21061+4448 ROE  45BC

 
 
21H 05M 55.55S +44 48' 10.5" P.A. 238 SEP 123.4 MAG 10.38,10.60
 
 
Coord 2000
21061+4448
Discov num
ROE  45
Comp
BC
Coord arcsec 2000
21 05 55.55 +44 48 10.5
Date first
1892
Date last
2012
Obs
9
Pa first
239
Pa last
238
P.A. Now (θ)
238°
Sep first
126.7
Sep last
123.4
Sep. Now (ρ)
123.4"
Mag pri
10.38
Mag sec
10.60
delta mag (ΔM)
0.22
Spectral class
Pri motion ra
-002
Sec motion ra
+022
Pri motion dec
-011
Sec motion dec
+007
Notes
rPM=1.299
This double is not physical.
 
 
21061+4448 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 50449 21061+4448 ROE 45 AB 1892 2012 10 286 134.3 8.22 10.38 2.16
Show 50449 21061+4448 ROE 45 AD 1892 2012 10 241 131.3 8.22 10.53 2.31
Show 21061+4448 ROE 45 BC 1892 2012 9 238 123.4 10.38 10.60 0.22 <===
Show 21061+4448 ROE 45 BF 1910 2016 4 313 10.8 10.38 13.00 2.62
Show 21061+4448 TDT2745 Ca,Cb 1991 1991 1 116 0.6 11.11 11.39 0.28
Show 21061+4448 ROE 45 CD 1892 2002 7 107 124.6 10.60 10.53 0.07
Show 21061+4448 ROE 45 DE 1892 2016 7 7 27.5 10.53 11.72 1.19
Septuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3180-01763-1
last precise pa
238.1
last precise sep
123.44