Exposure
ID
PIONI.2025-01-02T06:57:59.681_1
Header ID
PIONI.2025-01-02T06:57:59.681
Date updated
2025-01-02 07:05:53 UTC+0000
Release date
2026-01-02 07:05:52 UTC+0000
UTC Start
2025-01-02 06:57:59.681
UTC End
2025-01-02 06:58:25.281
MJD Start
60677.2902740869
MJD End
60677.2905703832
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009432
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.49
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 44.7220 44.7460 141.5000 141.6000
A0-J2 124.6150 124.6800 79.4000 79.5000
A0-J6 167.1840 167.1670 16.9940 17.0750
B5-J2 110.9690 110.9940 58.6000 58.7000
B5-J6 196.0380 196.0280 6.1650 6.2380
J2-J6 155.5770 155.6360 331.7510 331.8110
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 60677.2902740869
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 44.722
HIERARCH ESO ISS PBL12 END 44.746
HIERARCH ESO ISS PBLA12 START 141.5
HIERARCH ESO ISS PBLA12 END 141.6
HIERARCH ESO ISS PBL13 START 124.615
HIERARCH ESO ISS PBL13 END 124.68
HIERARCH ESO ISS PBLA13 START 79.4
HIERARCH ESO ISS PBLA13 END 79.5
HIERARCH ESO ISS PBL14 START 167.184
HIERARCH ESO ISS PBL14 END 167.167
HIERARCH ESO ISS PBLA14 START 16.994
HIERARCH ESO ISS PBLA14 END 17.075
HIERARCH ESO ISS PBL23 START 110.969
HIERARCH ESO ISS PBL23 END 110.994
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 196.038
HIERARCH ESO ISS PBL24 END 196.028
HIERARCH ESO ISS PBLA24 START 6.165
HIERARCH ESO ISS PBLA24 END 6.238
HIERARCH ESO ISS PBL34 START 155.577
HIERARCH ESO ISS PBL34 END 155.636
HIERARCH ESO ISS PBLA34 START 331.751
HIERARCH ESO ISS PBLA34 END 331.811
HIERARCH ESO ISS AMBI TAU0 START 0.009432
HIERARCH ESO ISS AMBI TAU0 END 0.009432
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49