09446+6459 CHR 176

 
 
09h 44m 36.62s +64 59' 02.6" P.A. 196.6 sep 0.1 mag 6.20, Sp F3Vn dist. 95.42 pc (311.26 l.y.)
 
 
Coord 2000
09446+6459
Discov num
CHR 176
Comp
Coord arcsec 2000
09 44 36.62 +64 59 02.6
Date first
1988
Date last
2005
Obs
4
Pa first
60
Pa last
211
P.A. Now (θ)
196.6°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.20
Mag sec
delta mag (ΔM)
Spectral class
F3Vn (yellow-white)
Pri motion ra
-047
Sec motion ra
Pri motion dec
+025
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.8
Precise sep
0.114
Constellation
Ursa Major
SAO
14976
HIP
47791
Tycho2
4139-00836-1
HD
83962
HR
3859
BD
BD+65 731
Distance
95.42
Distance ly
311.26
last precise pa
210.8
last precise sep
0.114
 
 
ORBITAL ELEMENTS
 
 
Period (P)21.724y Periastron (T)2000.621y Semi-major axis (a)0.1152a
Eccentricity (e)0.351 Inclination (i)74.4° Longitude of periastron (ω)262.3°
Node (Ω)25.5° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2005
label rho theta
2000 0.042 230.2
2001 0.022 317.5
2002 0.055 7.8
2003 0.086 19.1
2004 0.105 25.1
2005 0.113 29.7
2006 0.113 34.0
2007 0.107 38.6
2008 0.095 44.0
2009 0.081 51.1
2010 0.066 61.3
2011 0.052 77.6
2012 0.043 103.4
2013 0.043 134.6
2014 0.054 158.9
2015 0.068 174.1
2016 0.083 183.9
2017 0.095 190.9
2018 0.102 196.6
2019 0.102 201.8
2020 0.091 207.7
2021 0.067 216.4
2022 0.032 241.4
2023 0.029 342.5
2024 0.065 12.0
2025 0.093 21.0
2026 0.108 26.5
2027 0.114 30.9
2028 0.112 35.2
2029 0.104 39.9
2030 0.092 45.7

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

grafico orbita





wds09446%2B6459a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09446+6459 CHR 176 1994 3 188 0.1 6.20   F3Vn 094436.62+645902.6
09446+6459 CHR 176 2005 4 211 0.1 6.20   F3Vn 094436.62+645902.6

If you need more information about this double, apply for a data request form to the WDS.