Exposure
ID
PIONI.2025-03-02T06:38:27.718_1
Header ID
PIONI.2025-03-02T06:38:27.718
Date updated
2025-03-02 06:45:33 UTC+0000
Release date
2026-03-02 06:45:33 UTC+0000
UTC Start
2025-03-02 06:38:27.718
UTC End
2025-03-02 06:38:53.318
MJD Start
60736.2767096953
MJD End
60736.2770059916
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0036985
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.925
Observation
ID
64931
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
48360
Name
HIP52689
RA
161.603451
DEC
14.19428
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 68.1900 68.0460 109.1000 109.1000
A0-J2 113.5840 113.4270 85.2000 85.2000
A0-K0 124.3540 124.2820 68.0130 67.9640
G1-J2 58.1900 58.1850 56.9000 56.9000
G1-K0 85.6220 85.6660 36.4480 36.4520
J2-K0 37.1630 37.1680 3.2620 3.3490
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 60736.2767096953
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP52689
RA 161.603451
DEC 14.19428
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 68.19
HIERARCH ESO ISS PBL12 END 68.046
HIERARCH ESO ISS PBLA12 START 109.1
HIERARCH ESO ISS PBLA12 END 109.1
HIERARCH ESO ISS PBL13 START 113.584
HIERARCH ESO ISS PBL13 END 113.427
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.2
HIERARCH ESO ISS PBL14 START 124.354
HIERARCH ESO ISS PBL14 END 124.282
HIERARCH ESO ISS PBLA14 START 68.013
HIERARCH ESO ISS PBLA14 END 67.964
HIERARCH ESO ISS PBL23 START 58.19
HIERARCH ESO ISS PBL23 END 58.185
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 85.622
HIERARCH ESO ISS PBL24 END 85.666
HIERARCH ESO ISS PBLA24 START 36.448
HIERARCH ESO ISS PBLA24 END 36.452
HIERARCH ESO ISS PBL34 START 37.163
HIERARCH ESO ISS PBL34 END 37.168
HIERARCH ESO ISS PBLA34 START 3.262
HIERARCH ESO ISS PBLA34 END 3.349
HIERARCH ESO ISS AMBI TAU0 START 0.003688
HIERARCH ESO ISS AMBI TAU0 END 0.003709
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.94