Exposure
ID
PIONI.2025-08-29T09:25:34.808_1
Header ID
PIONI.2025-08-29T09:25:34.808
Date updated
2025-08-29 09:35:39 UTC+0000
Release date
2026-08-29 09:35:39 UTC+0000
UTC Start
2025-08-29 09:25:34.807
UTC End
2025-08-29 09:26:13.207
MJD Start
60916.3927639755
MJD End
60916.39320841994
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00273
Ambient temperature (°C)
9.88
Seeing (arcsec)
1.09
Observation
ID
70155
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
52054
Name
zetHor
RA
40.163466
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 89.5890 89.6120 119.4000 119.6000
A0-J2 128.9960 128.9790 99.3000 99.5000
A0-K0 124.1310 124.0670 80.0310 80.1930
G1-J2 54.4100 54.3710 64.9000 65.0000
G1-K0 79.0530 79.0010 34.0300 34.1420
J2-K0 42.7170 42.7220 353.2440 353.3460
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 60916.3927639755
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163466
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 89.589
HIERARCH ESO ISS PBL12 END 89.612
HIERARCH ESO ISS PBLA12 START 119.4
HIERARCH ESO ISS PBLA12 END 119.6
HIERARCH ESO ISS PBL13 START 128.996
HIERARCH ESO ISS PBL13 END 128.979
HIERARCH ESO ISS PBLA13 START 99.3
HIERARCH ESO ISS PBLA13 END 99.5
HIERARCH ESO ISS PBL14 START 124.131
HIERARCH ESO ISS PBL14 END 124.067
HIERARCH ESO ISS PBLA14 START 80.031
HIERARCH ESO ISS PBLA14 END 80.193
HIERARCH ESO ISS PBL23 START 54.41
HIERARCH ESO ISS PBL23 END 54.371
HIERARCH ESO ISS PBLA23 START 64.9
HIERARCH ESO ISS PBLA23 END 65.0
HIERARCH ESO ISS PBL24 START 79.053
HIERARCH ESO ISS PBL24 END 79.001
HIERARCH ESO ISS PBLA24 START 34.03
HIERARCH ESO ISS PBLA24 END 34.142
HIERARCH ESO ISS PBL34 START 42.717
HIERARCH ESO ISS PBL34 END 42.722
HIERARCH ESO ISS PBLA34 START 353.244
HIERARCH ESO ISS PBLA34 END 353.346
HIERARCH ESO ISS AMBI TAU0 START 0.00273
HIERARCH ESO ISS AMBI TAU0 END 0.00273
HIERARCH ESO ISS AMBI TEMP 9.88
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.09