00048+3810 BU  862

 
 
00H 04M 46.86S +38 10' 25.2" P.A. 28.7 SEP 0.85 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
2016
Obs
71
Pa first
105
Pa last
28
P.A. Now (θ)
28.7°
Sep first
0.5
Sep last
0.9
Sep. Now (ρ)
0.85"
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 (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
53619
HIP
385
Tycho2
2781-00488-1
ADS
34
BD
BD+37 4930
Distance
92.51
Distance ly
301.77
last precise pa
28.1
last precise sep
0.85
 
 
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° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1984
label rho theta
2000 0.712 21.0
2001 0.721 21.5
2002 0.730 22.1
2003 0.739 22.6
2004 0.747 23.1
2005 0.756 23.6
2006 0.764 24.0
2007 0.772 24.5
2008 0.780 25.0
2009 0.788 25.4
2010 0.796 25.8
2011 0.804 26.3
2012 0.812 26.7
2013 0.820 27.1
2014 0.827 27.5
2015 0.835 27.9
2016 0.842 28.3
2017 0.849 28.7
2018 0.857 29.1
2019 0.864 29.4
2020 0.871 29.8
2021 0.878 30.2
2022 0.885 30.5
2023 0.891 30.9
2024 0.898 31.2
2025 0.905 31.5
2026 0.911 31.9
2027 0.918 32.2
2028 0.924 32.5
2029 0.930 32.8
2030 0.936 33.2

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic