Exposure
ID
PIONI.2025-09-21T03:07:13.438_1
Header ID
PIONI.2025-09-21T03:07:13.438
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 03:07:13.438
UTC End
2025-09-21 03:07:51.838
MJD Start
60939.1300166436
MJD End
60939.13046108804
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002283
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.7
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 90.1840 90.2090 113.8000 113.8000
A0-J2 123.9410 124.0700 93.3000 93.3000
A0-K0 115.6140 115.8000 72.0110 72.0330
G1-J2 50.5140 50.5980 54.7000 54.8000
G1-K0 77.1740 77.2340 20.8370 20.9460
J2-K0 45.0870 45.0670 342.2160 342.2870
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 60939.1300166436
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 90.184
HIERARCH ESO ISS PBL12 END 90.209
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 123.941
HIERARCH ESO ISS PBL13 END 124.07
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 115.614
HIERARCH ESO ISS PBL14 END 115.8
HIERARCH ESO ISS PBLA14 START 72.011
HIERARCH ESO ISS PBLA14 END 72.033
HIERARCH ESO ISS PBL23 START 50.514
HIERARCH ESO ISS PBL23 END 50.598
HIERARCH ESO ISS PBLA23 START 54.7
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 77.174
HIERARCH ESO ISS PBL24 END 77.234
HIERARCH ESO ISS PBLA24 START 20.837
HIERARCH ESO ISS PBLA24 END 20.946
HIERARCH ESO ISS PBL34 START 45.087
HIERARCH ESO ISS PBL34 END 45.067
HIERARCH ESO ISS PBLA34 START 342.216
HIERARCH ESO ISS PBLA34 END 342.287
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 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7