Exposure
ID
PIONI.2025-07-21T06:43:42.452_1
Header ID
PIONI.2025-07-21T06:43:42.452
Date updated
2025-07-21 06:50:35 UTC+0000
Release date
2026-07-21 06:50:35 UTC+0000
UTC Start
2025-07-21 06:43:42.452
UTC End
2025-07-21 06:44:20.852
MJD Start
60877.2803524495
MJD End
60877.280796893945
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006863
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.43
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 72.6930 72.5920 144.7000 144.9000
A0-J2 93.4420 93.1790 115.6000 115.8000
A0-K0 94.0230 93.7400 85.5950 85.6530
G1-J2 46.2650 46.1600 65.9000 65.9000
G1-K0 84.2880 84.2220 37.8610 37.8750
J2-K0 48.5880 48.5890 11.2740 11.3540
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 60877.2803524495
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 72.693
HIERARCH ESO ISS PBL12 END 72.592
HIERARCH ESO ISS PBLA12 START 144.7
HIERARCH ESO ISS PBLA12 END 144.9
HIERARCH ESO ISS PBL13 START 93.442
HIERARCH ESO ISS PBL13 END 93.179
HIERARCH ESO ISS PBLA13 START 115.6
HIERARCH ESO ISS PBLA13 END 115.8
HIERARCH ESO ISS PBL14 START 94.023
HIERARCH ESO ISS PBL14 END 93.74
HIERARCH ESO ISS PBLA14 START 85.595
HIERARCH ESO ISS PBLA14 END 85.653
HIERARCH ESO ISS PBL23 START 46.265
HIERARCH ESO ISS PBL23 END 46.16
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 84.288
HIERARCH ESO ISS PBL24 END 84.222
HIERARCH ESO ISS PBLA24 START 37.861
HIERARCH ESO ISS PBLA24 END 37.875
HIERARCH ESO ISS PBL34 START 48.588
HIERARCH ESO ISS PBL34 END 48.589
HIERARCH ESO ISS PBLA34 START 11.274
HIERARCH ESO ISS PBLA34 END 11.354
HIERARCH ESO ISS AMBI TAU0 START 0.006863
HIERARCH ESO ISS AMBI TAU0 END 0.006863
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43