Exposure
ID
PIONI.2025-09-20T03:47:53.503_1
Header ID
PIONI.2025-09-20T03:47:53.503
Date updated
2025-09-20 03:55:54 UTC+0000
Release date
2026-09-20 03:55:54 UTC+0000
UTC Start
2025-09-20 03:47:53.503
UTC End
2025-09-20 03:48:31.903
MJD Start
60938.1582581401
MJD End
60938.158702584544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002515
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.805
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 90.3310 90.3120 113.4000 113.4000
A0-J2 128.1960 128.2540 92.9000 92.9000
A0-K0 122.6300 122.7540 72.7190 72.7330
G1-J2 53.9060 53.9710 56.9000 56.9000
G1-K0 79.9980 80.0630 25.3050 25.3980
J2-K0 44.2290 44.2110 345.6740 345.7610
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 60938.1582581401
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 90.331
HIERARCH ESO ISS PBL12 END 90.312
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.196
HIERARCH ESO ISS PBL13 END 128.254
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 122.63
HIERARCH ESO ISS PBL14 END 122.754
HIERARCH ESO ISS PBLA14 START 72.719
HIERARCH ESO ISS PBLA14 END 72.733
HIERARCH ESO ISS PBL23 START 53.906
HIERARCH ESO ISS PBL23 END 53.971
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 79.998
HIERARCH ESO ISS PBL24 END 80.063
HIERARCH ESO ISS PBLA24 START 25.305
HIERARCH ESO ISS PBLA24 END 25.398
HIERARCH ESO ISS PBL34 START 44.229
HIERARCH ESO ISS PBL34 END 44.211
HIERARCH ESO ISS PBLA34 START 345.674
HIERARCH ESO ISS PBLA34 END 345.761
HIERARCH ESO ISS AMBI TAU0 START 0.002515
HIERARCH ESO ISS AMBI TAU0 END 0.002515
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.81