Exposure
ID
PIONI.2025-09-21T03:05:32.350_1
Header ID
PIONI.2025-09-21T03:05:32.350
Date updated
2025-09-21 03:10:55 UTC+0000
Release date
2026-09-21 03:10:55 UTC+0000
UTC Start
2025-09-21 03:05:32.349
UTC End
2025-09-21 03:06:10.749
MJD Start
60939.128846637
MJD End
60939.129291081445
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002283
Ambient temperature (°C)
10.98
Seeing (arcsec)
0.64
Observation
ID
70467
Category
science
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
52253
Name
16Psc
RA
354.095301
DEC
2.10257
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 90.1310 90.1570 113.9000 113.8000
A0-J2 123.6680 123.8010 93.4000 93.4000
A0-K0 115.2270 115.4160 71.9650 71.9870
G1-J2 50.3390 50.4240 54.6000 54.6000
G1-K0 77.0510 77.1100 20.6120 20.7210
J2-K0 45.1280 45.1080 342.0710 342.1410
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60939.128846637
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095301
DEC 2.10257
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 90.131
HIERARCH ESO ISS PBL12 END 90.157
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 123.668
HIERARCH ESO ISS PBL13 END 123.801
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 115.227
HIERARCH ESO ISS PBL14 END 115.416
HIERARCH ESO ISS PBLA14 START 71.965
HIERARCH ESO ISS PBLA14 END 71.987
HIERARCH ESO ISS PBL23 START 50.339
HIERARCH ESO ISS PBL23 END 50.424
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.6
HIERARCH ESO ISS PBL24 START 77.051
HIERARCH ESO ISS PBL24 END 77.11
HIERARCH ESO ISS PBLA24 START 20.612
HIERARCH ESO ISS PBLA24 END 20.721
HIERARCH ESO ISS PBL34 START 45.128
HIERARCH ESO ISS PBL34 END 45.108
HIERARCH ESO ISS PBLA34 START 342.071
HIERARCH ESO ISS PBLA34 END 342.141
HIERARCH ESO ISS AMBI TAU0 START 0.002283
HIERARCH ESO ISS AMBI TAU0 END 0.002283
HIERARCH ESO ISS AMBI TEMP 10.98
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.65