Exposure
ID
PIONI.2025-09-21T03:03:51.447_1
Header ID
PIONI.2025-09-21T03:03:51.447
Date updated
2025-09-21 03:10:55 UTC+0000
Release date
2026-09-21 03:10:55 UTC+0000
UTC Start
2025-09-21 03:03:51.446
UTC End
2025-09-21 03:04:29.846
MJD Start
60939.1276787776
MJD End
60939.12812322204
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002283
Ambient temperature (°C)
11.03
Seeing (arcsec)
0.63
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 90.0730 90.1010 113.9000 113.9000
A0-J2 123.3900 123.5230 93.4000 93.4000
A0-K0 114.8350 115.0220 71.9170 71.9400
G1-J2 50.1630 50.2470 54.4000 54.5000
G1-K0 76.9280 76.9860 20.3840 20.4930
J2-K0 45.1690 45.1500 341.9260 341.9950
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 60939.1276787776
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 90.073
HIERARCH ESO ISS PBL12 END 90.101
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 113.9
HIERARCH ESO ISS PBL13 START 123.39
HIERARCH ESO ISS PBL13 END 123.523
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 114.835
HIERARCH ESO ISS PBL14 END 115.022
HIERARCH ESO ISS PBLA14 START 71.917
HIERARCH ESO ISS PBLA14 END 71.94
HIERARCH ESO ISS PBL23 START 50.163
HIERARCH ESO ISS PBL23 END 50.247
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 76.928
HIERARCH ESO ISS PBL24 END 76.986
HIERARCH ESO ISS PBLA24 START 20.384
HIERARCH ESO ISS PBLA24 END 20.493
HIERARCH ESO ISS PBL34 START 45.169
HIERARCH ESO ISS PBL34 END 45.15
HIERARCH ESO ISS PBLA34 START 341.926
HIERARCH ESO ISS PBLA34 END 341.995
HIERARCH ESO ISS AMBI TAU0 START 0.002283
HIERARCH ESO ISS AMBI TAU0 END 0.002283
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63