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
 
 
Precise pa
83.1
Precise sep
0.087
Cdsa2 id
BOY 4 Aa,Ab
Constellation
Leo
Ra deg
10.285430555555555
De deg
13.144277777777777
last precise pa
83.1
last precise sep
0.087
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10171+1309 BOY 4 Aa,Ab 2001 3 89 0.1 17.88 18.65 DR 101707.54+130839.8
10171+1309 BOY 4 Aa,Ab 2006 4 83 0.1 17.88 18.65 N DR 101707.54+130839.8

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