Exposure
ID
PIONI.2025-09-20T03:48:43.753_1
Header ID
PIONI.2025-09-20T03:48:43.753
Date updated
2025-09-20 03:55:54 UTC+0000
Release date
2026-09-20 03:55:54 UTC+0000
UTC Start
2025-09-20 03:48:43.752
UTC End
2025-09-20 03:49:22.152
MJD Start
60938.1588397278
MJD End
60938.159284172245
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002515
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.81
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 90.3110 90.2920 113.4000 113.4000
A0-J2 128.2560 128.3110 92.9000 92.9000
A0-K0 122.7590 122.8790 72.7330 72.7430
G1-J2 53.9740 54.0380 56.9000 56.9000
G1-K0 80.0660 80.1290 25.4020 25.4890
J2-K0 44.2110 44.1930 345.7640 345.8450
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 60938.1588397278
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 90.311
HIERARCH ESO ISS PBL12 END 90.292
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.256
HIERARCH ESO ISS PBL13 END 128.311
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 122.759
HIERARCH ESO ISS PBL14 END 122.879
HIERARCH ESO ISS PBLA14 START 72.733
HIERARCH ESO ISS PBLA14 END 72.743
HIERARCH ESO ISS PBL23 START 53.974
HIERARCH ESO ISS PBL23 END 54.038
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 80.066
HIERARCH ESO ISS PBL24 END 80.129
HIERARCH ESO ISS PBLA24 START 25.402
HIERARCH ESO ISS PBLA24 END 25.489
HIERARCH ESO ISS PBL34 START 44.211
HIERARCH ESO ISS PBL34 END 44.193
HIERARCH ESO ISS PBLA34 START 345.764
HIERARCH ESO ISS PBLA34 END 345.845
HIERARCH ESO ISS AMBI TAU0 START 0.002515
HIERARCH ESO ISS AMBI TAU0 END 0.002515
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81