Exposure
ID
PIONI.2025-06-17T09:44:08.587_1
Header ID
PIONI.2025-06-17T09:44:08.587
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 09:44:08.587
UTC End
2025-06-17 09:44:46.987
MJD Start
60843.4056549403
MJD End
60843.406099384745
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003446
Ambient temperature (°C)
6.04
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 63.1580 63.2780 63.0000 63.3000
A0-J2 109.8290 109.9180 39.0000 39.2000
A0-K0 123.2000 123.2280 22.8570 23.0550
G1-J2 58.1360 58.1380 12.8000 12.9000
G1-K0 85.3040 85.3110 354.3310 354.4550
J2-K0 35.3160 35.3580 322.9600 323.0360
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 60843.4056549403
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 63.158
HIERARCH ESO ISS PBL12 END 63.278
HIERARCH ESO ISS PBLA12 START 63.0
HIERARCH ESO ISS PBLA12 END 63.3
HIERARCH ESO ISS PBL13 START 109.829
HIERARCH ESO ISS PBL13 END 109.918
HIERARCH ESO ISS PBLA13 START 39.0
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 123.2
HIERARCH ESO ISS PBL14 END 123.228
HIERARCH ESO ISS PBLA14 START 22.857
HIERARCH ESO ISS PBLA14 END 23.055
HIERARCH ESO ISS PBL23 START 58.136
HIERARCH ESO ISS PBL23 END 58.138
HIERARCH ESO ISS PBLA23 START 12.8
HIERARCH ESO ISS PBLA23 END 12.9
HIERARCH ESO ISS PBL24 START 85.304
HIERARCH ESO ISS PBL24 END 85.311
HIERARCH ESO ISS PBLA24 START 354.331
HIERARCH ESO ISS PBLA24 END 354.455
HIERARCH ESO ISS PBL34 START 35.316
HIERARCH ESO ISS PBL34 END 35.358
HIERARCH ESO ISS PBLA34 START 322.96
HIERARCH ESO ISS PBLA34 END 323.036
HIERARCH ESO ISS AMBI TAU0 START 0.003446
HIERARCH ESO ISS AMBI TAU0 END 0.003446
HIERARCH ESO ISS AMBI TEMP 6.04
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88