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
Constellation
Cygnus
Tycho2
2677-00916-1
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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