Exposure
ID
PIONI.2025-09-21T04:30:51.500_1
Header ID
PIONI.2025-09-21T04:30:51.500
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 04:30:51.500
UTC End
2025-09-21 04:31:29.900
MJD Start
60939.1880960693
MJD End
60939.188540513744
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002335
Ambient temperature (°C)
11.09
Seeing (arcsec)
0.645
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 87.6810 87.6070 113.7000 113.7000
A0-J2 128.8440 128.8080 92.4000 92.4000
A0-K0 127.4130 127.4530 72.9400 72.9380
G1-J2 56.8950 56.9330 58.4000 58.4000
G1-K0 83.6520 83.7130 29.7540 29.8190
J2-K0 43.3400 43.3270 350.8010 350.8970
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 60939.1880960693
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 87.681
HIERARCH ESO ISS PBL12 END 87.607
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 128.844
HIERARCH ESO ISS PBL13 END 128.808
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 127.413
HIERARCH ESO ISS PBL14 END 127.453
HIERARCH ESO ISS PBLA14 START 72.94
HIERARCH ESO ISS PBLA14 END 72.938
HIERARCH ESO ISS PBL23 START 56.895
HIERARCH ESO ISS PBL23 END 56.933
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 83.652
HIERARCH ESO ISS PBL24 END 83.713
HIERARCH ESO ISS PBLA24 START 29.754
HIERARCH ESO ISS PBLA24 END 29.819
HIERARCH ESO ISS PBL34 START 43.34
HIERARCH ESO ISS PBL34 END 43.327
HIERARCH ESO ISS PBLA34 START 350.801
HIERARCH ESO ISS PBLA34 END 350.897
HIERARCH ESO ISS AMBI TAU0 START 0.002335
HIERARCH ESO ISS AMBI TAU0 END 0.002335
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.66