Exposure
ID
PIONI.2025-06-01T08:16:10.420_1
Header ID
PIONI.2025-06-01T08:16:10.420
Date updated
2025-06-01 08:26:40 UTC+0000
Release date
2025-06-01 08:16:10 UTC+0000
UTC Start
2025-06-01 08:16:10.420
UTC End
2025-06-01 08:16:36.020
MJD Start
60827.3445650456
MJD End
60827.344861341895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007667
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.32
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 47.9670 47.9760 147.3000 147.3000
A0-J2 127.6730 127.7180 87.7000 87.8000
A0-J6 169.6000 169.5960 21.5380 21.6110
B5-J2 111.3580 111.3820 65.9000 66.0000
B5-J6 201.4170 201.4110 10.3930 10.4610
J2-J6 166.0030 166.0260 336.8350 336.8930
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 60827.3445650456
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 47.967
HIERARCH ESO ISS PBL12 END 47.976
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 127.673
HIERARCH ESO ISS PBL13 END 127.718
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 169.6
HIERARCH ESO ISS PBL14 END 169.596
HIERARCH ESO ISS PBLA14 START 21.538
HIERARCH ESO ISS PBLA14 END 21.611
HIERARCH ESO ISS PBL23 START 111.358
HIERARCH ESO ISS PBL23 END 111.382
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 201.417
HIERARCH ESO ISS PBL24 END 201.411
HIERARCH ESO ISS PBLA24 START 10.393
HIERARCH ESO ISS PBLA24 END 10.461
HIERARCH ESO ISS PBL34 START 166.003
HIERARCH ESO ISS PBL34 END 166.026
HIERARCH ESO ISS PBLA34 START 336.835
HIERARCH ESO ISS PBLA34 END 336.893
HIERARCH ESO ISS AMBI TAU0 START 0.007667
HIERARCH ESO ISS AMBI TAU0 END 0.007667
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32