00220+4913 BWL   3AC

 
 
00H 21M 57.84S +49 12' 37.9" P.A. 66 SEP 5.1 MAG 8.60,18.20 SP M2.5V
 
 
Coord 2000
00220+4913
Discov num
BWL   3
Comp
AC
Coord arcsec 2000
00 21 57.84 +49 12 37.9
Date first
2011
Date last
2013
Obs
2
Pa first
68
Pa last
66
P.A. Now (θ)
66°
Sep first
5.4
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
8.60
Mag sec
18.20
delta mag (ΔM)
9.6
Spectral class
M2.5V (red)
Pri motion ra
+221
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
00220+4913 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 00220+4913 SKF1600 AB 1995 2011 3 300 2.3 13.10 16.00 2.90
Show 00220+4913 BWL 3 AC 2011 2013 2 66 5.1 8.60 18.20 9.60 <===
Show 00220+4913 BWL 3 AD 2011 2013 2 358 5.9 8.60 16.50 7.90
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
last precise pa
65.5
last precise sep
5.139