
MJD Start
60826.2678819951
MJD End
60826.2681782914
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.016197000000000003
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.295
Observation
ID
67680
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
50333
Name
HD200718
RA
316.504408
DEC
-30.12551
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 43.7280 43.7610 138.2000 138.2000
A0-J2 104.7290 104.8900 69.3000 69.4000
A0-J6 169.0600 169.0630 4.4410 4.5280
B5-J2 97.8990 97.9850 44.6000 44.8000
B5-J6 201.7760 201.7770 355.4330 355.5030
J2-J6 156.4710 156.5460 327.1660 327.1980
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 60826.2678819951
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD200718
RA 316.504408
DEC -30.12551
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 43.728
HIERARCH ESO ISS PBL12 END 43.761
HIERARCH ESO ISS PBLA12 START 138.2
HIERARCH ESO ISS PBLA12 END 138.2
HIERARCH ESO ISS PBL13 START 104.729
HIERARCH ESO ISS PBL13 END 104.89
HIERARCH ESO ISS PBLA13 START 69.3
HIERARCH ESO ISS PBLA13 END 69.4
HIERARCH ESO ISS PBL14 START 169.06
HIERARCH ESO ISS PBL14 END 169.063
HIERARCH ESO ISS PBLA14 START 4.441
HIERARCH ESO ISS PBLA14 END 4.528
HIERARCH ESO ISS PBL23 START 97.899
HIERARCH ESO ISS PBL23 END 97.985
HIERARCH ESO ISS PBLA23 START 44.6
HIERARCH ESO ISS PBLA23 END 44.8
HIERARCH ESO ISS PBL24 START 201.776
HIERARCH ESO ISS PBL24 END 201.777
HIERARCH ESO ISS PBLA24 START 355.433
HIERARCH ESO ISS PBLA24 END 355.503
HIERARCH ESO ISS PBL34 START 156.471
HIERARCH ESO ISS PBL34 END 156.546
HIERARCH ESO ISS PBLA34 START 327.166
HIERARCH ESO ISS PBLA34 END 327.198
HIERARCH ESO ISS AMBI TAU0 START 0.016709
HIERARCH ESO ISS AMBI TAU0 END 0.015685
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.29