Exposure
ID
PIONI.2025-03-23T05:13:48.199_1
Header ID
PIONI.2025-03-23T05:13:48.199
Date updated
2025-03-23 05:20:50 UTC+0000
Release date
2026-03-23 05:20:50 UTC+0000
UTC Start
2025-03-23 05:13:48.199
UTC End
2025-03-23 05:14:13.799
MJD Start
60757.217918966
MJD End
60757.2182152623
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005271
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.5900000000000001
Observation
ID
65825
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
48986
Name
HIP52689
RA
161.603449
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 68.6900 68.5590 109.1000 109.1000
A0-J2 114.1280 113.9860 85.4000 85.3000
A0-K0 124.6010 124.5360 68.1860 68.1430
G1-J2 58.2040 58.2010 57.0000 57.0000
G1-K0 85.4660 85.5070 36.4330 36.4400
J2-K0 37.1480 37.1520 2.9570 3.0400
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 60757.217918966
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP52689
RA 161.603449
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 68.69
HIERARCH ESO ISS PBL12 END 68.559
HIERARCH ESO ISS PBLA12 START 109.1
HIERARCH ESO ISS PBLA12 END 109.1
HIERARCH ESO ISS PBL13 START 114.128
HIERARCH ESO ISS PBL13 END 113.986
HIERARCH ESO ISS PBLA13 START 85.4
HIERARCH ESO ISS PBLA13 END 85.3
HIERARCH ESO ISS PBL14 START 124.601
HIERARCH ESO ISS PBL14 END 124.536
HIERARCH ESO ISS PBLA14 START 68.186
HIERARCH ESO ISS PBLA14 END 68.143
HIERARCH ESO ISS PBL23 START 58.204
HIERARCH ESO ISS PBL23 END 58.201
HIERARCH ESO ISS PBLA23 START 57.0
HIERARCH ESO ISS PBLA23 END 57.0
HIERARCH ESO ISS PBL24 START 85.466
HIERARCH ESO ISS PBL24 END 85.507
HIERARCH ESO ISS PBLA24 START 36.433
HIERARCH ESO ISS PBLA24 END 36.44
HIERARCH ESO ISS PBL34 START 37.148
HIERARCH ESO ISS PBL34 END 37.152
HIERARCH ESO ISS PBLA34 START 2.957
HIERARCH ESO ISS PBLA34 END 3.04
HIERARCH ESO ISS AMBI TAU0 START 0.005971
HIERARCH ESO ISS AMBI TAU0 END 0.004571
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.66