Exposure
ID
PIONI.2025-06-18T09:35:34.218_1
Header ID
PIONI.2025-06-18T09:35:34.218
Date updated
2025-06-18 09:40:52 UTC+0000
Release date
2025-06-18 09:35:34 UTC+0000
UTC Start
2025-06-18 09:35:34.219
UTC End
2025-06-18 09:35:59.819
MJD Start
60844.3997016042
MJD End
60844.399997900495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002519
Ambient temperature (°C)
5.17
Seeing (arcsec)
0.89
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 89.9570 89.9780 113.3000 113.4000
A0-J2 128.6500 128.6780 90.0000 90.1000
A0-K0 127.6960 127.7140 68.1770 68.2510
G1-J2 58.1830 58.1870 52.3000 52.4000
G1-K0 90.4730 90.4710 23.3910 23.4600
J2-K0 48.5050 48.5070 347.9760 348.0370
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 60844.3997016042
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 89.957
HIERARCH ESO ISS PBL12 END 89.978
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.65
HIERARCH ESO ISS PBL13 END 128.678
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 127.696
HIERARCH ESO ISS PBL14 END 127.714
HIERARCH ESO ISS PBLA14 START 68.177
HIERARCH ESO ISS PBLA14 END 68.251
HIERARCH ESO ISS PBL23 START 58.183
HIERARCH ESO ISS PBL23 END 58.187
HIERARCH ESO ISS PBLA23 START 52.3
HIERARCH ESO ISS PBLA23 END 52.4
HIERARCH ESO ISS PBL24 START 90.473
HIERARCH ESO ISS PBL24 END 90.471
HIERARCH ESO ISS PBLA24 START 23.391
HIERARCH ESO ISS PBLA24 END 23.46
HIERARCH ESO ISS PBL34 START 48.505
HIERARCH ESO ISS PBL34 END 48.507
HIERARCH ESO ISS PBLA34 START 347.976
HIERARCH ESO ISS PBLA34 END 348.037
HIERARCH ESO ISS AMBI TAU0 START 0.002519
HIERARCH ESO ISS AMBI TAU0 END 0.002519
HIERARCH ESO ISS AMBI TEMP 5.17
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89