Exposure
ID
PIONI.2025-01-04T04:33:00.171_1
Header ID
PIONI.2025-01-04T04:33:00.171
Date updated
2025-01-04 04:35:39 UTC+0000
Release date
2026-01-04 04:35:39 UTC+0000
UTC Start
2025-01-04 04:33:00.171
UTC End
2025-01-04 04:33:25.771
MJD Start
60679.1895853071
MJD End
60679.18988160339
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004403
Ambient temperature (°C)
11.54
Seeing (arcsec)
0.73
Observation
ID
63072
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46987
Name
HIP50799
RA
155.580655
DEC
-41.64963
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 36.6060 36.6540 130.0000 130.0000
A0-J2 101.0910 101.2120 50.6000 50.7000
A0-J6 168.5620 168.5640 357.4320 357.5190
B5-J2 100.9620 101.0090 29.7000 29.9000
B5-J6 195.1790 195.1970 349.4900 349.5610
J2-J6 134.9100 135.0340 320.5880 320.6240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60679.1895853071
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP50799
RA 155.580655
DEC -41.64963
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
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 36.606
HIERARCH ESO ISS PBL12 END 36.654
HIERARCH ESO ISS PBLA12 START 130.0
HIERARCH ESO ISS PBLA12 END 130.0
HIERARCH ESO ISS PBL13 START 101.091
HIERARCH ESO ISS PBL13 END 101.212
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 50.7
HIERARCH ESO ISS PBL14 START 168.562
HIERARCH ESO ISS PBL14 END 168.564
HIERARCH ESO ISS PBLA14 START 357.432
HIERARCH ESO ISS PBLA14 END 357.519
HIERARCH ESO ISS PBL23 START 100.962
HIERARCH ESO ISS PBL23 END 101.009
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 195.179
HIERARCH ESO ISS PBL24 END 195.197
HIERARCH ESO ISS PBLA24 START 349.49
HIERARCH ESO ISS PBLA24 END 349.561
HIERARCH ESO ISS PBL34 START 134.91
HIERARCH ESO ISS PBL34 END 135.034
HIERARCH ESO ISS PBLA34 START 320.588
HIERARCH ESO ISS PBLA34 END 320.624
HIERARCH ESO ISS AMBI TAU0 START 0.004403
HIERARCH ESO ISS AMBI TAU0 END 0.004403
HIERARCH ESO ISS AMBI TEMP 11.54
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73