19564+3448 SEI 737

 
 
19h 56m 19.74s +34 49' 36.2" P.A. 68 sep 25.8 mag 10.74,11.53
 
 
Coord 2000
19564+3448
Discov num
SEI 737
Comp
Coord arcsec 2000
19 56 19.74 +34 49 36.2
Date first
1894
Date last
2012
Obs
12
Pa first
71
Pa last
68
P.A. Now (θ)
68°
Sep first
27.8
Sep last
25.8
Sep. Now (ρ)
25.8"
Mag pri
10.74
Mag sec
11.53
delta mag (ΔM)
0.79
Spectral class
Pri motion ra
+021
Sec motion ra
+003
Pri motion dec
+014
Sec motion dec
+023
Notes
rPM=0.797
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.6
Precise sep
25.78
Cdsa2 id
SEI 737
Constellation
Cygnus
Ra deg
19.938816666666668
De deg
34.82672222222222
last precise pa
67.6
last precise sep
25.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19564+3448 SEI 737 1983 2 69 26.1 10.55 10.60 195619.68+344705.6
19564+3448 SEI 737 2012 3 68 25.8 10.55 10.60 195619.68+344705.6

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