Exposure
ID
PIONI.2025-05-31T05:26:15.528_1
Header ID
PIONI.2025-05-31T05:26:15.528
Date updated
2025-05-31 05:36:45 UTC+0000
Release date
2026-05-31 05:36:44 UTC+0000
UTC Start
2025-05-31 05:26:15.528
UTC End
2025-05-31 05:26:53.928
MJD Start
60826.2265686146
MJD End
60826.22701305904
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013714
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.34
Observation
ID
67674
Category
science
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
50327
Name
HIP98575
RA
300.348813
DEC
-22.73738
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 45.8080 45.8410 140.4000 140.4000
A0-J2 103.1490 103.3920 75.3000 75.4000
A0-J6 165.8710 165.8820 5.2580 5.3750
B5-J2 93.6220 93.7710 48.9000 49.1000
B5-J6 200.9520 200.9480 356.0050 356.1000
J2-J6 162.6220 162.6920 328.6780 328.7150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60826.2265686146
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP98575
RA 300.348813
DEC -22.73738
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 45.808
HIERARCH ESO ISS PBL12 END 45.841
HIERARCH ESO ISS PBLA12 START 140.4
HIERARCH ESO ISS PBLA12 END 140.4
HIERARCH ESO ISS PBL13 START 103.149
HIERARCH ESO ISS PBL13 END 103.392
HIERARCH ESO ISS PBLA13 START 75.3
HIERARCH ESO ISS PBLA13 END 75.4
HIERARCH ESO ISS PBL14 START 165.871
HIERARCH ESO ISS PBL14 END 165.882
HIERARCH ESO ISS PBLA14 START 5.258
HIERARCH ESO ISS PBLA14 END 5.375
HIERARCH ESO ISS PBL23 START 93.622
HIERARCH ESO ISS PBL23 END 93.771
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 200.952
HIERARCH ESO ISS PBL24 END 200.948
HIERARCH ESO ISS PBLA24 START 356.005
HIERARCH ESO ISS PBLA24 END 356.1
HIERARCH ESO ISS PBL34 START 162.622
HIERARCH ESO ISS PBL34 END 162.692
HIERARCH ESO ISS PBLA34 START 328.678
HIERARCH ESO ISS PBLA34 END 328.715
HIERARCH ESO ISS AMBI TAU0 START 0.013714
HIERARCH ESO ISS AMBI TAU0 END 0.013714
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34