02231+7021 MLR 377AB

 
 
02h 23m 04.70s +70 20' 35.6" P.A. 135.3 sep 0.7 mag 8.42,8.70 Sp F5 dist. 215.52 pc (703.03 l.y.)
 
 
Coord 2000
02231+7021
Discov num
MLR 377
Comp
AB
Coord arcsec 2000
02 23 04.70 +70 20 35.6
Date first
1972
Date last
2015
Obs
25
Pa first
162
Pa last
141
P.A. Now (θ)
135.3°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.7"
Mag pri
8.42
Mag sec
8.70
delta mag (ΔM)
0.28
Spectral class
F5 (yellow-white)
Pri motion ra
+023
Sec motion ra
+023
Pri motion dec
-002
Sec motion dec
-002
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02231+7021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 4635 02231+7021 MLR 377 AB 1972 2015 25 135 0.7 8.42 8.70 0.28 Y <===
Show 4635 02231+7021 CVE 1 AB,C 1999 2004 3 43 66.4 7.91 13.92 6.01
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141
Precise sep
0.803
Cdsa2 id
MLR 377 AB
Constellation
Cassiopeia
SAO
4635
HIP
11120
Tycho2
4315-01749-1
HD
14382
BD
BD+69 144
Ra deg
2.384638888888889
De deg
70.34322222222222
Distance
215.52
Distance ly
703.03
last precise pa
141
last precise sep
0.803
 
 
ORBITAL ELEMENTS
 
 
Period (P)283.14y Periastron (T)1776.22y Semi-major axis (a)3.696a
Eccentricity (e)0.982 Inclination (i)94.2° Longitude of periastron (ω)89.3°
Node (Ω)106° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.662 144.5
2001 0.665 144.0
2002 0.668 143.5
2003 0.670 142.9
2004 0.673 142.4
2005 0.675 141.9
2006 0.678 141.3
2007 0.680 140.8
2008 0.683 140.3
2009 0.685 139.8
2010 0.687 139.3
2011 0.689 138.8
2012 0.691 138.3
2013 0.693 137.8
2014 0.695 137.3
2015 0.697 136.8
2016 0.699 136.3
2017 0.700 135.8
2018 0.702 135.3
2019 0.703 134.8
2020 0.704 134.3
2021 0.706 133.8
2022 0.707 133.4
2023 0.707 132.9
2024 0.708 132.4
2025 0.709 131.9
2026 0.709 131.4
2027 0.709 131.0
2028 0.709 130.5
2029 0.709 130.0
2030 0.709 129.5

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

grafico orbita





wds02231%2B7021e.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
02231+7021 MLR 377 AB 2005 21 142 0.7 8.42 8.70 F5 NOD 022304.70+702035.6
02231+7021 MLR 377 AB 2007 22 141 0.7 8.42 8.70 F5 NOD 022304.70+702035.6
02231+7021 MLR 377 AB 2010 23 140 0.7 8.42 8.70 F5 NOD 022304.70+702035.6
02231+7021 MLR 377 AB 2015 25 141 0.8 8.42 8.70 F5 NO 022304.70+702035.6

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