Exposure
ID
PIONI.2025-05-31T05:20:00.304_1
Header ID
PIONI.2025-05-31T05:20:00.304
Date updated
2025-05-31 05:26:40 UTC+0000
Release date
2025-05-31 05:20:00 UTC+0000
UTC Start
2025-05-31 05:20:00.304
UTC End
2025-05-31 05:20:38.704
MJD Start
60826.2222257447
MJD End
60826.22267018914
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013739999999999999
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.37
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 45.3960 45.4330 139.9000 140.0000
A0-J2 104.6530 104.8890 74.0000 74.1000
A0-J6 167.1760 167.1850 5.5600 5.6780
B5-J2 95.6090 95.7500 48.3000 48.4000
B5-J6 201.5530 201.5510 356.2970 356.3940
J2-J6 161.3460 161.4240 328.4670 328.5070
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 60826.2222257447
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 45.396
HIERARCH ESO ISS PBL12 END 45.433
HIERARCH ESO ISS PBLA12 START 139.9
HIERARCH ESO ISS PBLA12 END 140.0
HIERARCH ESO ISS PBL13 START 104.653
HIERARCH ESO ISS PBL13 END 104.889
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.1
HIERARCH ESO ISS PBL14 START 167.176
HIERARCH ESO ISS PBL14 END 167.185
HIERARCH ESO ISS PBLA14 START 5.56
HIERARCH ESO ISS PBLA14 END 5.678
HIERARCH ESO ISS PBL23 START 95.609
HIERARCH ESO ISS PBL23 END 95.75
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 201.553
HIERARCH ESO ISS PBL24 END 201.551
HIERARCH ESO ISS PBLA24 START 356.297
HIERARCH ESO ISS PBLA24 END 356.394
HIERARCH ESO ISS PBL34 START 161.346
HIERARCH ESO ISS PBL34 END 161.424
HIERARCH ESO ISS PBLA34 START 328.467
HIERARCH ESO ISS PBLA34 END 328.507
HIERARCH ESO ISS AMBI TAU0 START 0.012998
HIERARCH ESO ISS AMBI TAU0 END 0.014482
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37