Exposure
ID
PIONI.2025-01-01T07:53:38.083_1
Header ID
PIONI.2025-01-01T07:53:38.083
Date updated
2025-01-01 08:00:35 UTC+0000
Release date
2026-01-01 08:00:34 UTC+0000
UTC Start
2025-01-01 07:53:38.083
UTC End
2025-01-01 07:54:03.683
MJD Start
60676.3289129981
MJD End
60676.329209294396
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004576500000000001
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.825
Observation
ID
63048
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
46963
Name
HIP58948
RA
181.30039
DEC
8.7332
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 47.9240 47.9100 142.6000 142.6000
A0-J2 111.5350 111.7030 98.1000 98.1000
A0-J6 126.4320 126.4990 13.1880 13.2950
B5-J2 84.3190 84.5030 74.6000 74.6000
B5-J6 161.1560 161.1560 359.9020 359.9920
J2-J6 160.9950 160.9320 329.5590 329.5750
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 60676.3289129981
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP58948
RA 181.30039
DEC 8.7332
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 47.924
HIERARCH ESO ISS PBL12 END 47.91
HIERARCH ESO ISS PBLA12 START 142.6
HIERARCH ESO ISS PBLA12 END 142.6
HIERARCH ESO ISS PBL13 START 111.535
HIERARCH ESO ISS PBL13 END 111.703
HIERARCH ESO ISS PBLA13 START 98.1
HIERARCH ESO ISS PBLA13 END 98.1
HIERARCH ESO ISS PBL14 START 126.432
HIERARCH ESO ISS PBL14 END 126.499
HIERARCH ESO ISS PBLA14 START 13.188
HIERARCH ESO ISS PBLA14 END 13.295
HIERARCH ESO ISS PBL23 START 84.319
HIERARCH ESO ISS PBL23 END 84.503
HIERARCH ESO ISS PBLA23 START 74.6
HIERARCH ESO ISS PBLA23 END 74.6
HIERARCH ESO ISS PBL24 START 161.156
HIERARCH ESO ISS PBL24 END 161.156
HIERARCH ESO ISS PBLA24 START 359.902
HIERARCH ESO ISS PBLA24 END 359.992
HIERARCH ESO ISS PBL34 START 160.995
HIERARCH ESO ISS PBL34 END 160.932
HIERARCH ESO ISS PBLA34 START 329.559
HIERARCH ESO ISS PBLA34 END 329.575
HIERARCH ESO ISS AMBI TAU0 START 0.004753
HIERARCH ESO ISS AMBI TAU0 END 0.0044
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.88