Exposure
ID
PIONI.2025-05-31T05:18:19.610_1
Header ID
PIONI.2025-05-31T05:18:19.610
Date updated
2025-05-31 05:26:40 UTC+0000
Release date
2025-05-31 05:18:19 UTC+0000
UTC Start
2025-05-31 05:18:19.610
UTC End
2025-05-31 05:18:58.010
MJD Start
60826.2210602956
MJD End
60826.22150474004
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.012998
Ambient temperature (°C)
15.25
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 45.3210 45.3570 139.9000 139.9000
A0-J2 104.1700 104.4020 73.7000 73.9000
A0-J6 167.1580 167.1660 5.3180 5.4340
B5-J2 95.3210 95.4600 48.0000 48.1000
B5-J6 201.5580 201.5560 356.0990 356.1940
J2-J6 161.1830 161.2610 328.3850 328.4240
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 60826.2210602956
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 45.321
HIERARCH ESO ISS PBL12 END 45.357
HIERARCH ESO ISS PBLA12 START 139.9
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 104.17
HIERARCH ESO ISS PBL13 END 104.402
HIERARCH ESO ISS PBLA13 START 73.7
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 167.158
HIERARCH ESO ISS PBL14 END 167.166
HIERARCH ESO ISS PBLA14 START 5.318
HIERARCH ESO ISS PBLA14 END 5.434
HIERARCH ESO ISS PBL23 START 95.321
HIERARCH ESO ISS PBL23 END 95.46
HIERARCH ESO ISS PBLA23 START 48.0
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 201.558
HIERARCH ESO ISS PBL24 END 201.556
HIERARCH ESO ISS PBLA24 START 356.099
HIERARCH ESO ISS PBLA24 END 356.194
HIERARCH ESO ISS PBL34 START 161.183
HIERARCH ESO ISS PBL34 END 161.261
HIERARCH ESO ISS PBLA34 START 328.385
HIERARCH ESO ISS PBLA34 END 328.424
HIERARCH ESO ISS AMBI TAU0 START 0.012998
HIERARCH ESO ISS AMBI TAU0 END 0.012998
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37