02181+5731 BU 1170BC

 
 
02H 18M 04.12S +57 32' 07.4" P.A. 313 SEP 0.3 MAG 11.50,11.70
 
 
Coord 2000
02181+5731
Discov num
BU 1170
Comp
BC
Coord arcsec 2000
02 18 04.12 +57 32 07.4
Date first
1890
Date last
1958
Obs
4
Pa first
313
Pa last
313
P.A. Now (θ)
313°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
11.50
Mag sec
11.70
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+028
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
02181+5731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Chi Per 23149 02181+5731 BU 1170 A,BC 1835 2013 12 358 68.7 6.11 12.29 6.18
Show 23149 02181+5731 S 409 AD 1824 2011 20 136 123.4 6.11 9.62 3.51
Show 23149 02181+5731 BU 1170 AE 1880 2003 7 12 207.5 6.11 12.39 6.28
Show 23149 02181+5731 BU 1170 BC 1890 1958 4 313 0.3 11.50 11.70 0.20 <===
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
23149
HD
13994
HR
662
Flamsteed
7 Persei
Flamsteed name
7 Per
last precise pa
313.3
last precise sep
0.34