Exposure
ID
PIONI.2025-03-25T09:03:05.472_1
Header ID
PIONI.2025-03-25T09:03:05.472
Date updated
2025-03-25 09:10:44 UTC+0000
Release date
2026-03-25 09:10:43 UTC+0000
UTC Start
2025-03-25 09:03:05.472
UTC End
2025-03-25 09:03:31.072
MJD Start
60759.3771466683
MJD End
60759.3774429646
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002695
Ambient temperature (°C)
13.73
Seeing (arcsec)
1.0350000000000001
Observation
ID
65889
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
49044
Name
HIP77853
RA
238.455831
DEC
-16.72854
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 88.6580 88.6180 119.2000 119.2000
A0-J2 127.4350 127.3810 95.6000 95.7000
A0-K0 127.2190 127.1850 73.8870 73.9260
G1-J2 58.1360 58.1290 58.2000 58.2000
G1-K0 90.3840 90.3890 29.7100 29.7600
J2-K0 48.0600 48.0580 354.5110 354.5770
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 60759.3771466683
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP77853
RA 238.455831
DEC -16.72854
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 88.658
HIERARCH ESO ISS PBL12 END 88.618
HIERARCH ESO ISS PBLA12 START 119.2
HIERARCH ESO ISS PBLA12 END 119.2
HIERARCH ESO ISS PBL13 START 127.435
HIERARCH ESO ISS PBL13 END 127.381
HIERARCH ESO ISS PBLA13 START 95.6
HIERARCH ESO ISS PBLA13 END 95.7
HIERARCH ESO ISS PBL14 START 127.219
HIERARCH ESO ISS PBL14 END 127.185
HIERARCH ESO ISS PBLA14 START 73.887
HIERARCH ESO ISS PBLA14 END 73.926
HIERARCH ESO ISS PBL23 START 58.136
HIERARCH ESO ISS PBL23 END 58.129
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 90.384
HIERARCH ESO ISS PBL24 END 90.389
HIERARCH ESO ISS PBLA24 START 29.71
HIERARCH ESO ISS PBLA24 END 29.76
HIERARCH ESO ISS PBL34 START 48.06
HIERARCH ESO ISS PBL34 END 48.058
HIERARCH ESO ISS PBLA34 START 354.511
HIERARCH ESO ISS PBLA34 END 354.577
HIERARCH ESO ISS AMBI TAU0 START 0.002695
HIERARCH ESO ISS AMBI TAU0 END 0.002695
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.05