Exposure
ID
PIONI.2025-04-28T05:51:33.551_1
Header ID
PIONI.2025-04-28T05:51:33.551
Date updated
2025-04-28 06:00:50 UTC+0000
Release date
2026-04-28 06:00:50 UTC+0000
UTC Start
2025-04-28 05:51:33.551
UTC End
2025-04-28 05:51:59.151
MJD Start
60793.2441383246
MJD End
60793.244434620894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005012
Ambient temperature (°C)
12.76
Seeing (arcsec)
0.48
Observation
ID
67026
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
49834
Name
HIP77578
RA
237.57217
DEC
2.19624
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 89.6780 89.6480 113.4000 113.4000
A0-J2 129.0950 129.1110 92.7000 92.7000
A0-K0 125.0990 125.1660 72.8680 72.8720
G1-J2 55.2940 55.3340 57.6000 57.6000
G1-K0 81.5340 81.5810 27.1950 27.2540
J2-K0 43.8910 43.8800 347.6200 347.6850
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 60793.2441383246
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP77578
RA 237.57217
DEC 2.19624
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 89.678
HIERARCH ESO ISS PBL12 END 89.648
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.095
HIERARCH ESO ISS PBL13 END 129.111
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 125.099
HIERARCH ESO ISS PBL14 END 125.166
HIERARCH ESO ISS PBLA14 START 72.868
HIERARCH ESO ISS PBLA14 END 72.872
HIERARCH ESO ISS PBL23 START 55.294
HIERARCH ESO ISS PBL23 END 55.334
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 81.534
HIERARCH ESO ISS PBL24 END 81.581
HIERARCH ESO ISS PBLA24 START 27.195
HIERARCH ESO ISS PBLA24 END 27.254
HIERARCH ESO ISS PBL34 START 43.891
HIERARCH ESO ISS PBL34 END 43.88
HIERARCH ESO ISS PBLA34 START 347.62
HIERARCH ESO ISS PBLA34 END 347.685
HIERARCH ESO ISS AMBI TAU0 START 0.005012
HIERARCH ESO ISS AMBI TAU0 END 0.005012
HIERARCH ESO ISS AMBI TEMP 12.76
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48