Exposure
ID
PIONI.2025-09-21T04:27:29.134_1
Header ID
PIONI.2025-09-21T04:27:29.134
Date updated
2025-09-21 04:35:53 UTC+0000
Release date
2026-09-21 04:35:52 UTC+0000
UTC Start
2025-09-21 04:27:29.135
UTC End
2025-09-21 04:28:07.535
MJD Start
60939.1857538745
MJD End
60939.186198318945
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002189
Ambient temperature (°C)
11.1
Seeing (arcsec)
0.615
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 87.9760 87.9070 113.6000 113.7000
A0-J2 128.9780 128.9490 92.4000 92.4000
A0-K0 127.2310 127.2760 72.9480 72.9460
G1-J2 56.7350 56.7740 58.3000 58.3000
G1-K0 83.3990 83.4590 29.4820 29.5470
J2-K0 43.3930 43.3800 350.4120 350.5040
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 60939.1857538745
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 87.976
HIERARCH ESO ISS PBL12 END 87.907
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 128.978
HIERARCH ESO ISS PBL13 END 128.949
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 127.231
HIERARCH ESO ISS PBL14 END 127.276
HIERARCH ESO ISS PBLA14 START 72.948
HIERARCH ESO ISS PBLA14 END 72.946
HIERARCH ESO ISS PBL23 START 56.735
HIERARCH ESO ISS PBL23 END 56.774
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 83.399
HIERARCH ESO ISS PBL24 END 83.459
HIERARCH ESO ISS PBLA24 START 29.482
HIERARCH ESO ISS PBLA24 END 29.547
HIERARCH ESO ISS PBL34 START 43.393
HIERARCH ESO ISS PBL34 END 43.38
HIERARCH ESO ISS PBLA34 START 350.412
HIERARCH ESO ISS PBLA34 END 350.504
HIERARCH ESO ISS AMBI TAU0 START 0.002189
HIERARCH ESO ISS AMBI TAU0 END 0.002189
HIERARCH ESO ISS AMBI TEMP 11.1
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6