21503+7410 UC 4578AB

 
 
21h 50m 19.43s +74 09' 36.3" P.A. 187 sep 73.6 mag 15.05,15.36
 
 
Coord 2000
21503+7410
Discov num
UC 4578
Comp
AB
Coord arcsec 2000
21 50 19.43 +74 09 36.3
Date first
1953
Date last
2013
Obs
6
Pa first
187
Pa last
187
P.A. Now (θ)
187°
Sep first
73.2
Sep last
73.6
Sep. Now (ρ)
73.6"
Mag pri
15.05
Mag sec
15.36
delta mag (ΔM)
0.31
Spectral class
Pri motion ra
-010
Sec motion ra
-003
Pri motion dec
+097
Sec motion dec
+107
Notes
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
21503+7410 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21503+7410 UC 4578 AB 1953 2013 6 187 73.6 15.05 15.36 0.31 <===
Show 21503+7410 UC 4578 AC 1953 2013 6 120 51.1 15.05 16.60 1.55
Show 21503+7410 UC 4578 BC 1953 2013 6 48 71.7 15.36 16.60 1.24
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.9
Precise sep
73.6
Cdsa2 id
UC 4578 AB
Constellation
Cepheus
Ra deg
21.838730555555554
De deg
74.16008333333333
last precise pa
186.9
last precise sep
73.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21503+7410 UC 4578 AB 2000 2 187 73.4 15.00 15.40 V 215019.43+740936.3
21503+7410 UC 4578 AB 2003 2 187 73.5 15.00 15.40 V 215019.43+740936.3
21503+7410 UC 4578 AB 2013 6 187 73.6 15.05 15.36 V 215019.43+740936.3

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