Exposure
ID
PIONI.2025-07-19T06:54:41.388_1
Header ID
PIONI.2025-07-19T06:54:41.388
Date updated
2025-07-19 07:00:39 UTC+0000
Release date
2026-07-19 07:00:39 UTC+0000
UTC Start
2025-07-19 06:54:41.388
UTC End
2025-07-19 06:55:19.788
MJD Start
60875.2879790287
MJD End
60875.28842347314
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002797
Ambient temperature (°C)
12.97
Seeing (arcsec)
1.37
Observation
ID
68861
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
51230
Name
HD173282
RA
281.326708
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 72.2980 72.1950 145.4000 145.6000
A0-J2 92.4130 92.1430 116.2000 116.4000
A0-K0 92.9130 92.6190 85.8230 85.8840
G1-J2 45.8510 45.7410 65.9000 66.0000
G1-K0 84.0280 83.9590 37.9130 37.9260
J2-K0 48.5940 48.5950 11.5890 11.6710
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 60875.2879790287
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326708
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 72.298
HIERARCH ESO ISS PBL12 END 72.195
HIERARCH ESO ISS PBLA12 START 145.4
HIERARCH ESO ISS PBLA12 END 145.6
HIERARCH ESO ISS PBL13 START 92.413
HIERARCH ESO ISS PBL13 END 92.143
HIERARCH ESO ISS PBLA13 START 116.2
HIERARCH ESO ISS PBLA13 END 116.4
HIERARCH ESO ISS PBL14 START 92.913
HIERARCH ESO ISS PBL14 END 92.619
HIERARCH ESO ISS PBLA14 START 85.823
HIERARCH ESO ISS PBLA14 END 85.884
HIERARCH ESO ISS PBL23 START 45.851
HIERARCH ESO ISS PBL23 END 45.741
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 84.028
HIERARCH ESO ISS PBL24 END 83.959
HIERARCH ESO ISS PBLA24 START 37.913
HIERARCH ESO ISS PBLA24 END 37.926
HIERARCH ESO ISS PBL34 START 48.594
HIERARCH ESO ISS PBL34 END 48.595
HIERARCH ESO ISS PBLA34 START 11.589
HIERARCH ESO ISS PBLA34 END 11.671
HIERARCH ESO ISS AMBI TAU0 START 0.002797
HIERARCH ESO ISS AMBI TAU0 END 0.002797
HIERARCH ESO ISS AMBI TEMP 12.97
HIERARCH ESO ISS AMBI FWHM START 1.37
HIERARCH ESO ISS AMBI FWHM END 1.37