Exposure
ID
PIONI.2025-03-22T01:08:29.645_1
Header ID
PIONI.2025-03-22T01:08:29.645
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 01:08:29.645
UTC End
2025-03-22 01:08:55.245
MJD Start
60756.0475653345
MJD End
60756.047861630796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004929
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 71.6400 71.7050 68.6000 68.8000
A0-J2 119.1200 119.1670 47.9000 48.0000
A0-K0 127.0560 127.0670 32.3930 32.5320
G1-J2 57.9970 57.9950 21.9000 22.0000
G1-K0 81.1860 81.1850 0.9610 1.0580
J2-K0 34.0330 34.0590 323.4920 323.5650
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 60756.0475653345
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 71.64
HIERARCH ESO ISS PBL12 END 71.705
HIERARCH ESO ISS PBLA12 START 68.6
HIERARCH ESO ISS PBLA12 END 68.8
HIERARCH ESO ISS PBL13 START 119.12
HIERARCH ESO ISS PBL13 END 119.167
HIERARCH ESO ISS PBLA13 START 47.9
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 127.056
HIERARCH ESO ISS PBL14 END 127.067
HIERARCH ESO ISS PBLA14 START 32.393
HIERARCH ESO ISS PBLA14 END 32.532
HIERARCH ESO ISS PBL23 START 57.997
HIERARCH ESO ISS PBL23 END 57.995
HIERARCH ESO ISS PBLA23 START 21.9
HIERARCH ESO ISS PBLA23 END 22.0
HIERARCH ESO ISS PBL24 START 81.186
HIERARCH ESO ISS PBL24 END 81.185
HIERARCH ESO ISS PBLA24 START 0.961
HIERARCH ESO ISS PBLA24 END 1.058
HIERARCH ESO ISS PBL34 START 34.033
HIERARCH ESO ISS PBL34 END 34.059
HIERARCH ESO ISS PBLA34 START 323.492
HIERARCH ESO ISS PBLA34 END 323.565
HIERARCH ESO ISS AMBI TAU0 START 0.004929
HIERARCH ESO ISS AMBI TAU0 END 0.004929
HIERARCH ESO ISS AMBI TEMP 15.03
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57