00220+4913 SKF1600AB

 
 
00H 21M 57.84S +49 12' 37.9" P.A. 300 SEP 2.3 MAG 13.10,16.00 SP M2.5V
 
 
Coord 2000
00220+4913
Discov num
SKF1600
Comp
AB
Coord arcsec 2000
00 21 57.84 +49 12 37.9
Date first
1995
Date last
2011
Obs
3
Pa first
290
Pa last
300
P.A. Now (θ)
300°
Sep first
2.9
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
13.10
Mag sec
16.00
delta mag (ΔM)
2.9
Spectral class
M2.5V (red)
Pri motion ra
+221
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is 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
 
 
Precise pa
300.3
Precise sep
2.267
Constellation
Cassiopeia
last precise pa
300.3
last precise sep
2.267