04025+0638 HDS 510

 
 
04H 02M 32.85S +06 37' 52.1" P.A. 62.9 SEP 0.16 MAG 11.37,11.81 SP K7 DIST. 70.57 PC (230.2 L.Y.)
 
 
Coord 2000
04025+0638
Discov num
HDS 510
Comp
Coord arcsec 2000
04 02 32.85 +06 37 52.1
Date first
1991
Date last
2015
Obs
11
Pa first
100
Pa last
57
P.A. Now (θ)
62.9°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.16"
Mag pri
11.37
Mag sec
11.81
delta mag (ΔM)
0.44
Spectral class
K7 (yellow-orange)
Pri motion ra
-030
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
HIP
18856
Tycho2
0079-00983-1
BD
BD+06 620
Distance
70.57
Distance ly
230.2
last precise pa
56.7
last precise sep
0.134
 
 
ORBITAL ELEMENTS
 
 
Period (P)42y Periastron (T)2009.43y Semi-major axis (a)0.175a
Eccentricity (e)0.593 Inclination (i)58.4° Longitude of periastron (ω)185.6°
Node (Ω)87.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.174 113.9
2001 0.156 118.0
2002 0.137 123.1
2003 0.117 130.0
2004 0.097 139.8
2005 0.077 154.7
2006 0.063 177.7
2007 0.059 208.5
2008 0.065 237.9
2009 0.071 261.4
2010 0.067 283.9
2011 0.056 313.5
2012 0.055 351.6
2013 0.069 22.0
2014 0.091 39.9
2015 0.114 50.6
2016 0.136 57.8
2017 0.157 62.9
2018 0.176 66.9
2019 0.194 70.2
2020 0.209 72.9
2021 0.223 75.3
2022 0.235 77.4
2023 0.246 79.3
2024 0.255 81.0
2025 0.262 82.7
2026 0.268 84.3
2027 0.273 85.8
2028 0.276 87.2
2029 0.278 88.7
2030 0.278 90.1

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