Exposure
ID
PIONI.2025-08-26T05:25:30.700_1
Header ID
PIONI.2025-08-26T05:25:30.700
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 05:25:30.700
UTC End
2025-08-26 05:26:09.100
MJD Start
60913.2260497711
MJD End
60913.226494215545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004438
Ambient temperature (°C)
13.96
Seeing (arcsec)
0.88
Observation
ID
70085
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
51998
Name
zetHor
RA
40.164424
DEC
-54.54988
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 32.0300 32.0950 119.2000 119.3000
A0-J2 111.6720 111.7630 43.5000 43.7000
A0-J6 160.1730 160.1790 356.8680 356.9900
B5-J2 108.3230 108.3490 26.8000 27.0000
B5-J6 179.3640 179.4020 348.1930 348.2970
J2-J6 116.4150 116.5960 312.6770 312.7580
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 60913.2260497711
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.164424
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 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 32.03
HIERARCH ESO ISS PBL12 END 32.095
HIERARCH ESO ISS PBLA12 START 119.2
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 111.672
HIERARCH ESO ISS PBL13 END 111.763
HIERARCH ESO ISS PBLA13 START 43.5
HIERARCH ESO ISS PBLA13 END 43.7
HIERARCH ESO ISS PBL14 START 160.173
HIERARCH ESO ISS PBL14 END 160.179
HIERARCH ESO ISS PBLA14 START 356.868
HIERARCH ESO ISS PBLA14 END 356.99
HIERARCH ESO ISS PBL23 START 108.323
HIERARCH ESO ISS PBL23 END 108.349
HIERARCH ESO ISS PBLA23 START 26.8
HIERARCH ESO ISS PBLA23 END 27.0
HIERARCH ESO ISS PBL24 START 179.364
HIERARCH ESO ISS PBL24 END 179.402
HIERARCH ESO ISS PBLA24 START 348.193
HIERARCH ESO ISS PBLA24 END 348.297
HIERARCH ESO ISS PBL34 START 116.415
HIERARCH ESO ISS PBL34 END 116.596
HIERARCH ESO ISS PBLA34 START 312.677
HIERARCH ESO ISS PBLA34 END 312.758
HIERARCH ESO ISS AMBI TAU0 START 0.004438
HIERARCH ESO ISS AMBI TAU0 END 0.004438
HIERARCH ESO ISS AMBI TEMP 13.96
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88