20144+3129 A  1204

 
 
20h 14m 25.10s +31 29' 16.5" P.A. 323 sep 0.4 mag 9.49,9.52 Sp Ap
 
 
Coord 2000
20144+3129
Discov num
A  1204
Comp
Coord arcsec 2000
20 14 25.10 +31 29 16.5
Date first
1905
Date last
2008
Obs
33
Pa first
312
Pa last
323
P.A. Now (θ)
323°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.49
Mag sec
9.52
delta mag (ΔM)
0.03
Spectral class
Ap (white)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.1
Precise sep
0.369
Constellation
Cygnus
SAO
69666
Tycho2
2671-00882-1
HD
192559
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+3129 A 1204 1995 33 141 0.4 9.52 9.49 Ap 201425.10+312916.5
20144+3129 A 1204 2008 35 323 0.4 9.49 9.52 Ap 201425.10+312916.5

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