Exposure
ID
PIONI.2025-03-21T03:36:31.084_1
Header ID
PIONI.2025-03-21T03:36:31.084
Date updated
2025-03-21 03:40:47 UTC+0000
Release date
2026-03-21 03:40:47 UTC+0000
UTC Start
2025-03-21 03:36:31.085
UTC End
2025-03-21 03:36:56.685
MJD Start
60755.1503597745
MJD End
60755.1506560708
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011036
Ambient temperature (°C)
16.27
Seeing (arcsec)
0.38
Observation
ID
65740
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
48913
Name
HIP72471
RA
222.276292
DEC
-56.6685
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 63.7020 63.7810 59.5000 59.7000
A0-J2 111.4540 111.5110 36.7000 36.9000
A0-K0 124.2750 124.2910 21.3860 21.5310
G1-J2 58.2180 58.2190 11.7000 11.8000
G1-K0 83.9670 83.9730 353.4480 353.5410
J2-K0 33.9520 33.9840 321.0470 321.1070
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 60755.1503597745
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP72471
RA 222.276292
DEC -56.6685
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 63.702
HIERARCH ESO ISS PBL12 END 63.781
HIERARCH ESO ISS PBLA12 START 59.5
HIERARCH ESO ISS PBLA12 END 59.7
HIERARCH ESO ISS PBL13 START 111.454
HIERARCH ESO ISS PBL13 END 111.511
HIERARCH ESO ISS PBLA13 START 36.7
HIERARCH ESO ISS PBLA13 END 36.9
HIERARCH ESO ISS PBL14 START 124.275
HIERARCH ESO ISS PBL14 END 124.291
HIERARCH ESO ISS PBLA14 START 21.386
HIERARCH ESO ISS PBLA14 END 21.531
HIERARCH ESO ISS PBL23 START 58.218
HIERARCH ESO ISS PBL23 END 58.219
HIERARCH ESO ISS PBLA23 START 11.7
HIERARCH ESO ISS PBLA23 END 11.8
HIERARCH ESO ISS PBL24 START 83.967
HIERARCH ESO ISS PBL24 END 83.973
HIERARCH ESO ISS PBLA24 START 353.448
HIERARCH ESO ISS PBLA24 END 353.541
HIERARCH ESO ISS PBL34 START 33.952
HIERARCH ESO ISS PBL34 END 33.984
HIERARCH ESO ISS PBLA34 START 321.047
HIERARCH ESO ISS PBLA34 END 321.107
HIERARCH ESO ISS AMBI TAU0 START 0.011036
HIERARCH ESO ISS AMBI TAU0 END 0.011036
HIERARCH ESO ISS AMBI TEMP 16.27
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38