Exposure
ID
PIONI.2025-03-22T01:09:07.197_1
Header ID
PIONI.2025-03-22T01:09:07.197
Date updated
2025-03-22 01:15:40 UTC+0000
Release date
2026-03-22 01:15:40 UTC+0000
UTC Start
2025-03-22 01:09:07.196
UTC End
2025-03-22 01:09:32.796
MJD Start
60756.0479999552
MJD End
60756.048296251494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0054255
Ambient temperature (°C)
15.03
Seeing (arcsec)
0.57
Observation
ID
65760
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
48931
Name
HIP56656
RA
174.247202
DEC
-61.28344
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 71.7080 71.7730 68.8000 68.9000
A0-J2 119.1690 119.2160 48.0000 48.2000
A0-K0 127.0670 127.0780 32.5400 32.6790
G1-J2 57.9950 57.9920 22.0000 22.1000
G1-K0 81.1850 81.1840 1.0630 1.1600
J2-K0 34.0600 34.0860 323.5690 323.6420
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 60756.0479999552
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP56656
RA 174.247202
DEC -61.28344
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 71.708
HIERARCH ESO ISS PBL12 END 71.773
HIERARCH ESO ISS PBLA12 START 68.8
HIERARCH ESO ISS PBLA12 END 68.9
HIERARCH ESO ISS PBL13 START 119.169
HIERARCH ESO ISS PBL13 END 119.216
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 48.2
HIERARCH ESO ISS PBL14 START 127.067
HIERARCH ESO ISS PBL14 END 127.078
HIERARCH ESO ISS PBLA14 START 32.54
HIERARCH ESO ISS PBLA14 END 32.679
HIERARCH ESO ISS PBL23 START 57.995
HIERARCH ESO ISS PBL23 END 57.992
HIERARCH ESO ISS PBLA23 START 22.0
HIERARCH ESO ISS PBLA23 END 22.1
HIERARCH ESO ISS PBL24 START 81.185
HIERARCH ESO ISS PBL24 END 81.184
HIERARCH ESO ISS PBLA24 START 1.063
HIERARCH ESO ISS PBLA24 END 1.16
HIERARCH ESO ISS PBL34 START 34.06
HIERARCH ESO ISS PBL34 END 34.086
HIERARCH ESO ISS PBLA34 START 323.569
HIERARCH ESO ISS PBLA34 END 323.642
HIERARCH ESO ISS AMBI TAU0 START 0.004929
HIERARCH ESO ISS AMBI TAU0 END 0.005922
HIERARCH ESO ISS AMBI TEMP 15.03
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57