21028+4551 FYM 331CF

 
 
21H 02M 40.75S +45 53' 05.1" P.A. 43 SEP 12.5 MAG 7.82,15.70 SP K2 DIST. 19.47 PC (63.51 L.Y.)
 
 
Coord 2000
21028+4551
Discov num
FYM 331
Comp
CF
Coord arcsec 2000
21 02 40.75 +45 53 05.1
Date first
2000
Date last
2015
Obs
3
Pa first
52
Pa last
43
P.A. Now (θ)
43°
Sep first
18.8
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
7.82
Mag sec
15.70
delta mag (ΔM)
7.88
Spectral class
K2 (yellow-orange)
Pri motion ra
+404
Sec motion ra
Pri motion dec
+141
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21028+4551 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 50390 21028+4551 BU 1138 AB 1888 2006 57 182 0.2 7.10 7.30 0.20 Y
Show 50390 21028+4551 BU 1138 AC 1892 2012 21 330 152.1 6.46 7.82 1.36
Show 50388 21028+4551 KUI 104 CD 1934 2006 10 90 2.9 7.82 13.40 5.58
Show 50388 21028+4551 BU 1138 CE 1908 2003 9 249 23.6 7.82 12.38 4.56
Show 50388 21028+4551 FYM 331 CF 2000 2015 3 43 12.5 7.82 15.70 7.88 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V2436 Cyg
Constellation
Cygnus
SAO
50388
HIP
103859
Tycho2
3588-03634-1
HD
200560
GL
Gl 816.1A
BD
BD+45 3371
Distance
19.47
Distance ly
63.51
last precise pa
42.5
last precise sep
12.5