Exposure
ID
PIONI.2025-06-01T08:14:17.389_1
Header ID
PIONI.2025-06-01T08:14:17.389
Date updated
2025-06-01 08:26:40 UTC+0000
Release date
2025-06-01 08:14:17 UTC+0000
UTC Start
2025-06-01 08:14:17.389
UTC End
2025-06-01 08:14:42.989
MJD Start
60827.3432568167
MJD End
60827.343553112994
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0066165
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.39
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 47.9350 47.9450 147.1000 147.2000
A0-J2 127.5280 127.5750 87.4000 87.5000
A0-J6 169.6140 169.6100 21.3040 21.3770
B5-J2 111.2790 111.3050 65.6000 65.7000
B5-J6 201.4340 201.4290 10.1740 10.2420
J2-J6 165.9310 165.9540 336.6470 336.7050
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 60827.3432568167
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 47.935
HIERARCH ESO ISS PBL12 END 47.945
HIERARCH ESO ISS PBLA12 START 147.1
HIERARCH ESO ISS PBLA12 END 147.2
HIERARCH ESO ISS PBL13 START 127.528
HIERARCH ESO ISS PBL13 END 127.575
HIERARCH ESO ISS PBLA13 START 87.4
HIERARCH ESO ISS PBLA13 END 87.5
HIERARCH ESO ISS PBL14 START 169.614
HIERARCH ESO ISS PBL14 END 169.61
HIERARCH ESO ISS PBLA14 START 21.304
HIERARCH ESO ISS PBLA14 END 21.377
HIERARCH ESO ISS PBL23 START 111.279
HIERARCH ESO ISS PBL23 END 111.305
HIERARCH ESO ISS PBLA23 START 65.6
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 201.434
HIERARCH ESO ISS PBL24 END 201.429
HIERARCH ESO ISS PBLA24 START 10.174
HIERARCH ESO ISS PBLA24 END 10.242
HIERARCH ESO ISS PBL34 START 165.931
HIERARCH ESO ISS PBL34 END 165.954
HIERARCH ESO ISS PBLA34 START 336.647
HIERARCH ESO ISS PBLA34 END 336.705
HIERARCH ESO ISS AMBI TAU0 START 0.006931
HIERARCH ESO ISS AMBI TAU0 END 0.006302
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.41