Exposure
ID
PIONI.2025-06-02T04:24:29.040_1
Header ID
PIONI.2025-06-02T04:24:29.040
Date updated
2025-06-02 04:31:53 UTC+0000
Release date
2026-06-02 04:31:53 UTC+0000
UTC Start
2025-06-02 04:24:29.039
UTC End
2025-06-02 04:25:07.439
MJD Start
60828.1836694377
MJD End
60828.18411388214
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0035835
Ambient temperature (°C)
11.14
Seeing (arcsec)
1.06
Observation
ID
67692
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
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50344
Name
HD173282
RA
281.327302
DEC
-21.00179
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.9600 46.9870 141.5000 141.6000
A0-J2 109.0720 109.2980 79.2000 79.3000
A0-J6 165.1760 165.1950 8.4950 8.6130
B5-J2 96.6440 96.7960 53.7000 53.9000
B5-J6 200.1860 200.1840 358.6230 358.7210
J2-J6 165.1910 165.2420 329.9430 329.9860
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 60828.1836694377
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.327302
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.96
HIERARCH ESO ISS PBL12 END 46.987
HIERARCH ESO ISS PBLA12 START 141.5
HIERARCH ESO ISS PBLA12 END 141.6
HIERARCH ESO ISS PBL13 START 109.072
HIERARCH ESO ISS PBL13 END 109.298
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.3
HIERARCH ESO ISS PBL14 START 165.176
HIERARCH ESO ISS PBL14 END 165.195
HIERARCH ESO ISS PBLA14 START 8.495
HIERARCH ESO ISS PBLA14 END 8.613
HIERARCH ESO ISS PBL23 START 96.644
HIERARCH ESO ISS PBL23 END 96.796
HIERARCH ESO ISS PBLA23 START 53.7
HIERARCH ESO ISS PBLA23 END 53.9
HIERARCH ESO ISS PBL24 START 200.186
HIERARCH ESO ISS PBL24 END 200.184
HIERARCH ESO ISS PBLA24 START 358.623
HIERARCH ESO ISS PBLA24 END 358.721
HIERARCH ESO ISS PBL34 START 165.191
HIERARCH ESO ISS PBL34 END 165.242
HIERARCH ESO ISS PBLA34 START 329.943
HIERARCH ESO ISS PBLA34 END 329.986
HIERARCH ESO ISS AMBI TAU0 START 0.003764
HIERARCH ESO ISS AMBI TAU0 END 0.003403
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 1.05