Exposure
ID
PIONI.2025-05-31T06:13:35.425_1
Header ID
PIONI.2025-05-31T06:13:35.425
Date updated
2025-05-31 06:26:25 UTC+0000
Release date
2025-05-31 06:13:35 UTC+0000
UTC Start
2025-05-31 06:13:35.425
UTC End
2025-05-31 06:14:01.025
MJD Start
60826.2594377943
MJD End
60826.2597340906
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015318
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.36
Observation
ID
67679
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
50332
Name
HD198751
RA
313.353582
DEC
-30.71905
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 43.5830 43.6140 138.0000 138.0000
A0-J2 105.1160 105.2700 68.9000 69.0000
A0-J6 169.2050 169.2070 4.4940 4.5780
B5-J2 98.3570 98.4390 44.5000 44.6000
B5-J6 201.6960 201.6970 355.4780 355.5470
J2-J6 155.9790 156.0540 327.0590 327.0910
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 60826.2594377943
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD198751
RA 313.353582
DEC -30.71905
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 43.583
HIERARCH ESO ISS PBL12 END 43.614
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.0
HIERARCH ESO ISS PBL13 START 105.116
HIERARCH ESO ISS PBL13 END 105.27
HIERARCH ESO ISS PBLA13 START 68.9
HIERARCH ESO ISS PBLA13 END 69.0
HIERARCH ESO ISS PBL14 START 169.205
HIERARCH ESO ISS PBL14 END 169.207
HIERARCH ESO ISS PBLA14 START 4.494
HIERARCH ESO ISS PBLA14 END 4.578
HIERARCH ESO ISS PBL23 START 98.357
HIERARCH ESO ISS PBL23 END 98.439
HIERARCH ESO ISS PBLA23 START 44.5
HIERARCH ESO ISS PBLA23 END 44.6
HIERARCH ESO ISS PBL24 START 201.696
HIERARCH ESO ISS PBL24 END 201.697
HIERARCH ESO ISS PBLA24 START 355.478
HIERARCH ESO ISS PBLA24 END 355.547
HIERARCH ESO ISS PBL34 START 155.979
HIERARCH ESO ISS PBL34 END 156.054
HIERARCH ESO ISS PBLA34 START 327.059
HIERARCH ESO ISS PBLA34 END 327.091
HIERARCH ESO ISS AMBI TAU0 START 0.015318
HIERARCH ESO ISS AMBI TAU0 END 0.015318
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36