Exposure
ID
PIONI.2025-07-22T08:13:03.632_1
Header ID
PIONI.2025-07-22T08:13:03.632
Date updated
2025-07-22 08:20:45 UTC+0000
Release date
2026-07-22 08:20:45 UTC+0000
UTC Start
2025-07-22 08:13:03.632
UTC End
2025-07-22 08:13:42.032
MJD Start
60878.342403146
MJD End
60878.342847590444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008337
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.29500000000000004
Observation
ID
68916
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
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
51279
Name
16Psc
RA
354.095305
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 89.0450 88.9920 113.5000 113.5000
A0-J2 129.2360 129.2340 92.6000 92.6000
A0-K0 126.1820 126.2540 72.9380 72.9440
G1-J2 55.9640 56.0120 57.9000 58.0000
G1-K0 82.3060 82.3700 28.2460 28.3240
J2-K0 43.6380 43.6230 348.7930 348.8880
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 60878.342403146
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095305
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 89.045
HIERARCH ESO ISS PBL12 END 88.992
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 129.236
HIERARCH ESO ISS PBL13 END 129.234
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 126.182
HIERARCH ESO ISS PBL14 END 126.254
HIERARCH ESO ISS PBLA14 START 72.938
HIERARCH ESO ISS PBLA14 END 72.944
HIERARCH ESO ISS PBL23 START 55.964
HIERARCH ESO ISS PBL23 END 56.012
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 82.306
HIERARCH ESO ISS PBL24 END 82.37
HIERARCH ESO ISS PBLA24 START 28.246
HIERARCH ESO ISS PBLA24 END 28.324
HIERARCH ESO ISS PBL34 START 43.638
HIERARCH ESO ISS PBL34 END 43.623
HIERARCH ESO ISS PBLA34 START 348.793
HIERARCH ESO ISS PBLA34 END 348.888
HIERARCH ESO ISS AMBI TAU0 START 0.008337
HIERARCH ESO ISS AMBI TAU0 END 0.008337
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.31