20499+5036 CBL  87

 
 
20h 49m 53.89s +50 36' 08.0" P.A. 2 sep 25 mag 9.90,15.40 Sp G0
 
 
Coord 2000
20499+5036
Discov num
CBL  87
Comp
Coord arcsec 2000
20 49 53.89 +50 36 08.0
Date first
1999
Date last
2015
Obs
4
Pa first
2
Pa last
2
P.A. Now (θ)
Sep first
24.9
Sep last
25.0
Sep. Now (ρ)
25"
Mag pri
9.90
Mag sec
15.40
delta mag (ΔM)
5.5
Spectral class
G0 (yellow)
Pri motion ra
+107
Sec motion ra
+110
Pri motion dec
+085
Sec motion dec
+092
Notes
V (Proper motion indicates physical)
rPM=0.053 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1.5
Precise sep
25.029
Cdsa2 id
CBL 87
Constellation
Cygnus
Ra deg
20.83163611111111
De deg
50.602222222222224
last precise pa
1.5
last precise sep
25.029
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20499+5036 CBL 87 1999 2 2 25.0 9.90 15.40 VD 204953.89+503608.0
20499+5036 CBL 87 2003 2 2 25.0 9.90 15.40 VD 204953.89+503608.0
20499+5036 CBL 87 2010 3 2 24.9 9.90 15.40 G0 V 204953.89+503608.0
20499+5036 CBL 87 2015 4 2 25.0 9.90 15.40 G0 V 204953.89+503608.0

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