Exposure
ID
PIONI.2025-09-22T02:25:24.352_1
Header ID
PIONI.2025-09-22T02:25:24.352
Date updated
2025-09-22 02:30:53 UTC+0000
Release date
2026-09-22 02:30:53 UTC+0000
UTC Start
2025-09-22 02:25:24.352
UTC End
2025-09-22 02:26:02.752
MJD Start
60940.1009763
MJD End
60940.10142074444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005487
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.55
Observation
ID
70144
Category
science
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
52045
Name
HD173282
RA
281.326709
DEC
-21.00179
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 74.0550 73.9520 142.3000 142.5000
A0-J2 96.8750 96.6190 113.7000 113.9000
A0-K0 97.6740 97.4050 84.8270 84.8850
G1-J2 47.6230 47.5230 65.7000 65.7000
G1-K0 85.1290 85.0680 37.6460 37.6640
J2-K0 48.5660 48.5680 10.1910 10.2740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60940.1009763
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326709
DEC -21.00179
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 74.055
HIERARCH ESO ISS PBL12 END 73.952
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 96.875
HIERARCH ESO ISS PBL13 END 96.619
HIERARCH ESO ISS PBLA13 START 113.7
HIERARCH ESO ISS PBLA13 END 113.9
HIERARCH ESO ISS PBL14 START 97.674
HIERARCH ESO ISS PBL14 END 97.405
HIERARCH ESO ISS PBLA14 START 84.827
HIERARCH ESO ISS PBLA14 END 84.885
HIERARCH ESO ISS PBL23 START 47.623
HIERARCH ESO ISS PBL23 END 47.523
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 85.129
HIERARCH ESO ISS PBL24 END 85.068
HIERARCH ESO ISS PBLA24 START 37.646
HIERARCH ESO ISS PBLA24 END 37.664
HIERARCH ESO ISS PBL34 START 48.566
HIERARCH ESO ISS PBL34 END 48.568
HIERARCH ESO ISS PBLA34 START 10.191
HIERARCH ESO ISS PBLA34 END 10.274
HIERARCH ESO ISS AMBI TAU0 START 0.005487
HIERARCH ESO ISS AMBI TAU0 END 0.005487
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55