20228+5325 STF2681CD

 
 
20H 22M 48.13S +53 24' 26.5" P.A. 101 SEP 23.5 MAG 8.89,11.80 SP A3 DIST. 139.47 PC (454.95 L.Y.)
 
 
Coord 2000
20228+5325
Discov num
STF2681
Comp
CD
Coord arcsec 2000
20 22 48.13 +53 24 26.5
Date first
1830
Date last
2013
Obs
16
Pa first
103
Pa last
101
P.A. Now (θ)
101°
Sep first
22.0
Sep last
23.5
Sep. Now (ρ)
23.5"
Mag pri
8.89
Mag sec
11.80
delta mag (ΔM)
2.91
Spectral class
A3 (white)
Pri motion ra
+031
Sec motion ra
+036
Pri motion dec
+031
Sec motion dec
+031
Notes
rPM=0.105 (< 0.3, Physical double)
This double is physical.
 
 
20228+5325 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32516 20228+5325 STF2681 AB 1831 2013 20 41 7.2 7.97 10.61 2.64
Show 32516 20228+5325 STF2681 AC 1831 2013 26 199 38.5 7.97 8.89 0.92
Show 32516 20228+5325 STF2681 AD 1842 2013 10 166 42.2 7.97 11.80 3.83
Show 32515 20228+5325 STF2681 CD 1830 2013 16 101 23.5 8.89 11.80 2.91 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
32515
HIP
100505
Tycho2
3937-01761-1
HD
235207
BD
BD+52 2693
Distance
139.47
Distance ly
454.95
last precise pa
101.4
last precise sep
23.54