Exposure
ID
PIONI.2025-06-01T08:13:39.686_1
Header ID
PIONI.2025-06-01T08:13:39.686
Date updated
2025-06-01 08:26:40 UTC+0000
Release date
2025-06-01 08:13:39 UTC+0000
UTC Start
2025-06-01 08:13:39.686
UTC End
2025-06-01 08:14:05.286
MJD Start
60827.3428204362
MJD End
60827.343116732496
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006931
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.37
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 47.9240 47.9340 147.0000 147.1000
A0-J2 127.4780 127.5250 87.4000 87.4000
A0-J6 169.6190 169.6150 21.2270 21.3000
B5-J2 111.2520 111.2780 65.5000 65.6000
B5-J6 201.4400 201.4350 10.1020 10.1700
J2-J6 165.9060 165.9290 336.5860 336.6440
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 60827.3428204362
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 47.924
HIERARCH ESO ISS PBL12 END 47.934
HIERARCH ESO ISS PBLA12 START 147.0
HIERARCH ESO ISS PBLA12 END 147.1
HIERARCH ESO ISS PBL13 START 127.478
HIERARCH ESO ISS PBL13 END 127.525
HIERARCH ESO ISS PBLA13 START 87.4
HIERARCH ESO ISS PBLA13 END 87.4
HIERARCH ESO ISS PBL14 START 169.619
HIERARCH ESO ISS PBL14 END 169.615
HIERARCH ESO ISS PBLA14 START 21.227
HIERARCH ESO ISS PBLA14 END 21.3
HIERARCH ESO ISS PBL23 START 111.252
HIERARCH ESO ISS PBL23 END 111.278
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 201.44
HIERARCH ESO ISS PBL24 END 201.435
HIERARCH ESO ISS PBLA24 START 10.102
HIERARCH ESO ISS PBLA24 END 10.17
HIERARCH ESO ISS PBL34 START 165.906
HIERARCH ESO ISS PBL34 END 165.929
HIERARCH ESO ISS PBLA34 START 336.586
HIERARCH ESO ISS PBLA34 END 336.644
HIERARCH ESO ISS AMBI TAU0 START 0.006931
HIERARCH ESO ISS AMBI TAU0 END 0.006931
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37