Exposure
ID
PIONI.2025-09-22T02:23:43.318_1
Header ID
PIONI.2025-09-22T02:23:43.318
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 02:23:43.318
UTC End
2025-09-22 02:24:21.718
MJD Start
60940.0998069234
MJD End
60940.10025136784
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005487
Ambient temperature (°C)
11.66
Seeing (arcsec)
0.56
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 74.2740 74.1680 141.9000 142.1000
A0-J2 97.4120 97.1520 113.4000 113.6000
A0-K0 98.2380 97.9650 84.7070 84.7650
G1-J2 47.8320 47.7310 65.7000 65.7000
G1-K0 85.2570 85.1960 37.6060 37.6260
J2-K0 48.5630 48.5650 10.0170 10.1020
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 60940.0998069234
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 74.274
HIERARCH ESO ISS PBL12 END 74.168
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.1
HIERARCH ESO ISS PBL13 START 97.412
HIERARCH ESO ISS PBL13 END 97.152
HIERARCH ESO ISS PBLA13 START 113.4
HIERARCH ESO ISS PBLA13 END 113.6
HIERARCH ESO ISS PBL14 START 98.238
HIERARCH ESO ISS PBL14 END 97.965
HIERARCH ESO ISS PBLA14 START 84.707
HIERARCH ESO ISS PBLA14 END 84.765
HIERARCH ESO ISS PBL23 START 47.832
HIERARCH ESO ISS PBL23 END 47.731
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 85.257
HIERARCH ESO ISS PBL24 END 85.196
HIERARCH ESO ISS PBLA24 START 37.606
HIERARCH ESO ISS PBLA24 END 37.626
HIERARCH ESO ISS PBL34 START 48.563
HIERARCH ESO ISS PBL34 END 48.565
HIERARCH ESO ISS PBLA34 START 10.017
HIERARCH ESO ISS PBLA34 END 10.102
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 0.56