19564+3916 ALI 909AB

 
 
19h 56m 26.45s +39 15' 28.4" P.A. 201 sep 14.8 mag 12.30,12.90
 
 
Coord 2000
19564+3916
Discov num
ALI 909
Comp
AB
Coord arcsec 2000
19 56 26.45 +39 15 28.4
Date first
1929
Date last
2002
Obs
3
Pa first
201
Pa last
201
P.A. Now (θ)
201°
Sep first
14.7
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
12.30
Mag sec
12.90
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+003
Sec motion ra
+004
Pri motion dec
-009
Sec motion dec
-025
Notes
rPM=0.633
Nature of this double is uncertain.
 
 
19564+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19564+3916 ALI 909 AB 1929 2002 3 201 14.8 12.30 12.90 0.60 <===
Show 19564+3916 ALI 909 AC 1998 2002 2 215 13.4 12.30 14.10 1.80
Show 19564+3916 ALI 909 BC 1998 2002 2 319 3.7 12.90 14.10 1.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.8
Precise sep
14.755
Constellation
Cygnus
last precise pa
200.8
last precise sep
14.755
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19564+3916 ALI 909 AB 2002 3 201 14.8 12.30 12.90 D 195626.45+391528.4

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