Exposure
ID
PIONI.2025-06-17T09:42:27.642_1
Header ID
PIONI.2025-06-17T09:42:27.642
Date updated
2025-06-17 09:50:44 UTC+0000
Release date
2026-06-17 09:50:44 UTC+0000
UTC Start
2025-06-17 09:42:27.642
UTC End
2025-06-17 09:43:06.042
MJD Start
60843.4044866022
MJD End
60843.40493104664
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003446
Ambient temperature (°C)
6.08
Seeing (arcsec)
0.88
Observation
ID
68127
Category
science
Program ID
115.28F2.002
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
50638
Name
zetHor
RA
40.163463
DEC
-54.54988
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 62.9110 63.0310 62.6000 62.8000
A0-J2 109.6460 109.7340 38.5000 38.8000
A0-K0 123.1430 123.1710 22.4500 22.6480
G1-J2 58.1330 58.1350 12.4000 12.6000
G1-K0 85.2910 85.2980 354.0740 354.1990
J2-K0 35.2290 35.2710 322.8030 322.8790
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60843.4044866022
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163463
DEC -54.54988
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 62.911
HIERARCH ESO ISS PBL12 END 63.031
HIERARCH ESO ISS PBLA12 START 62.6
HIERARCH ESO ISS PBLA12 END 62.8
HIERARCH ESO ISS PBL13 START 109.646
HIERARCH ESO ISS PBL13 END 109.734
HIERARCH ESO ISS PBLA13 START 38.5
HIERARCH ESO ISS PBLA13 END 38.8
HIERARCH ESO ISS PBL14 START 123.143
HIERARCH ESO ISS PBL14 END 123.171
HIERARCH ESO ISS PBLA14 START 22.45
HIERARCH ESO ISS PBLA14 END 22.648
HIERARCH ESO ISS PBL23 START 58.133
HIERARCH ESO ISS PBL23 END 58.135
HIERARCH ESO ISS PBLA23 START 12.4
HIERARCH ESO ISS PBLA23 END 12.6
HIERARCH ESO ISS PBL24 START 85.291
HIERARCH ESO ISS PBL24 END 85.298
HIERARCH ESO ISS PBLA24 START 354.074
HIERARCH ESO ISS PBLA24 END 354.199
HIERARCH ESO ISS PBL34 START 35.229
HIERARCH ESO ISS PBL34 END 35.271
HIERARCH ESO ISS PBLA34 START 322.803
HIERARCH ESO ISS PBLA34 END 322.879
HIERARCH ESO ISS AMBI TAU0 START 0.003446
HIERARCH ESO ISS AMBI TAU0 END 0.003446
HIERARCH ESO ISS AMBI TEMP 6.08
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88