Exposure
ID
PIONI.2025-05-31T04:54:17.424_1
Header ID
PIONI.2025-05-31T04:54:17.424
Date updated
2025-05-31 05:00:51 UTC+0000
Release date
2025-05-31 04:54:17 UTC+0000
UTC Start
2025-05-31 04:54:17.424
UTC End
2025-05-31 04:54:55.824
MJD Start
60826.2043683296
MJD End
60826.20481277404
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013401
Ambient temperature (°C)
15.43
Seeing (arcsec)
0.3
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 46.1500 46.1200 145.2000 145.2000
A0-J2 127.0890 127.1700 93.4000 93.4000
A0-J6 145.6120 145.7370 24.2560 24.3510
B5-J2 105.0250 105.1540 73.2000 73.2000
B5-J6 173.9000 173.9690 11.0980 11.1990
J2-J6 155.4320 155.3360 334.4470 334.5060
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 60826.2043683296
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 46.15
HIERARCH ESO ISS PBL12 END 46.12
HIERARCH ESO ISS PBLA12 START 145.2
HIERARCH ESO ISS PBLA12 END 145.2
HIERARCH ESO ISS PBL13 START 127.089
HIERARCH ESO ISS PBL13 END 127.17
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 145.612
HIERARCH ESO ISS PBL14 END 145.737
HIERARCH ESO ISS PBLA14 START 24.256
HIERARCH ESO ISS PBLA14 END 24.351
HIERARCH ESO ISS PBL23 START 105.025
HIERARCH ESO ISS PBL23 END 105.154
HIERARCH ESO ISS PBLA23 START 73.2
HIERARCH ESO ISS PBLA23 END 73.2
HIERARCH ESO ISS PBL24 START 173.9
HIERARCH ESO ISS PBL24 END 173.969
HIERARCH ESO ISS PBLA24 START 11.098
HIERARCH ESO ISS PBLA24 END 11.199
HIERARCH ESO ISS PBL34 START 155.432
HIERARCH ESO ISS PBL34 END 155.336
HIERARCH ESO ISS PBLA34 START 334.447
HIERARCH ESO ISS PBLA34 END 334.506
HIERARCH ESO ISS AMBI TAU0 START 0.013401
HIERARCH ESO ISS AMBI TAU0 END 0.013401
HIERARCH ESO ISS AMBI TEMP 15.43
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3