Exposure
ID
PIONI.2025-09-21T02:35:44.851_1
Header ID
PIONI.2025-09-21T02:35:44.851
Date updated
2025-09-21 02:46:00 UTC+0000
Release date
2026-09-21 02:46:00 UTC+0000
UTC Start
2025-09-21 02:35:44.851
UTC End
2025-09-21 02:36:23.251
MJD Start
60939.1081580003
MJD End
60939.10860244474
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002307
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.79
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 73.2300 73.1250 143.7000 143.9000
A0-J2 94.8140 94.5480 114.9000 115.0000
A0-K0 95.4920 95.2080 85.2890 85.3480
G1-J2 46.8120 46.7070 65.8000 65.8000
G1-K0 84.6290 84.5640 37.7820 37.7980
J2-K0 48.5790 48.5810 10.8470 10.9300
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 60939.1081580003
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 73.23
HIERARCH ESO ISS PBL12 END 73.125
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.9
HIERARCH ESO ISS PBL13 START 94.814
HIERARCH ESO ISS PBL13 END 94.548
HIERARCH ESO ISS PBLA13 START 114.9
HIERARCH ESO ISS PBLA13 END 115.0
HIERARCH ESO ISS PBL14 START 95.492
HIERARCH ESO ISS PBL14 END 95.208
HIERARCH ESO ISS PBLA14 START 85.289
HIERARCH ESO ISS PBLA14 END 85.348
HIERARCH ESO ISS PBL23 START 46.812
HIERARCH ESO ISS PBL23 END 46.707
HIERARCH ESO ISS PBLA23 START 65.8
HIERARCH ESO ISS PBLA23 END 65.8
HIERARCH ESO ISS PBL24 START 84.629
HIERARCH ESO ISS PBL24 END 84.564
HIERARCH ESO ISS PBLA24 START 37.782
HIERARCH ESO ISS PBLA24 END 37.798
HIERARCH ESO ISS PBL34 START 48.579
HIERARCH ESO ISS PBL34 END 48.581
HIERARCH ESO ISS PBLA34 START 10.847
HIERARCH ESO ISS PBLA34 END 10.93
HIERARCH ESO ISS AMBI TAU0 START 0.002307
HIERARCH ESO ISS AMBI TAU0 END 0.002307
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79