Exposure
ID
PIONI.2024-11-27T05:31:23.213_1
Header ID
PIONI.2024-11-27T05:31:23.213
Date updated
2024-11-27 05:40:41 UTC+0000
Release date
2025-11-27 05:40:40 UTC+0000
UTC Start
2024-11-27 05:31:23.213
UTC End
2024-11-27 05:31:48.813
MJD Start
60641.2301297751
MJD End
60641.2304260714
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.01187
Ambient temperature (°C)
14.57
Seeing (arcsec)
0.38
Observation
ID
62045
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
46143
Name
HIP45439
RA
138.901737
DEC
-38.57
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 35.7270 35.7780 130.9000 130.9000
A0-J2 92.8380 92.9700 45.9000 46.1000
A0-J6 169.3040 169.3070 353.9310 354.0170
B5-J2 96.4720 96.5200 24.3000 24.5000
B5-J6 196.9210 196.9410 346.8150 346.8840
J2-J6 133.9280 134.0590 320.8190 320.8440
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 60641.2301297751
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP45439
RA 138.901737
DEC -38.57
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 35.727
HIERARCH ESO ISS PBL12 END 35.778
HIERARCH ESO ISS PBLA12 START 130.9
HIERARCH ESO ISS PBLA12 END 130.9
HIERARCH ESO ISS PBL13 START 92.838
HIERARCH ESO ISS PBL13 END 92.97
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 46.1
HIERARCH ESO ISS PBL14 START 169.304
HIERARCH ESO ISS PBL14 END 169.307
HIERARCH ESO ISS PBLA14 START 353.931
HIERARCH ESO ISS PBLA14 END 354.017
HIERARCH ESO ISS PBL23 START 96.472
HIERARCH ESO ISS PBL23 END 96.52
HIERARCH ESO ISS PBLA23 START 24.3
HIERARCH ESO ISS PBLA23 END 24.5
HIERARCH ESO ISS PBL24 START 196.921
HIERARCH ESO ISS PBL24 END 196.941
HIERARCH ESO ISS PBLA24 START 346.815
HIERARCH ESO ISS PBLA24 END 346.884
HIERARCH ESO ISS PBL34 START 133.928
HIERARCH ESO ISS PBL34 END 134.059
HIERARCH ESO ISS PBLA34 START 320.819
HIERARCH ESO ISS PBLA34 END 320.844
HIERARCH ESO ISS AMBI TAU0 START 0.011863
HIERARCH ESO ISS AMBI TAU0 END 0.011877
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.37