Exposure
ID
PIONI.2025-09-22T02:27:05.364_1
Header ID
PIONI.2025-09-22T02:27:05.364
Date updated
2025-09-22 02:35:58 UTC+0000
Release date
2026-09-22 02:35:57 UTC+0000
UTC Start
2025-09-22 02:27:05.364
UTC End
2025-09-22 02:27:43.764
MJD Start
60940.1021454153
MJD End
60940.10258985974
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005487
Ambient temperature (°C)
11.48
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 73.8370 73.7330 142.7000 142.8000
A0-J2 96.3350 96.0780 114.0000 114.2000
A0-K0 97.1060 96.8340 84.9490 85.0060
G1-J2 47.4120 47.3110 65.7000 65.7000
G1-K0 85.0000 84.9380 37.6840 37.7010
J2-K0 48.5700 48.5710 10.3650 10.4470
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 60940.1021454153
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 73.837
HIERARCH ESO ISS PBL12 END 73.733
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 96.335
HIERARCH ESO ISS PBL13 END 96.078
HIERARCH ESO ISS PBLA13 START 114.0
HIERARCH ESO ISS PBLA13 END 114.2
HIERARCH ESO ISS PBL14 START 97.106
HIERARCH ESO ISS PBL14 END 96.834
HIERARCH ESO ISS PBLA14 START 84.949
HIERARCH ESO ISS PBLA14 END 85.006
HIERARCH ESO ISS PBL23 START 47.412
HIERARCH ESO ISS PBL23 END 47.311
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 85.0
HIERARCH ESO ISS PBL24 END 84.938
HIERARCH ESO ISS PBLA24 START 37.684
HIERARCH ESO ISS PBLA24 END 37.701
HIERARCH ESO ISS PBL34 START 48.57
HIERARCH ESO ISS PBL34 END 48.571
HIERARCH ESO ISS PBLA34 START 10.365
HIERARCH ESO ISS PBLA34 END 10.447
HIERARCH ESO ISS AMBI TAU0 START 0.005487
HIERARCH ESO ISS AMBI TAU0 END 0.005487
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.56