Exposure
ID
PIONI.2025-05-31T05:20:50.711_1
Header ID
PIONI.2025-05-31T05:20:50.711
Date updated
2025-05-31 05:26:40 UTC+0000
Release date
2025-05-31 05:20:50 UTC+0000
UTC Start
2025-05-31 05:20:50.710
UTC End
2025-05-31 05:21:29.110
MJD Start
60826.222809148
MJD End
60826.22325359244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.014072000000000001
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.36
Observation
ID
67673
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
50326
Name
HD187803
RA
298.179436
DEC
-24.9949
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 45.4340 45.4690 140.0000 140.0000
A0-J2 104.8990 105.1290 74.1000 74.2000
A0-J6 167.1850 167.1950 5.6830 5.7990
B5-J2 95.7560 95.8940 48.5000 48.6000
B5-J6 201.5510 201.5480 356.3980 356.4930
J2-J6 161.4280 161.5040 328.5090 328.5490
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 60826.222809148
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD187803
RA 298.179436
DEC -24.9949
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 45.434
HIERARCH ESO ISS PBL12 END 45.469
HIERARCH ESO ISS PBLA12 START 140.0
HIERARCH ESO ISS PBLA12 END 140.0
HIERARCH ESO ISS PBL13 START 104.899
HIERARCH ESO ISS PBL13 END 105.129
HIERARCH ESO ISS PBLA13 START 74.1
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 167.185
HIERARCH ESO ISS PBL14 END 167.195
HIERARCH ESO ISS PBLA14 START 5.683
HIERARCH ESO ISS PBLA14 END 5.799
HIERARCH ESO ISS PBL23 START 95.756
HIERARCH ESO ISS PBL23 END 95.894
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 201.551
HIERARCH ESO ISS PBL24 END 201.548
HIERARCH ESO ISS PBLA24 START 356.398
HIERARCH ESO ISS PBLA24 END 356.493
HIERARCH ESO ISS PBL34 START 161.428
HIERARCH ESO ISS PBL34 END 161.504
HIERARCH ESO ISS PBLA34 START 328.509
HIERARCH ESO ISS PBLA34 END 328.549
HIERARCH ESO ISS AMBI TAU0 START 0.014482
HIERARCH ESO ISS AMBI TAU0 END 0.013662
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.35