Exposure
ID
PIONI.2025-07-23T05:03:45.896_1
Header ID
PIONI.2025-07-23T05:03:45.896
Date updated
2025-07-23 05:10:43 UTC+0000
Release date
2026-07-23 05:10:43 UTC+0000
UTC Start
2025-07-23 05:03:45.896
UTC End
2025-07-23 05:04:24.296
MJD Start
60879.2109478656
MJD End
60879.21139231004
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003889
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.58
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 84.2000 84.1120 127.6000 127.7000
A0-J2 118.6880 118.5210 102.6000 102.6000
A0-K0 119.1750 119.0220 79.0540 79.1130
G1-J2 55.3970 55.3430 62.5000 62.5000
G1-K0 89.4780 89.4520 34.2010 34.2510
J2-K0 48.4420 48.4430 1.3660 1.4570
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 60879.2109478656
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 84.2
HIERARCH ESO ISS PBL12 END 84.112
HIERARCH ESO ISS PBLA12 START 127.6
HIERARCH ESO ISS PBLA12 END 127.7
HIERARCH ESO ISS PBL13 START 118.688
HIERARCH ESO ISS PBL13 END 118.521
HIERARCH ESO ISS PBLA13 START 102.6
HIERARCH ESO ISS PBLA13 END 102.6
HIERARCH ESO ISS PBL14 START 119.175
HIERARCH ESO ISS PBL14 END 119.022
HIERARCH ESO ISS PBLA14 START 79.054
HIERARCH ESO ISS PBLA14 END 79.113
HIERARCH ESO ISS PBL23 START 55.397
HIERARCH ESO ISS PBL23 END 55.343
HIERARCH ESO ISS PBLA23 START 62.5
HIERARCH ESO ISS PBLA23 END 62.5
HIERARCH ESO ISS PBL24 START 89.478
HIERARCH ESO ISS PBL24 END 89.452
HIERARCH ESO ISS PBLA24 START 34.201
HIERARCH ESO ISS PBLA24 END 34.251
HIERARCH ESO ISS PBL34 START 48.442
HIERARCH ESO ISS PBL34 END 48.443
HIERARCH ESO ISS PBLA34 START 1.366
HIERARCH ESO ISS PBLA34 END 1.457
HIERARCH ESO ISS AMBI TAU0 START 0.003889
HIERARCH ESO ISS AMBI TAU0 END 0.003889
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58