18501+3322 BU  293EF

 
 
18h 50m 01.16s +33 22' 34.9" P.A. 66 sep 79.4 mag 10.14,10.62 Sp F2V
 
 
Coord 2000
18501+3322
Discov num
BU  293
Comp
EF
Coord arcsec 2000
18 50 01.16 +33 22 34.9
Date first
1893
Date last
2015
Obs
7
Pa first
66
Pa last
66
P.A. Now (θ)
66°
Sep first
79.9
Sep last
79.4
Sep. Now (ρ)
79.4"
Mag pri
10.14
Mag sec
10.62
delta mag (ΔM)
0.48
Spectral class
F2V (yellow-white)
Pri motion ra
+000
Sec motion ra
+001
Pri motion dec
+001
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.137 (< 0.3, Physical double)
This double is not physical.
 
 
18501+3322 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67451 18501+3322 CIA 3 Aa1,2 2007 2007 7 72 0.0 3.60 4.00 0.40 Y
Show 67451 18501+3322 RBR 11 Aa,Ab 2002 2002 1 176 0.5 3.60 8.20 4.60
Show Sheliak 67451 18501+3322 STFA 39 AB 1777 2017 117 149 45.7 3.63 6.69 3.06
Show 18501+3322 BU 293 AC 1878 2015 8 247 46.8 3.63 13.00 9.37
Show 18501+3322 BU 293 AD 1898 2015 8 68 64.0 3.63 14.30 10.67
Show 18501+3322 BU 293 AE 1828 2015 37 317 67.2 3.63 10.14 6.51
Show 18501+3322 BU 293 AF 1828 2015 36 18 86.0 3.63 10.62 6.99
Show 18501+3322 BU 293 BE 1893 2015 12 322 112.4 6.69 10.13 3.44
Show 18501+3322 BU 293 BF 1893 2015 12 1 120.6 6.69 10.62 3.93
Show 18501+3322 BU 293 EF 1893 2015 7 66 79.4 10.14 10.62 0.48 <===
Octuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
last precise pa
66
last precise sep
79.366
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18501+3322 BU 293 EF 2007 2 66 79.3 10.14 10.62 D 185001.16+332234.9
18501+3322 BU 293 EF 2015 7 66 79.4 10.14 10.62 F2V N 185001.16+332234.9

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