Exposure
ID
PIONI.2025-09-22T02:24:33.915_1
Header ID
PIONI.2025-09-22T02:24:33.915
Date updated
2025-09-22 02:30:53 UTC+0000
Release date
2026-09-22 02:30:53 UTC+0000
UTC Start
2025-09-22 02:24:33.914
UTC End
2025-09-22 02:25:12.314
MJD Start
60940.1003925269
MJD End
60940.100836971345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005487
Ambient temperature (°C)
11.66
Seeing (arcsec)
0.555
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
JONAK / 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 74.1660 74.0600 142.1000 142.3000
A0-J2 97.1460 96.8850 113.6000 113.7000
A0-K0 97.9590 97.6850 84.7660 84.8250
G1-J2 47.7290 47.6270 65.7000 65.7000
G1-K0 85.1940 85.1320 37.6260 37.6450
J2-K0 48.5650 48.5660 10.1040 10.1880
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 60940.1003925269
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 74.166
HIERARCH ESO ISS PBL12 END 74.06
HIERARCH ESO ISS PBLA12 START 142.1
HIERARCH ESO ISS PBLA12 END 142.3
HIERARCH ESO ISS PBL13 START 97.146
HIERARCH ESO ISS PBL13 END 96.885
HIERARCH ESO ISS PBLA13 START 113.6
HIERARCH ESO ISS PBLA13 END 113.7
HIERARCH ESO ISS PBL14 START 97.959
HIERARCH ESO ISS PBL14 END 97.685
HIERARCH ESO ISS PBLA14 START 84.766
HIERARCH ESO ISS PBLA14 END 84.825
HIERARCH ESO ISS PBL23 START 47.729
HIERARCH ESO ISS PBL23 END 47.627
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 85.194
HIERARCH ESO ISS PBL24 END 85.132
HIERARCH ESO ISS PBLA24 START 37.626
HIERARCH ESO ISS PBLA24 END 37.645
HIERARCH ESO ISS PBL34 START 48.565
HIERARCH ESO ISS PBL34 END 48.566
HIERARCH ESO ISS PBLA34 START 10.104
HIERARCH ESO ISS PBLA34 END 10.188
HIERARCH ESO ISS AMBI TAU0 START 0.005487
HIERARCH ESO ISS AMBI TAU0 END 0.005487
HIERARCH ESO ISS AMBI TEMP 11.66
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.55