20499+5036 CBL  87

 
 
20h 49m 53.89s +50 36' 08.0" P.A. 1 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
2010
Obs
3
Pa first
2
Pa last
1
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
1.4
Precise sep
24.98
Constellation
Cygnus
Tycho2
3583-00007-1
last precise pa
1.4
last precise sep
24.98
 
 
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

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