19521+2925 WSI  12

 
 
19h 52m 05.67s +29 24' 34.5" P.A. 74 sep 10.5 mag 11.70,12.10 Sp B5III
 
 
Coord 2000
19521+2925
Discov num
WSI  12
Comp
Coord arcsec 2000
19 52 05.67 +29 24 34.5
Date first
1998
Date last
2010
Obs
5
Pa first
75
Pa last
74
P.A. Now (θ)
74°
Sep first
10.9
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
11.70
Mag sec
12.10
delta mag (ΔM)
0.4
Spectral class
B5III (blue-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.6
Precise sep
10.51
Constellation
Cygnus
Tycho2
2152-02306-1
last precise pa
73.6
last precise sep
10.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19521+2925 WSI 12 2003 3 74 11.0 11.70 12.10 D 195205.67+292434.5
19521+2925 WSI 12 2010 5 73 10.1 11.70 12.10 B5III 195205.67+292434.5

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