19421+3132 SEI 661AB

 
 
19h 42m 08.59s +31 32' 26.6" P.A. 138 sep 13.1 mag 8.38,11.44 Sp F8V dist. 130.89 pc (426.96 l.y.)
 
 
Coord 2000
19421+3132
Discov num
SEI 661
Comp
AB
Coord arcsec 2000
19 42 08.59 +31 32 26.6
Date first
1893
Date last
2006
Obs
6
Pa first
147
Pa last
138
P.A. Now (θ)
138°
Sep first
23.3
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
8.38
Mag sec
11.44
delta mag (ΔM)
3.06
Spectral class
F8V (yellow-white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19421+3132 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 68716 19421+3132 SEI 661 AB 1893 2006 6 138 13.1 8.38 11.44 3.06 <===
Show 68716 19421+3132 ACA 5 AC 1998 2006 3 186 30.4 8.38 13.68 5.30
Show 68716 19421+3132 ACA 5 AD 1893 2006 7 244 21.5 8.38 12.30 3.92
Show 68716 19421+3132 ACA 5 AE 1902 2006 5 37 34.5 8.38 12.75 4.37
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.5
Precise sep
13.06
Constellation
Cygnus
SAO
68716
HIP
96925
Tycho2
2656-02285-1
HD
331096
BD
BD+31 3723
Distance
130.89
Distance ly
426.96
last precise pa
137.5
last precise sep
13.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19421+3132 SEI 661 AB 2006 4 138 13.1 8.38 11.44 F8V 194208.59+313226.6
19421+3132 SEI 661 AB 2010 7 135 13.2 8.38 11.44 F8V 194208.59+313226.6

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