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
Cdsa2 id
BU 141 AG
Constellation
Vulpecula
Ra deg
19.365905555555557
De deg
22.506444444444444
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.