20557+7648 UC 4331

 
 
20h 55m 43.64s +76 48' 25.6" P.A. 35 sep 15.6 mag 13.80,15.60
 
 
Coord 2000
20557+7648
Discov num
UC 4331
Comp
Coord arcsec 2000
20 55 43.64 +76 48 25.6
Date first
2000
Date last
2015
Obs
4
Pa first
35
Pa last
35
P.A. Now (θ)
35°
Sep first
16.0
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
13.80
Mag sec
15.60
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+036
Sec motion ra
+036
Pri motion dec
+046
Sec motion dec
+044
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.034 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
34.7
Precise sep
15.588
Cdsa2 id
UC 4331
Constellation
Cepheus
Ra deg
20.92878888888889
De deg
76.80711111111111
last precise pa
34.7
last precise sep
15.588
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20557+7648 UC 4331 2000 2 35 16.0 13.80 15.60 V 205543.64+764825.6
20557+7648 UC 4331 2003 2 35 15.6 13.80 15.60 V 205543.64+764825.6
20557+7648 UC 4331 2010 3 35 15.2 13.80 15.60 V R 205543.64+764825.6
20557+7648 UC 4331 2015 4 35 15.6 13.80 15.60 V R 205543.64+764825.6

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