Exposure
ID
PIONI.2025-03-21T02:19:13.456_1
Header ID
PIONI.2025-03-21T02:19:13.456
Date updated
2025-03-21 02:25:51 UTC+0000
Release date
2026-03-21 02:25:51 UTC+0000
UTC Start
2025-03-21 02:19:13.456
UTC End
2025-03-21 02:19:39.056
MJD Start
60755.0966835227
MJD End
60755.096979819
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003933
Ambient temperature (°C)
16.86
Seeing (arcsec)
0.525
Observation
ID
65733
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
48906
Name
HIP56287
RA
173.080475
DEC
-66.9618
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 79.3490 79.3930 82.5000 82.7000
A0-J2 125.7960 125.8230 63.9000 64.1000
A0-K0 127.8680 127.8630 48.6680 48.8050
G1-J2 56.5410 56.5320 37.4000 37.5000
G1-K0 76.1120 76.1010 13.1760 13.2780
J2-K0 33.7770 33.7950 329.7990 329.8850
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 60755.0966835227
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP56287
RA 173.080475
DEC -66.9618
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 79.349
HIERARCH ESO ISS PBL12 END 79.393
HIERARCH ESO ISS PBLA12 START 82.5
HIERARCH ESO ISS PBLA12 END 82.7
HIERARCH ESO ISS PBL13 START 125.796
HIERARCH ESO ISS PBL13 END 125.823
HIERARCH ESO ISS PBLA13 START 63.9
HIERARCH ESO ISS PBLA13 END 64.1
HIERARCH ESO ISS PBL14 START 127.868
HIERARCH ESO ISS PBL14 END 127.863
HIERARCH ESO ISS PBLA14 START 48.668
HIERARCH ESO ISS PBLA14 END 48.805
HIERARCH ESO ISS PBL23 START 56.541
HIERARCH ESO ISS PBL23 END 56.532
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.5
HIERARCH ESO ISS PBL24 START 76.112
HIERARCH ESO ISS PBL24 END 76.101
HIERARCH ESO ISS PBLA24 START 13.176
HIERARCH ESO ISS PBLA24 END 13.278
HIERARCH ESO ISS PBL34 START 33.777
HIERARCH ESO ISS PBL34 END 33.795
HIERARCH ESO ISS PBLA34 START 329.799
HIERARCH ESO ISS PBLA34 END 329.885
HIERARCH ESO ISS AMBI TAU0 START 0.004138
HIERARCH ESO ISS AMBI TAU0 END 0.003728
HIERARCH ESO ISS AMBI TEMP 16.86
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.51