00048+3810 BU 862

 
 
00h 04m 46.86s +38 10' 25.2" P.A. 30.00 sep 0.8 mag 10.02,10.18 Sp G5 dist. 92.51 pc (301.77 l.y.)
 
 
Coord 2000 00048+3810 Discov num BU  862 Comp Coord arcsec 2000 00 04 46.86 +38 10 25.2
Date first 1881 Date last 2019 Obs 80
Pa first 105 Pa last 30 P.A. Now (θ) 30°
Sep first 0.5 Sep last 0.81 Sep. Now (ρ) 0.81"
Mag pri 10.02 Mag sec 10.18 delta mag (ΔM) 0.16 Spectral class G5 (yellow)
Pri motion ra +029 Sec motion ra +029
Pri motion dec -060 Sec motion dec -060
Notes O T (Orbital solution, Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda HIP 385 Tycho2 2781-00488-1 Gaia DR2 2880739195125631488
ADS 34 BD BD+37 4930 Distance 92.51 Distance ly 301.77
 
 
ORBITAL ELEMENTS
 
 
Period (P)403y Periastron (T)1942y Semi-major axis (a)0.74a
Eccentricity (e)0.68 Inclination (i)40° Longitude of periastron (ω)198.8°
Node (Ω)43° Notes ReferenceCou1986b
Equinox Last observation1984 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 21.0 0.712
2001 21.5 0.721
2002 22.1 0.730
2003 22.6 0.739
2004 23.1 0.747
2005 23.6 0.756
2006 24.0 0.764
2007 24.5 0.772
2008 25.0 0.780
2009 25.4 0.788
2010 25.8 0.796
2011 26.3 0.804
2012 26.7 0.812
2013 27.1 0.820
2014 27.5 0.827
2015 27.9 0.835
2016 28.3 0.842
2017 28.7 0.849
2018 29.1 0.857
2019 29.4 0.864
2020 29.8 0.871
2021 30.2 0.878
2022 30.5 0.885
2023 30.9 0.891
2024 31.2 0.898
2025 31.5 0.905
2026 31.9 0.911
2027 32.2 0.918
2028 32.5 0.924
2029 32.8 0.930
2030 33.2 0.936


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



 
 


wds00048%2B3810a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic