Exposure
ID
PIONI.2025-03-21T02:18:36.086_1
Header ID
PIONI.2025-03-21T02:18:36.086
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 02:18:36.087
UTC End
2025-03-21 02:19:01.687
MJD Start
60755.0962510048
MJD End
60755.096547301095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004138
Ambient temperature (°C)
16.86
Seeing (arcsec)
0.54
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 79.3020 79.3470 82.4000 82.5000
A0-J2 125.7670 125.7950 63.8000 63.9000
A0-K0 127.8720 127.8680 48.5240 48.6610
G1-J2 56.5500 56.5420 37.3000 37.4000
G1-K0 76.1240 76.1130 13.0690 13.1710
J2-K0 33.7580 33.7760 329.7090 329.7950
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 60755.0962510048
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 79.302
HIERARCH ESO ISS PBL12 END 79.347
HIERARCH ESO ISS PBLA12 START 82.4
HIERARCH ESO ISS PBLA12 END 82.5
HIERARCH ESO ISS PBL13 START 125.767
HIERARCH ESO ISS PBL13 END 125.795
HIERARCH ESO ISS PBLA13 START 63.8
HIERARCH ESO ISS PBLA13 END 63.9
HIERARCH ESO ISS PBL14 START 127.872
HIERARCH ESO ISS PBL14 END 127.868
HIERARCH ESO ISS PBLA14 START 48.524
HIERARCH ESO ISS PBLA14 END 48.661
HIERARCH ESO ISS PBL23 START 56.55
HIERARCH ESO ISS PBL23 END 56.542
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 76.124
HIERARCH ESO ISS PBL24 END 76.113
HIERARCH ESO ISS PBLA24 START 13.069
HIERARCH ESO ISS PBLA24 END 13.171
HIERARCH ESO ISS PBL34 START 33.758
HIERARCH ESO ISS PBL34 END 33.776
HIERARCH ESO ISS PBLA34 START 329.709
HIERARCH ESO ISS PBLA34 END 329.795
HIERARCH ESO ISS AMBI TAU0 START 0.004138
HIERARCH ESO ISS AMBI TAU0 END 0.004138
HIERARCH ESO ISS AMBI TEMP 16.86
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54