Exposure
ID
PIONI.2025-03-24T09:27:54.645_1
Header ID
PIONI.2025-03-24T09:27:54.645
Date updated
2025-03-24 09:35:46 UTC+0000
Release date
2026-03-24 09:35:46 UTC+0000
UTC Start
2025-03-24 09:27:54.645
UTC End
2025-03-24 09:28:20.245
MJD Start
60758.3943824661
MJD End
60758.39467876239
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002502
Ambient temperature (°C)
12.57
Seeing (arcsec)
1.12
Observation
ID
65874
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
49032
Name
HIP75127
RA
230.280287
DEC
-5.82491
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 79.5790 79.4850 120.8000 120.9000
A0-J2 118.2560 118.1240 95.4000 95.5000
A0-K0 123.0470 122.9610 73.7770 73.7800
G1-J2 57.5270 57.5070 59.1000 59.1000
G1-K0 90.1370 90.1480 33.5320 33.5590
J2-K0 45.6070 45.6080 0.5300 0.6010
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 60758.3943824661
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP75127
RA 230.280287
DEC -5.82491
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 79.579
HIERARCH ESO ISS PBL12 END 79.485
HIERARCH ESO ISS PBLA12 START 120.8
HIERARCH ESO ISS PBLA12 END 120.9
HIERARCH ESO ISS PBL13 START 118.256
HIERARCH ESO ISS PBL13 END 118.124
HIERARCH ESO ISS PBLA13 START 95.4
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 123.047
HIERARCH ESO ISS PBL14 END 122.961
HIERARCH ESO ISS PBLA14 START 73.777
HIERARCH ESO ISS PBLA14 END 73.78
HIERARCH ESO ISS PBL23 START 57.527
HIERARCH ESO ISS PBL23 END 57.507
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.1
HIERARCH ESO ISS PBL24 START 90.137
HIERARCH ESO ISS PBL24 END 90.148
HIERARCH ESO ISS PBLA24 START 33.532
HIERARCH ESO ISS PBLA24 END 33.559
HIERARCH ESO ISS PBL34 START 45.607
HIERARCH ESO ISS PBL34 END 45.608
HIERARCH ESO ISS PBLA34 START 0.53
HIERARCH ESO ISS PBLA34 END 0.601
HIERARCH ESO ISS AMBI TAU0 START 0.002502
HIERARCH ESO ISS AMBI TAU0 END 0.002502
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 1.15
HIERARCH ESO ISS AMBI FWHM END 1.09