10171+1309 BOY   4Aa,Ab

 
 
10H 17M 07.55S +13 08' 39.4" P.A. 83 SEP 0.1 MAG 17.88,18.65
 
 
Coord 2000
10171+1309
Discov num
BOY   4
Comp
Aa,Ab
Coord arcsec 2000
10 17 07.55 +13 08 39.4
Date first
2001
Date last
2006
Obs
4
Pa first
88
Pa last
83
P.A. Now (θ)
83°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
17.88
Mag sec
18.65
delta mag (ΔM)
0.77
Spectral class
Pri motion ra
+061
Sec motion ra
Pri motion dec
-094
Sec motion dec
Notes
N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
10171+1309 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10171+1309 BOY 4 Aa,Ab 2001 2006 4 83 0.1 17.88 18.65 0.77 <===
Show 10171+1309 JMS 2 AB 1997 1997 1 118 125.3 12.71 17.37 4.66
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
last precise pa
83.1
last precise sep
0.087