21394+7839 UC 4520

 
 
21h 39m 26.20s +78 38' 41.5" P.A. 189 sep 30.6 mag 10.50,12.50
 
 
Coord 2000
21394+7839
Discov num
UC 4520
Comp
Coord arcsec 2000
21 39 26.20 +78 38 41.5
Date first
1999
Date last
2010
Obs
3
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
30.6
Sep last
30.6
Sep. Now (ρ)
30.6"
Mag pri
10.50
Mag sec
12.50
delta mag (ΔM)
2
Spectral class
Pri motion ra
+059
Sec motion ra
+053
Pri motion dec
+026
Sec motion dec
+022
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189
Precise sep
30.57
Constellation
Cepheus
last precise pa
189
last precise sep
30.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21394+7839 UC 4520 2000 2 189 30.6 10.50 12.50 V 213926.20+783841.5
21394+7839 UC 4520 2003 2 189 30.6 10.50 12.50 V 213926.20+783841.5
21394+7839 UC 4520 2010 3 189 30.6 10.50 12.50 V R 213926.20+783841.5

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