19390+3949 SEI 655AB

 
 
19h 39m 22.52s +39 48' 40.6" P.A. 108 sep 24.8 mag 11.39,11.52
 
 
Coord 2000
19390+3949
Discov num
SEI 655
Comp
AB
Coord arcsec 2000
19 39 22.52 +39 48 40.6
Date first
1892
Date last
2002
Obs
7
Pa first
110
Pa last
108
P.A. Now (θ)
108°
Sep first
24.6
Sep last
24.8
Sep. Now (ρ)
24.8"
Mag pri
11.39
Mag sec
11.52
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
-001
Sec motion ra
+003
Pri motion dec
+004
Sec motion dec
+010
Notes
rPM=0.691
Nature of this double is uncertain.
 
 
19390+3949 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19390+3949 SEI 655 AB 1892 2002 7 108 24.8 11.39 11.52 0.13 <===
Show 19390+3949 TOB 159 AC 1982 2002 4 151 37.7 11.39 12.41 1.02
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108
Precise sep
24.788
Cdsa2 id
SEI 655 AB
Constellation
Cygnus
Ra deg
19.656255555555553
De deg
39.811277777777775
last precise pa
108
last precise sep
24.788
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19390+3949 SEI 655 AB 1998 6 108 24.7 11.39 11.75 D 193922.52+394840.6
19390+3949 SEI 655 AB 2002 7 108 24.8 11.39 11.75 D 193922.52+394840.6

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