19220+2230 BU  141AG

 
 
19h 21m 57.26s +22 30' 23.2" P.A. 240 sep 21.7 mag 7.61,15.30 Sp B4V
 
 
Coord 2000
19220+2230
Discov num
BU  141
Comp
AG
Coord arcsec 2000
19 21 57.26 +22 30 23.2
Date first
1916
Date last
2013
Obs
4
Pa first
239
Pa last
240
P.A. Now (θ)
240°
Sep first
20.8
Sep last
21.7
Sep. Now (ρ)
21.7"
Mag pri
7.61
Mag sec
15.30
delta mag (ΔM)
7.69
Spectral class
B4V (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19220+2230 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19220+2230 BU 141 AB 1873 2015 42 84 0.9 7.61 9.21 1.60
Show 19220+2230 HJ 2867 AC 1830 2013 12 328 28.3 7.61 11.70 4.09
Show 19220+2230 BU 141 AB,D 1984 2013 4 322 24.4 7.61 12.90 5.29
Show 19220+2230 BU 141 AE 1877 2013 14 90 50.7 7.61 10.90 3.29
Show 19220+2230 BU 141 AF 1898 2013 5 214 49.6 7.61 12.60 4.99
Show 19220+2230 BU 141 AG 1916 2013 4 240 21.7 7.61 15.30 7.69 <===
Show 19220+2230 BU 141 CD 1897 2013 9 182 4.7 11.70 12.90 1.20
Septuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
240.4
Precise sep
21.66
Constellation
Vulpecula
last precise pa
240.4
last precise sep
21.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19220+2230 BU 141 AG 2000 2 241 21.3 7.61 15.30 B4V D 192157.26+223023.2
19220+2230 BU 141 AG 2001 3 241 21.5 7.61 15.30 B4V D 192157.26+223023.2
19220+2230 BU 141 AG 2013 4 240 21.7 7.61 15.30 B4V 192157.26+223023.2

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