Exposure
ID
PIONI.2025-05-31T04:14:34.688_1
Header ID
PIONI.2025-05-31T04:14:34.688
Date updated
2025-05-31 04:21:19 UTC+0000
Release date
2025-05-31 04:14:34 UTC+0000
UTC Start
2025-05-31 04:14:34.688
UTC End
2025-05-31 04:15:13.088
MJD Start
60826.1767903734
MJD End
60826.17723481784
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0113145
Ambient temperature (°C)
15.13
Seeing (arcsec)
0.345
Observation
ID
67671
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
50324
Name
HD159445
RA
263.65994
DEC
4.09918
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 47.4700 47.4470 143.6000 143.7000
A0-J2 121.1580 121.3170 94.3000 94.2000
A0-J6 139.7310 139.8430 19.0130 19.1320
B5-J2 97.1790 97.3680 72.5000 72.5000
B5-J6 171.2180 171.2570 5.8260 5.9380
J2-J6 159.9410 159.8540 331.9160 331.9600
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 60826.1767903734
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD159445
RA 263.65994
DEC 4.09918
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 47.47
HIERARCH ESO ISS PBL12 END 47.447
HIERARCH ESO ISS PBLA12 START 143.6
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 121.158
HIERARCH ESO ISS PBL13 END 121.317
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 139.731
HIERARCH ESO ISS PBL14 END 139.843
HIERARCH ESO ISS PBLA14 START 19.013
HIERARCH ESO ISS PBLA14 END 19.132
HIERARCH ESO ISS PBL23 START 97.179
HIERARCH ESO ISS PBL23 END 97.368
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 171.218
HIERARCH ESO ISS PBL24 END 171.257
HIERARCH ESO ISS PBLA24 START 5.826
HIERARCH ESO ISS PBLA24 END 5.938
HIERARCH ESO ISS PBL34 START 159.941
HIERARCH ESO ISS PBL34 END 159.854
HIERARCH ESO ISS PBLA34 START 331.916
HIERARCH ESO ISS PBLA34 END 331.96
HIERARCH ESO ISS AMBI TAU0 START 0.011686
HIERARCH ESO ISS AMBI TAU0 END 0.010943
HIERARCH ESO ISS AMBI TEMP 15.13
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.34