20544+6957 A  1216CD

 
 
20h 54m 20.69s +69 57' 28.9" P.A. 82 sep 0.9 mag 10.61,11.60 dist. 258.4 pc (842.9 l.y.)
 
 
Coord 2000
20544+6957
Discov num
A  1216
Comp
CD
Coord arcsec 2000
20 54 20.69 +69 57 28.9
Date first
1904
Date last
2015
Obs
6
Pa first
92
Pa last
82
P.A. Now (θ)
82°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.61
Mag sec
11.60
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
-024
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20544+6957 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19093 20544+6957 A 1216 AB 1904 2015 6 327 20.1 7.97 15.00 7.03
Show 19093 20544+6957 A 1216 AC 1895 2015 10 347 38.5 7.97 10.61 2.64
Show 19093 20544+6957 A 1216 CD 1904 2015 6 82 0.9 10.61 11.60 0.99 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.4
Precise sep
0.884
Spectr
K0
Constellation
Cepheus
SAO
19093
HIP
103190
Tycho2
4464-00465-1
Gaia DR2
2271215436689655168
HD
199660
BD
BD+69 1136
Distance
258.4
Distance ly
842.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20544+6957 A 1216 CD 1984 4 85 0.7 10.41 11.40 205420.85+695732.2
20544+6957 A 1216 CD 2008 5 81 0.9 10.61 11.60 205420.85+695732.2
20544+6957 A 1216 CD 2015 6 82 0.9 10.61 11.60 205420.69+695728.9

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