Exposure
ID
PIONI.2025-07-23T07:44:55.027_1
Header ID
PIONI.2025-07-23T07:44:55.027
Date updated
2025-07-23 07:50:57 UTC+0000
Release date
2026-07-23 07:50:57 UTC+0000
UTC Start
2025-07-23 07:44:55.027
UTC End
2025-07-23 07:45:33.427
MJD Start
60879.3228591117
MJD End
60879.32330355614
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00636
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.42500000000000004
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 90.1970 90.1720 113.4000 113.4000
A0-J2 128.5270 128.5740 92.8000 92.8000
A0-K0 123.3770 123.4930 72.7820 72.7870
G1-J2 54.3060 54.3690 57.1000 57.1000
G1-K0 80.4000 80.4650 25.8590 25.9420
J2-K0 44.1200 44.1020 346.1980 346.2780
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 60879.3228591117
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 90.197
HIERARCH ESO ISS PBL12 END 90.172
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.527
HIERARCH ESO ISS PBL13 END 128.574
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 123.377
HIERARCH ESO ISS PBL14 END 123.493
HIERARCH ESO ISS PBLA14 START 72.782
HIERARCH ESO ISS PBLA14 END 72.787
HIERARCH ESO ISS PBL23 START 54.306
HIERARCH ESO ISS PBL23 END 54.369
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 80.4
HIERARCH ESO ISS PBL24 END 80.465
HIERARCH ESO ISS PBLA24 START 25.859
HIERARCH ESO ISS PBLA24 END 25.942
HIERARCH ESO ISS PBL34 START 44.12
HIERARCH ESO ISS PBL34 END 44.102
HIERARCH ESO ISS PBLA34 START 346.198
HIERARCH ESO ISS PBLA34 END 346.278
HIERARCH ESO ISS AMBI TAU0 START 0.00636
HIERARCH ESO ISS AMBI TAU0 END 0.00636
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.45