Exposure
ID
PIONI.2025-08-29T04:13:26.204_1
Header ID
PIONI.2025-08-29T04:13:26.204
Date updated
2025-08-29 04:20:45 UTC+0000
Release date
2026-08-29 04:20:44 UTC+0000
UTC Start
2025-08-29 04:13:26.204
UTC End
2025-08-29 04:14:04.604
MJD Start
60916.1759977266
MJD End
60916.17644217104
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005817
Ambient temperature (°C)
12.05
Seeing (arcsec)
0.395
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
JONÁK / 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 72.3030 72.2000 145.4000 145.6000
A0-J2 92.4250 92.1550 116.2000 116.4000
A0-K0 92.9250 92.6320 85.8210 85.8820
G1-J2 45.8550 45.7460 65.9000 66.0000
G1-K0 84.0310 83.9620 37.9130 37.9260
J2-K0 48.5940 48.5950 11.5850 11.6670
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 60916.1759977266
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 72.303
HIERARCH ESO ISS PBL12 END 72.2
HIERARCH ESO ISS PBLA12 START 145.4
HIERARCH ESO ISS PBLA12 END 145.6
HIERARCH ESO ISS PBL13 START 92.425
HIERARCH ESO ISS PBL13 END 92.155
HIERARCH ESO ISS PBLA13 START 116.2
HIERARCH ESO ISS PBLA13 END 116.4
HIERARCH ESO ISS PBL14 START 92.925
HIERARCH ESO ISS PBL14 END 92.632
HIERARCH ESO ISS PBLA14 START 85.821
HIERARCH ESO ISS PBLA14 END 85.882
HIERARCH ESO ISS PBL23 START 45.855
HIERARCH ESO ISS PBL23 END 45.746
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 84.031
HIERARCH ESO ISS PBL24 END 83.962
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 11.585
HIERARCH ESO ISS PBLA34 END 11.667
HIERARCH ESO ISS AMBI TAU0 START 0.005817
HIERARCH ESO ISS AMBI TAU0 END 0.005817
HIERARCH ESO ISS AMBI TEMP 12.05
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.41