19314+3643 BU  438AB

 
 
19h 31m 26.20s +36 42' 37.8" P.A. 20 sep 4.9 mag 8.99,13.40 Sp F2
 
 
Coord 2000
19314+3643
Discov num
BU  438
Comp
AB
Coord arcsec 2000
19 31 26.20 +36 42 37.8
Date first
1879
Date last
2006
Obs
9
Pa first
41
Pa last
20
P.A. Now (θ)
20°
Sep first
4.4
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
8.99
Mag sec
13.40
delta mag (ΔM)
4.41
Spectral class
F2 (yellow-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19314+3643 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19314+3643 BU 438 AB 1879 2006 9 20 4.9 8.99 13.40 4.41 <===
Show 19314+3643 STF2538 AC 1825 2006 38 247 53.2 8.99 8.92 0.07
Show 19314+3643 STF2538 AD 1857 2006 26 249 46.8 8.99 9.24 0.25
Show 19314+3643 BU 438 AE 1878 2006 8 240 21.4 8.99 13.50 4.51
Show 19314+3643 STF2538 BC 1998 1998 2 244 56.5 13.40 8.92 4.48
Show 19314+3643 STF2538 CD 1825 2004 55 50 5.9 8.92 9.24 0.32
Show 19314+3643 STF2538 CE 1998 2002 3 72 31.6 8.92 13.50 4.58
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.1
Precise sep
4.87
Constellation
Cygnus
last precise pa
20.1
last precise sep
4.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19314+3643 BU 438 AB 2006 9 20 4.9 8.99 14.00 F2 D 193126.20+364237.8

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