Exposure
ID
PIONI.2025-05-31T04:36:29.746_1
Header ID
PIONI.2025-05-31T04:36:29.746
Date updated
2025-05-31 04:41:11 UTC+0000
Release date
2025-05-31 04:36:29 UTC+0000
UTC Start
2025-05-31 04:36:29.746
UTC End
2025-05-31 04:37:08.146
MJD Start
60826.1920109456
MJD End
60826.19245539004
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013114
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.34
Observation
ID
67669
Category
calibrator
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
50322
Name
HD157913
RA
261.513974
DEC
3.69395
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.5780 46.5490 144.8000 144.9000
A0-J2 126.0290 126.1300 93.5000 93.5000
A0-J6 144.7670 144.8900 23.0320 23.1330
B5-J2 103.5360 103.6810 72.9000 72.9000
B5-J6 173.8690 173.9320 9.8690 9.9740
J2-J6 156.9180 156.8230 333.8500 333.9080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60826.1920109456
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD157913
RA 261.513974
DEC 3.69395
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.578
HIERARCH ESO ISS PBL12 END 46.549
HIERARCH ESO ISS PBLA12 START 144.8
HIERARCH ESO ISS PBLA12 END 144.9
HIERARCH ESO ISS PBL13 START 126.029
HIERARCH ESO ISS PBL13 END 126.13
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 144.767
HIERARCH ESO ISS PBL14 END 144.89
HIERARCH ESO ISS PBLA14 START 23.032
HIERARCH ESO ISS PBLA14 END 23.133
HIERARCH ESO ISS PBL23 START 103.536
HIERARCH ESO ISS PBL23 END 103.681
HIERARCH ESO ISS PBLA23 START 72.9
HIERARCH ESO ISS PBLA23 END 72.9
HIERARCH ESO ISS PBL24 START 173.869
HIERARCH ESO ISS PBL24 END 173.932
HIERARCH ESO ISS PBLA24 START 9.869
HIERARCH ESO ISS PBLA24 END 9.974
HIERARCH ESO ISS PBL34 START 156.918
HIERARCH ESO ISS PBL34 END 156.823
HIERARCH ESO ISS PBLA34 START 333.85
HIERARCH ESO ISS PBLA34 END 333.908
HIERARCH ESO ISS AMBI TAU0 START 0.013114
HIERARCH ESO ISS AMBI TAU0 END 0.013114
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34