Exposure
ID
PIONI.2025-08-23T05:23:14.905_1
Header ID
PIONI.2025-08-23T05:23:14.905
Date updated
2025-08-23 05:30:43 UTC+0000
Release date
2026-08-23 05:30:43 UTC+0000
UTC Start
2025-08-23 05:23:14.906
UTC End
2025-08-23 05:23:53.306
MJD Start
60910.2244780743
MJD End
60910.22492251874
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003541
Ambient temperature (°C)
2.75
Seeing (arcsec)
0.76
Observation
ID
70079
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
51992
Name
HD173282
RA
281.327304
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 46.8570 46.8610 185.0000 185.1000
A0-J2 76.7350 76.4640 126.9000 127.1000
A0-J6 149.1990 149.0360 38.0760 38.0680
B5-J2 65.4470 65.1500 89.5000 89.5000
B5-J6 190.1880 190.0750 30.3460 30.3600
J2-J6 166.3680 166.3820 10.6080 10.7060
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 60910.2244780743
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.327304
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 46.857
HIERARCH ESO ISS PBL12 END 46.861
HIERARCH ESO ISS PBLA12 START 185.0
HIERARCH ESO ISS PBLA12 END 185.1
HIERARCH ESO ISS PBL13 START 76.735
HIERARCH ESO ISS PBL13 END 76.464
HIERARCH ESO ISS PBLA13 START 126.9
HIERARCH ESO ISS PBLA13 END 127.1
HIERARCH ESO ISS PBL14 START 149.199
HIERARCH ESO ISS PBL14 END 149.036
HIERARCH ESO ISS PBLA14 START 38.076
HIERARCH ESO ISS PBLA14 END 38.068
HIERARCH ESO ISS PBL23 START 65.447
HIERARCH ESO ISS PBL23 END 65.15
HIERARCH ESO ISS PBLA23 START 89.5
HIERARCH ESO ISS PBLA23 END 89.5
HIERARCH ESO ISS PBL24 START 190.188
HIERARCH ESO ISS PBL24 END 190.075
HIERARCH ESO ISS PBLA24 START 30.346
HIERARCH ESO ISS PBLA24 END 30.36
HIERARCH ESO ISS PBL34 START 166.368
HIERARCH ESO ISS PBL34 END 166.382
HIERARCH ESO ISS PBLA34 START 10.608
HIERARCH ESO ISS PBLA34 END 10.706
HIERARCH ESO ISS AMBI TAU0 START 0.003541
HIERARCH ESO ISS AMBI TAU0 END 0.003541
HIERARCH ESO ISS AMBI TEMP 2.75
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76