20228+5325 STF2681AB

 
 
20h 22m 49.54s +53 25' 02.8" P.A. 39.00 sep 6.8 mag 7.97,10.61 Sp A0V dist. 448.43 pc (1462.78 l.y.)
 
 
Coord 2000
20228+5325
Discov num
STF2681
Comp
AB
Coord arcsec 2000
20 22 49.54 +53 25 02.8
Date first
1831
Date last
2015
Obs
25
Pa first
42
Pa last
39
P.A. Now (θ)
39°
Sep first
6.6
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
7.97
Mag sec
10.61
delta mag (ΔM)
2.64
Spectral class
A0V (white)
Pri motion ra
+013
Sec motion ra
+010
Pri motion dec
+018
Sec motion dec
+018
Notes
rPM=0.135 (< 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 2015 25 39 6.8 7.97 10.61 2.64 <===
Show 32516 20228+5325 STF2681 AC 1831 2015 31 199 38.2 7.97 8.89 0.92
Show 32516 20228+5325 STF2681 AD 1842 2015 15 166 42.0 7.97 11.80 3.83
Show 32515 20228+5325 STF2681 CD 1830 2015 21 101 23.3 8.89 11.80 2.91
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39
Precise sep
6.801
Constellation
Cygnus
SAO
32516
HIP
100507
Tycho2
3937-00396-1
Gaia DR2
84003227136
HD
194354
BD
BD+52 2694
Distance
448.43
Distance ly
1462.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20228+5325 STF2681 AB 1999 18 39 6.7 7.97 10.61 A0V D 202249.54+532502.8
20228+5325 STF2681 AB 2003 19 38 6.9 7.97 10.61 A0V D 202249.54+532502.8
20228+5325 STF2681 AB 2013 20 41 7.2 7.97 10.61 A0V 202249.54+532502.8
20228+5325 STF2681 AB 2015 21 39 6.8 7.97 10.61 A0V 202249.54+532502.8

If you need more information about this double, apply for a data request form to the WDS.