00243+5201 HU  506 (V746 Cas)

 
 
00H 24M 15.64S +52 01' 11.7" P.A. 133.3 SEP 0.1 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)
133.3°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
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
 
 
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)169.29y Periastron (T)1955.06y Semi-major axis (a)0.214a
Eccentricity (e)0.163 Inclination (i)64.8° Longitude of periastron (ω)311.8°
Node (Ω)30.1° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.127 72.9
2001 0.123 75.5
2002 0.120 78.3
2003 0.117 81.2
2004 0.114 84.2
2005 0.112 87.4
2006 0.109 90.8
2007 0.107 94.3
2008 0.105 98.0
2009 0.103 101.7
2010 0.102 105.6
2011 0.101 109.6
2012 0.101 113.6
2013 0.101 117.6
2014 0.101 121.6
2015 0.102 125.6
2016 0.103 129.5
2017 0.104 133.3
2018 0.106 137.0
2019 0.108 140.5
2020 0.111 143.9
2021 0.113 147.2
2022 0.116 150.3
2023 0.120 153.2
2024 0.123 156.0
2025 0.126 158.7
2026 0.130 161.2
2027 0.134 163.5
2028 0.138 165.7
2029 0.142 167.8
2030 0.145 169.8

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