Exposure
ID
PIONI.2025-09-21T03:06:22.932_1
Header ID
PIONI.2025-09-21T03:06:22.932
Date updated
2025-09-21 03:15:57 UTC+0000
Release date
2026-09-21 03:15:57 UTC+0000
UTC Start
2025-09-21 03:06:22.932
UTC End
2025-09-21 03:07:01.332
MJD Start
60939.1294320789
MJD End
60939.129876523344
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002283
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.675
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 90.1580 90.1830 113.8000 113.8000
A0-J2 123.8040 123.9350 93.4000 93.3000
A0-K0 115.4190 115.6060 71.9880 72.0100
G1-J2 50.4260 50.5100 54.6000 54.7000
G1-K0 77.1120 77.1710 20.7240 20.8330
J2-K0 45.1080 45.0880 342.1420 342.2130
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 60939.1294320789
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 90.158
HIERARCH ESO ISS PBL12 END 90.183
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 123.804
HIERARCH ESO ISS PBL13 END 123.935
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 115.419
HIERARCH ESO ISS PBL14 END 115.606
HIERARCH ESO ISS PBLA14 START 71.988
HIERARCH ESO ISS PBLA14 END 72.01
HIERARCH ESO ISS PBL23 START 50.426
HIERARCH ESO ISS PBL23 END 50.51
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.7
HIERARCH ESO ISS PBL24 START 77.112
HIERARCH ESO ISS PBL24 END 77.171
HIERARCH ESO ISS PBLA24 START 20.724
HIERARCH ESO ISS PBLA24 END 20.833
HIERARCH ESO ISS PBL34 START 45.108
HIERARCH ESO ISS PBL34 END 45.088
HIERARCH ESO ISS PBLA34 START 342.142
HIERARCH ESO ISS PBLA34 END 342.213
HIERARCH ESO ISS AMBI TAU0 START 0.002283
HIERARCH ESO ISS AMBI TAU0 END 0.002283
HIERARCH ESO ISS AMBI TEMP 10.96
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.7