Exposure
ID
PIONI.2025-08-26T05:49:06.656_1
Header ID
PIONI.2025-08-26T05:49:06.656
Date updated
2025-08-26 06:35:35 UTC+0000
Release date
2026-08-26 06:35:34 UTC+0000
UTC Start
2025-08-26 05:49:06.656
UTC End
2025-08-26 05:49:45.056
MJD Start
60913.2424381487
MJD End
60913.24288259314
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004986
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.88
Observation
ID
70082
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
51995
Name
16Psc
RA
354.095859
DEC
2.10257
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.1340 45.1000 147.8000 147.9000
A0-J2 129.1890 129.2010 92.6000 92.6000
A0-J6 153.4300 153.5470 27.6710 27.7470
B5-J2 109.8780 109.9500 72.9000 72.9000
B5-J6 180.3810 180.4640 15.1770 15.2660
J2-J6 153.1300 153.0390 337.8230 337.8990
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 60913.2424381487
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095859
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 45.134
HIERARCH ESO ISS PBL12 END 45.1
HIERARCH ESO ISS PBLA12 START 147.8
HIERARCH ESO ISS PBLA12 END 147.9
HIERARCH ESO ISS PBL13 START 129.189
HIERARCH ESO ISS PBL13 END 129.201
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 153.43
HIERARCH ESO ISS PBL14 END 153.547
HIERARCH ESO ISS PBLA14 START 27.671
HIERARCH ESO ISS PBLA14 END 27.747
HIERARCH ESO ISS PBL23 START 109.878
HIERARCH ESO ISS PBL23 END 109.95
HIERARCH ESO ISS PBLA23 START 72.9
HIERARCH ESO ISS PBLA23 END 72.9
HIERARCH ESO ISS PBL24 START 180.381
HIERARCH ESO ISS PBL24 END 180.464
HIERARCH ESO ISS PBLA24 START 15.177
HIERARCH ESO ISS PBLA24 END 15.266
HIERARCH ESO ISS PBL34 START 153.13
HIERARCH ESO ISS PBL34 END 153.039
HIERARCH ESO ISS PBLA34 START 337.823
HIERARCH ESO ISS PBLA34 END 337.899
HIERARCH ESO ISS AMBI TAU0 START 0.004986
HIERARCH ESO ISS AMBI TAU0 END 0.004986
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.9