Exposure
ID
PIONI.2025-07-21T10:01:21.372_1
Header ID
PIONI.2025-07-21T10:01:21.372
Date updated
2025-07-21 10:05:51 UTC+0000
Release date
2026-07-21 10:05:51 UTC+0000
UTC Start
2025-07-21 10:01:21.372
UTC End
2025-07-21 10:01:46.972
MJD Start
60877.4176084734
MJD End
60877.417904769696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007431
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.43
Observation
ID
68908
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
51271
Name
HIP114971
RA
349.294609
DEC
3.28239
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 70.5020 70.3700 117.7000 117.7000
A0-J2 110.7900 110.6160 90.9000 90.9000
A0-K0 120.6750 120.5700 70.4250 70.3980
G1-J2 57.4010 57.3800 57.4000 57.4000
G1-K0 89.3730 89.3940 35.0070 35.0180
J2-K0 42.3650 42.3700 3.9520 4.0280
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 60877.4176084734
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP114971
RA 349.294609
DEC 3.28239
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 70.502
HIERARCH ESO ISS PBL12 END 70.37
HIERARCH ESO ISS PBLA12 START 117.7
HIERARCH ESO ISS PBLA12 END 117.7
HIERARCH ESO ISS PBL13 START 110.79
HIERARCH ESO ISS PBL13 END 110.616
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 120.675
HIERARCH ESO ISS PBL14 END 120.57
HIERARCH ESO ISS PBLA14 START 70.425
HIERARCH ESO ISS PBLA14 END 70.398
HIERARCH ESO ISS PBL23 START 57.401
HIERARCH ESO ISS PBL23 END 57.38
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 89.373
HIERARCH ESO ISS PBL24 END 89.394
HIERARCH ESO ISS PBLA24 START 35.007
HIERARCH ESO ISS PBLA24 END 35.018
HIERARCH ESO ISS PBL34 START 42.365
HIERARCH ESO ISS PBL34 END 42.37
HIERARCH ESO ISS PBLA34 START 3.952
HIERARCH ESO ISS PBLA34 END 4.028
HIERARCH ESO ISS AMBI TAU0 START 0.007751
HIERARCH ESO ISS AMBI TAU0 END 0.007111
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.45