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
 
 
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 19421+3132 SEI 661 AB 1893 2006 6 138 13.1 8.38 11.44 3.06 <===
Show 19421+3132 ACA 5 AC 1998 2006 3 186 30.4 8.38 13.68 5.30
Show 19421+3132 ACA 5 AD 1893 2006 7 244 21.5 8.38 12.30 3.92
Show 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
Cdsa2 id
SEI 661 AB
Constellation
Cygnus
Ra deg
19.70238611111111
De deg
31.540722222222225
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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