Exposure
ID
PIONI.2025-12-14T01:44:16.830_1
Header ID
PIONI.2025-12-14T01:44:16.830
Date updated
2025-12-14 01:50:57 UTC+0000
Release date
2026-12-14 01:50:56 UTC+0000
UTC Start
2025-12-14 01:44:16.829
UTC End
2025-12-14 01:44:55.229
MJD Start
61023.0724170073
MJD End
61023.07286145174
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003784
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.7150000000000001
Observation
ID
71951
Category
science
Program ID
116.296R.001
Program Title
WEIGHING SUN-LIKE STARS : HIGH-PRECISION MASSES OF G-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO
Target
ID
53417
Name
HD483
RA
2.329861
DEC
17.53317
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 58.2820 58.0550 105.8000 105.8000
A0-J2 104.4810 104.2260 80.0000 79.9000
A0-K0 120.5760 120.4440 63.7370 63.6440
G1-J2 57.8290 57.8100 54.0000 53.9000
G1-K0 86.5650 86.6190 36.9440 36.9290
J2-K0 35.5980 35.6150 8.4470 8.5640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.296R.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 61023.0724170073
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD483
RA 2.329861
DEC 17.53317
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 58.282
HIERARCH ESO ISS PBL12 END 58.055
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 105.8
HIERARCH ESO ISS PBL13 START 104.481
HIERARCH ESO ISS PBL13 END 104.226
HIERARCH ESO ISS PBLA13 START 80.0
HIERARCH ESO ISS PBLA13 END 79.9
HIERARCH ESO ISS PBL14 START 120.576
HIERARCH ESO ISS PBL14 END 120.444
HIERARCH ESO ISS PBLA14 START 63.737
HIERARCH ESO ISS PBLA14 END 63.644
HIERARCH ESO ISS PBL23 START 57.829
HIERARCH ESO ISS PBL23 END 57.81
HIERARCH ESO ISS PBLA23 START 54.0
HIERARCH ESO ISS PBLA23 END 53.9
HIERARCH ESO ISS PBL24 START 86.565
HIERARCH ESO ISS PBL24 END 86.619
HIERARCH ESO ISS PBLA24 START 36.944
HIERARCH ESO ISS PBLA24 END 36.929
HIERARCH ESO ISS PBL34 START 35.598
HIERARCH ESO ISS PBL34 END 35.615
HIERARCH ESO ISS PBLA34 START 8.447
HIERARCH ESO ISS PBLA34 END 8.564
HIERARCH ESO ISS AMBI TAU0 START 0.003644
HIERARCH ESO ISS AMBI TAU0 END 0.003924
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.65