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
Cdsa2 id
ALI 909 AB
Constellation
Cygnus
Ra deg
19.940680555555556
De deg
39.257888888888886
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

If you need more information about this double, apply for a data request form to the WDS.