Exposure
ID
PIONI.2025-09-21T04:29:10.355_1
Header ID
PIONI.2025-09-21T04:29:10.355
Date updated
2025-09-21 04:35:53 UTC+0000
Release date
2026-09-21 04:35:52 UTC+0000
UTC Start
2025-09-21 04:29:10.354
UTC End
2025-09-21 04:29:48.754
MJD Start
60939.1869253954
MJD End
60939.18736983984
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002189
Ambient temperature (°C)
11.09
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 87.8300 87.7600 113.7000 113.7000
A0-J2 128.9150 128.8820 92.4000 92.4000
A0-K0 127.3250 127.3680 72.9440 72.9420
G1-J2 56.8160 56.8540 58.3000 58.4000
G1-K0 83.5250 83.5860 29.6190 29.6830
J2-K0 43.3660 43.3540 350.6060 350.6990
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 60939.1869253954
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 87.83
HIERARCH ESO ISS PBL12 END 87.76
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 128.915
HIERARCH ESO ISS PBL13 END 128.882
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 127.325
HIERARCH ESO ISS PBL14 END 127.368
HIERARCH ESO ISS PBLA14 START 72.944
HIERARCH ESO ISS PBLA14 END 72.942
HIERARCH ESO ISS PBL23 START 56.816
HIERARCH ESO ISS PBL23 END 56.854
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 83.525
HIERARCH ESO ISS PBL24 END 83.586
HIERARCH ESO ISS PBLA24 START 29.619
HIERARCH ESO ISS PBLA24 END 29.683
HIERARCH ESO ISS PBL34 START 43.366
HIERARCH ESO ISS PBL34 END 43.354
HIERARCH ESO ISS PBLA34 START 350.606
HIERARCH ESO ISS PBLA34 END 350.699
HIERARCH ESO ISS AMBI TAU0 START 0.002189
HIERARCH ESO ISS AMBI TAU0 END 0.002189
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64