Exposure
ID
PIONI.2025-07-23T07:17:50.025_1
Header ID
PIONI.2025-07-23T07:17:50.025
Date updated
2025-07-23 07:25:45 UTC+0000
Release date
2026-07-23 07:25:45 UTC+0000
UTC Start
2025-07-23 07:17:50.025
UTC End
2025-07-23 07:18:28.425
MJD Start
60879.3040512204
MJD End
60879.304495664845
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00809
Ambient temperature (°C)
12.82
Seeing (arcsec)
0.3
Observation
ID
68929
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
51289
Name
zetHor
RA
40.163465
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 62.4520 62.5720 61.7000 62.0000
A0-J2 109.3070 109.3950 37.7000 37.9000
A0-K0 123.0370 123.0640 21.7000 21.8960
G1-J2 58.1270 58.1290 11.8000 11.9000
G1-K0 85.2670 85.2740 353.6030 353.7260
J2-K0 35.0690 35.1120 322.5180 322.5920
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 60879.3040512204
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163465
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 62.452
HIERARCH ESO ISS PBL12 END 62.572
HIERARCH ESO ISS PBLA12 START 61.7
HIERARCH ESO ISS PBLA12 END 62.0
HIERARCH ESO ISS PBL13 START 109.307
HIERARCH ESO ISS PBL13 END 109.395
HIERARCH ESO ISS PBLA13 START 37.7
HIERARCH ESO ISS PBLA13 END 37.9
HIERARCH ESO ISS PBL14 START 123.037
HIERARCH ESO ISS PBL14 END 123.064
HIERARCH ESO ISS PBLA14 START 21.7
HIERARCH ESO ISS PBLA14 END 21.896
HIERARCH ESO ISS PBL23 START 58.127
HIERARCH ESO ISS PBL23 END 58.129
HIERARCH ESO ISS PBLA23 START 11.8
HIERARCH ESO ISS PBLA23 END 11.9
HIERARCH ESO ISS PBL24 START 85.267
HIERARCH ESO ISS PBL24 END 85.274
HIERARCH ESO ISS PBLA24 START 353.603
HIERARCH ESO ISS PBLA24 END 353.726
HIERARCH ESO ISS PBL34 START 35.069
HIERARCH ESO ISS PBL34 END 35.112
HIERARCH ESO ISS PBLA34 START 322.518
HIERARCH ESO ISS PBLA34 END 322.592
HIERARCH ESO ISS AMBI TAU0 START 0.00809
HIERARCH ESO ISS AMBI TAU0 END 0.00809
HIERARCH ESO ISS AMBI TEMP 12.82
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3