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
Cdsa2 id
BU 438 AB
Constellation
Cygnus
Ra deg
19.523944444444442
De deg
36.7105
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

If you need more information about this double, apply for a data request form to the WDS.