00243+5201 HU  506 (V746 Cas)

 
 
00h 24m 15.64s +52 01' 11.7" P.A. 137 sep 0.11 mag 5.95,6.84 Sp B5IV dist. 306.75 pc (1000.62 l.y.)
 
 
Coord 2000
00243+5201
Discov num
HU  506
Comp
Coord arcsec 2000
00 24 15.64 +52 01 11.7
Date first
1902
Date last
2007
Obs
40
Pa first
217
Pa last
94
P.A. Now (θ)
137°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
5.95
Mag sec
6.84
delta mag (ΔM)
0.89
Spectral class
B5IV (blue-white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
94.3
Precise sep
0.11
Var name
V746 Cas
Constellation
Cassiopeia
SAO
21366
HIP
1921
HD
1976
HR
91
ADS
328
BD
BD+51 62
Distance
306.75
Distance ly
1000.62
last precise pa
94.3
last precise sep
0.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)169.76y± 3.29 Periastron (T)1953.643y± 2.245 Semi-major axis (a)0.211a± 0.097
Eccentricity (e)0.176± 0.023 Inclination (i)64°± 16 Longitude of periastron (ω)308.2°± 9.4
Node (Ω)29°± 12 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.128 72.9
2001 0.125 75.4
2002 0.122 78.1
2003 0.119 80.9
2004 0.116 83.9
2005 0.114 86.9
2006 0.112 90.1
2007 0.110 93.5
2008 0.108 96.9
2009 0.106 100.5
2010 0.105 104.1
2011 0.104 107.8
2012 0.104 111.6
2013 0.104 115.3
2014 0.104 119.1
2015 0.105 122.9
2016 0.105 126.6
2017 0.107 130.2
2018 0.108 133.7
2019 0.110 137.1
2020 0.112 140.4
2021 0.115 143.6
2022 0.117 146.6
2023 0.120 149.5
2024 0.123 152.3
2025 0.126 154.9
2026 0.130 157.4
2027 0.133 159.7
2028 0.137 162.0
2029 0.140 164.1
2030 0.144 166.1

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

grafico orbita





wds00243%2B5201d.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
00243+5201 HU 506 2007 40 94 0.1 5.95 6.84 B5IV NO 002415.64+520111.7

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