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
Constellation
Cygnus
Tycho2
3139-01993-1
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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