Exposure
ID
PIONI.2025-09-22T03:26:24.177_1
Header ID
PIONI.2025-09-22T03:26:24.177
Date updated
2025-09-22 03:30:51 UTC+0000
Release date
2026-09-22 03:30:50 UTC+0000
UTC Start
2025-09-22 03:26:24.177
UTC End
2025-09-22 03:27:02.577
MJD Start
60940.1433353815
MJD End
60940.14377982594
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007013
Ambient temperature (°C)
11.23
Seeing (arcsec)
0.54
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 90.5050 90.5020 113.5000 113.5000
A0-J2 126.9990 127.0820 93.0000 93.0000
A0-K0 120.3560 120.5000 72.5210 72.5350
G1-J2 52.7480 52.8200 56.2000 56.2000
G1-K0 78.9300 78.9930 23.7550 23.8500
J2-K0 44.5360 44.5170 344.3340 344.4120
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 60940.1433353815
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 90.505
HIERARCH ESO ISS PBL12 END 90.502
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.999
HIERARCH ESO ISS PBL13 END 127.082
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 120.356
HIERARCH ESO ISS PBL14 END 120.5
HIERARCH ESO ISS PBLA14 START 72.521
HIERARCH ESO ISS PBLA14 END 72.535
HIERARCH ESO ISS PBL23 START 52.748
HIERARCH ESO ISS PBL23 END 52.82
HIERARCH ESO ISS PBLA23 START 56.2
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 78.93
HIERARCH ESO ISS PBL24 END 78.993
HIERARCH ESO ISS PBLA24 START 23.755
HIERARCH ESO ISS PBLA24 END 23.85
HIERARCH ESO ISS PBL34 START 44.536
HIERARCH ESO ISS PBL34 END 44.517
HIERARCH ESO ISS PBLA34 START 344.334
HIERARCH ESO ISS PBLA34 END 344.412
HIERARCH ESO ISS AMBI TAU0 START 0.007013
HIERARCH ESO ISS AMBI TAU0 END 0.007013
HIERARCH ESO ISS AMBI TEMP 11.23
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.57