Exposure
ID
PIONI.2025-06-18T09:36:49.685_1
Header ID
PIONI.2025-06-18T09:36:49.685
Date updated
2025-06-18 09:45:48 UTC+0000
Release date
2025-06-18 09:36:49 UTC+0000
UTC Start
2025-06-18 09:36:49.686
UTC End
2025-06-18 09:37:15.286
MJD Start
60844.4005750637
MJD End
60844.40087136
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003161
Ambient temperature (°C)
5.08
Seeing (arcsec)
0.72
Observation
ID
68154
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
50662
Name
HD217884
RA
346.027462
DEC
-28.23827
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0000 90.0200 113.4000 113.5000
A0-J2 128.7080 128.7340 90.1000 90.2000
A0-K0 127.7330 127.7490 68.3300 68.4040
G1-J2 58.1910 58.1950 52.4000 52.5000
G1-K0 90.4700 90.4680 23.5340 23.6020
J2-K0 48.5090 48.5110 348.1020 348.1630
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 60844.4005750637
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD217884
RA 346.027462
DEC -28.23827
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.0
HIERARCH ESO ISS PBL12 END 90.02
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 128.708
HIERARCH ESO ISS PBL13 END 128.734
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 127.733
HIERARCH ESO ISS PBL14 END 127.749
HIERARCH ESO ISS PBLA14 START 68.33
HIERARCH ESO ISS PBLA14 END 68.404
HIERARCH ESO ISS PBL23 START 58.191
HIERARCH ESO ISS PBL23 END 58.195
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.5
HIERARCH ESO ISS PBL24 START 90.47
HIERARCH ESO ISS PBL24 END 90.468
HIERARCH ESO ISS PBLA24 START 23.534
HIERARCH ESO ISS PBLA24 END 23.602
HIERARCH ESO ISS PBL34 START 48.509
HIERARCH ESO ISS PBL34 END 48.511
HIERARCH ESO ISS PBLA34 START 348.102
HIERARCH ESO ISS PBLA34 END 348.163
HIERARCH ESO ISS AMBI TAU0 START 0.003161
HIERARCH ESO ISS AMBI TAU0 END 0.003161
HIERARCH ESO ISS AMBI TEMP 5.08
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72