Exposure
ID
PIONI.2025-06-01T23:52:45.207_1
Header ID
PIONI.2025-06-01T23:52:45.207
Date updated
2025-06-02 00:01:41 UTC+0000
Release date
2025-06-01 23:52:45 UTC+0000
UTC Start
2025-06-01 23:52:45.207
UTC End
2025-06-01 23:53:23.607
MJD Start
60827.9949676679
MJD End
60827.995412112345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006747
Ambient temperature (°C)
12.4
Seeing (arcsec)
0.54
Observation
ID
67630
Category
calibrator
Program ID
115.28F2.002
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
50298
Name
HD85991
RA
148.772848
DEC
-22.33329
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 47.6140 47.6060 166.1000 166.2000
A0-J2 115.2210 115.0340 105.3000 105.4000
A0-J6 165.9140 165.8460 35.3860 35.4310
B5-J2 100.9360 100.7780 81.0000 81.1000
B5-J6 200.2590 200.2230 25.0050 25.0610
J2-J6 166.3990 166.3920 354.8090 354.9130
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.9949676679
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD85991
RA 148.772848
DEC -22.33329
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 47.614
HIERARCH ESO ISS PBL12 END 47.606
HIERARCH ESO ISS PBLA12 START 166.1
HIERARCH ESO ISS PBLA12 END 166.2
HIERARCH ESO ISS PBL13 START 115.221
HIERARCH ESO ISS PBL13 END 115.034
HIERARCH ESO ISS PBLA13 START 105.3
HIERARCH ESO ISS PBLA13 END 105.4
HIERARCH ESO ISS PBL14 START 165.914
HIERARCH ESO ISS PBL14 END 165.846
HIERARCH ESO ISS PBLA14 START 35.386
HIERARCH ESO ISS PBLA14 END 35.431
HIERARCH ESO ISS PBL23 START 100.936
HIERARCH ESO ISS PBL23 END 100.778
HIERARCH ESO ISS PBLA23 START 81.0
HIERARCH ESO ISS PBLA23 END 81.1
HIERARCH ESO ISS PBL24 START 200.259
HIERARCH ESO ISS PBL24 END 200.223
HIERARCH ESO ISS PBLA24 START 25.005
HIERARCH ESO ISS PBLA24 END 25.061
HIERARCH ESO ISS PBL34 START 166.399
HIERARCH ESO ISS PBL34 END 166.392
HIERARCH ESO ISS PBLA34 START 354.809
HIERARCH ESO ISS PBLA34 END 354.913
HIERARCH ESO ISS AMBI TAU0 START 0.006747
HIERARCH ESO ISS AMBI TAU0 END 0.006747
HIERARCH ESO ISS AMBI TEMP 12.4
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54