Exposure
ID
PIONI.2025-09-21T03:04:41.880_1
Header ID
PIONI.2025-09-21T03:04:41.880
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 03:04:41.880
UTC End
2025-09-21 03:05:20.280
MJD Start
60939.128262498
MJD End
60939.12870694244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002283
Ambient temperature (°C)
10.98
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 90.1020 90.1300 113.9000 113.9000
A0-J2 123.5280 123.6630 93.4000 93.4000
A0-K0 115.0300 115.2190 71.9410 71.9640
G1-J2 50.2500 50.3350 54.5000 54.6000
G1-K0 76.9890 77.0480 20.4970 20.6070
J2-K0 45.1490 45.1290 341.9970 342.0680
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 60939.128262498
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 90.102
HIERARCH ESO ISS PBL12 END 90.13
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 113.9
HIERARCH ESO ISS PBL13 START 123.528
HIERARCH ESO ISS PBL13 END 123.663
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 115.03
HIERARCH ESO ISS PBL14 END 115.219
HIERARCH ESO ISS PBLA14 START 71.941
HIERARCH ESO ISS PBLA14 END 71.964
HIERARCH ESO ISS PBL23 START 50.25
HIERARCH ESO ISS PBL23 END 50.335
HIERARCH ESO ISS PBLA23 START 54.5
HIERARCH ESO ISS PBLA23 END 54.6
HIERARCH ESO ISS PBL24 START 76.989
HIERARCH ESO ISS PBL24 END 77.048
HIERARCH ESO ISS PBLA24 START 20.497
HIERARCH ESO ISS PBLA24 END 20.607
HIERARCH ESO ISS PBL34 START 45.149
HIERARCH ESO ISS PBL34 END 45.129
HIERARCH ESO ISS PBLA34 START 341.997
HIERARCH ESO ISS PBLA34 END 342.068
HIERARCH ESO ISS AMBI TAU0 START 0.002283
HIERARCH ESO ISS AMBI TAU0 END 0.002283
HIERARCH ESO ISS AMBI TEMP 10.98
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63