03158+5057 HU 544 (V572 Per)

 
 
03h 15m 48.70s +50° 57' 21.2" P.A. 103.00 sep 1.7 mag 6.72,8.20 Sp A0 dist. 134.95 pc (440.21 l.y.)
 
 
Coord 2000 03158+5057 Discov num HU  544 Comp Coord arcsec 2000 03 15 48.70 +50 57 21.2
Date first 1902 Date last 2018 Obs 30
Pa first 98 Pa last 102.5 P.A. Now (θ) 102.5°
Sep first 0.6 Sep last 1.674 Sep. Now (ρ) 1.674"
Mag pri 6.72 Mag sec 8.20 delta mag (ΔM) 1.48 Spectral class A0 (white)
Pri motion ra +033 Sec motion ra +033
Pri motion dec -035 Sec motion dec -035
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V572 Per Constellation Perseus SAO 23907 HIP 15193
Tycho2 3323-00091-1 Gaia DR2 442831198606351104 HD 20096 GC 3876
ADS 2425 BD BD+50 725 Distance 134.95 Distance ly 440.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)473.0476y± 226.9345 Periastron (T)1858.9193y± 34.265 Semi-major axis (a)1.15413a± 0.61498
Eccentricity (e)0.53719± 0.31297 Inclination (i)86.468°± 2.331 Longitude of periastron (ω)202.947°± 64.343
Node (Ω)102.286°± 1.284 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 102.0 1.552
2001 102.0 1.557
2002 102.0 1.562
2003 102.0 1.568
2004 102.0 1.573
2005 102.1 1.578
2006 102.1 1.583
2007 102.1 1.587
2008 102.1 1.592
2009 102.1 1.597
2010 102.2 1.601
2011 102.2 1.606
2012 102.2 1.610
2013 102.2 1.614
2014 102.3 1.618
2015 102.3 1.622
2016 102.3 1.626
2017 102.3 1.629
2018 102.3 1.633
2019 102.3 1.637
2020 102.4 1.640
2021 102.4 1.643
2022 102.4 1.647
2023 102.4 1.650
2024 102.4 1.653
2025 102.5 1.656
2026 102.5 1.659
2027 102.5 1.661
2028 102.5 1.664
2029 102.5 1.666
2030 102.6 1.669


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds03158%2B5057a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic