Exposure
ID
PIONI.2025-07-23T07:37:45.416_1
Header ID
PIONI.2025-07-23T07:37:45.416
Date updated
2025-07-23 07:45:45 UTC+0000
Release date
2025-07-23 07:37:45 UTC+0000
UTC Start
2025-07-23 07:37:45.416
UTC End
2025-07-23 07:38:23.816
MJD Start
60879.3178867558
MJD End
60879.318331200244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005424
Ambient temperature (°C)
12.8
Seeing (arcsec)
0.4
Observation
ID
68129
Category
calibrator
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50640
Name
HD220171
RA
350.43263
DEC
3.06035
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 89.8630 89.8280 113.3000 113.3000
A0-J2 128.9060 128.9380 92.8000 92.8000
A0-K0 124.2280 124.3310 73.0730 73.0760
G1-J2 54.6850 54.7440 57.7000 57.7000
G1-K0 80.3810 80.4460 26.8500 26.9310
J2-K0 43.6190 43.6020 346.8690 346.9540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60879.3178867558
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.43263
DEC 3.06035
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.863
HIERARCH ESO ISS PBL12 END 89.828
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 128.906
HIERARCH ESO ISS PBL13 END 128.938
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 124.228
HIERARCH ESO ISS PBL14 END 124.331
HIERARCH ESO ISS PBLA14 START 73.073
HIERARCH ESO ISS PBLA14 END 73.076
HIERARCH ESO ISS PBL23 START 54.685
HIERARCH ESO ISS PBL23 END 54.744
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 80.381
HIERARCH ESO ISS PBL24 END 80.446
HIERARCH ESO ISS PBLA24 START 26.85
HIERARCH ESO ISS PBLA24 END 26.931
HIERARCH ESO ISS PBL34 START 43.619
HIERARCH ESO ISS PBL34 END 43.602
HIERARCH ESO ISS PBLA34 START 346.869
HIERARCH ESO ISS PBLA34 END 346.954
HIERARCH ESO ISS AMBI TAU0 START 0.005424
HIERARCH ESO ISS AMBI TAU0 END 0.005424
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4