Exposure
ID
PIONI.2025-06-16T09:37:51.292_1
Header ID
PIONI.2025-06-16T09:37:51.292
Date updated
2025-06-16 09:46:58 UTC+0000
Release date
2026-06-16 09:46:56 UTC+0000
UTC Start
2025-06-16 09:37:51.292
UTC End
2025-06-16 09:38:29.692
MJD Start
60842.4012881033
MJD End
60842.40173254774
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003791
Ambient temperature (°C)
6.54
Seeing (arcsec)
1.14
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 61.6570 61.7760 60.2000 60.4000
A0-J2 108.7330 108.8190 36.2000 36.4000
A0-K0 122.8620 122.8880 20.3750 20.5760
G1-J2 58.1180 58.1200 10.6000 10.8000
G1-K0 85.2160 85.2240 352.7730 352.8990
J2-K0 34.7810 34.8240 322.0140 322.0910
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 60842.4012881033
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 61.657
HIERARCH ESO ISS PBL12 END 61.776
HIERARCH ESO ISS PBLA12 START 60.2
HIERARCH ESO ISS PBLA12 END 60.4
HIERARCH ESO ISS PBL13 START 108.733
HIERARCH ESO ISS PBL13 END 108.819
HIERARCH ESO ISS PBLA13 START 36.2
HIERARCH ESO ISS PBLA13 END 36.4
HIERARCH ESO ISS PBL14 START 122.862
HIERARCH ESO ISS PBL14 END 122.888
HIERARCH ESO ISS PBLA14 START 20.375
HIERARCH ESO ISS PBLA14 END 20.576
HIERARCH ESO ISS PBL23 START 58.118
HIERARCH ESO ISS PBL23 END 58.12
HIERARCH ESO ISS PBLA23 START 10.6
HIERARCH ESO ISS PBLA23 END 10.8
HIERARCH ESO ISS PBL24 START 85.216
HIERARCH ESO ISS PBL24 END 85.224
HIERARCH ESO ISS PBLA24 START 352.773
HIERARCH ESO ISS PBLA24 END 352.899
HIERARCH ESO ISS PBL34 START 34.781
HIERARCH ESO ISS PBL34 END 34.824
HIERARCH ESO ISS PBLA34 START 322.014
HIERARCH ESO ISS PBLA34 END 322.091
HIERARCH ESO ISS AMBI TAU0 START 0.003791
HIERARCH ESO ISS AMBI TAU0 END 0.003791
HIERARCH ESO ISS AMBI TEMP 6.54
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.14