02231+7021 MLR 377AB

 
 
02H 23M 04.70S +70 20' 35.6" P.A. 136.5 SEP 0.41 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
2010
Obs
24
Pa first
162
Pa last
140
P.A. Now (θ)
136.5°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.41"
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 2010 24 136 0.4 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
 
 
Constellation
Cassiopeia
SAO
4635
HIP
11120
Tycho2
4315-01749-1
HD
14382
BD
BD+69 144
Distance
215.52
Distance ly
703.03
last precise pa
140.1
last precise sep
0.651
 
 
ORBITAL ELEMENTS
 
 
Period (P)161.259y± 83.563 Periastron (T)1918.14y± 13.85 Semi-major axis (a)0.587a± 0.195
Eccentricity (e)0.115± 0.339 Inclination (i)104.33°± 15.43 Longitude of periastron (ω)199.1°± 50.6
Node (Ω)154.1°± 21.9 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.613 148.6
2001 0.605 148.1
2002 0.597 147.6
2003 0.589 147.0
2004 0.580 146.5
2005 0.570 145.9
2006 0.560 145.3
2007 0.549 144.7
2008 0.537 144.0
2009 0.526 143.4
2010 0.513 142.7
2011 0.500 141.9
2012 0.487 141.2
2013 0.473 140.3
2014 0.459 139.5
2015 0.444 138.5
2016 0.429 137.5
2017 0.413 136.5
2018 0.398 135.3
2019 0.382 134.1
2020 0.365 132.7
2021 0.349 131.2
2022 0.332 129.6
2023 0.315 127.8
2024 0.298 125.8
2025 0.282 123.5
2026 0.265 121.0
2027 0.249 118.1
2028 0.233 114.9
2029 0.217 111.1
2030 0.203 106.8

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