10049+5529 GIR   2AC

 
 
10h 04m 54.93s +55 29' 16.5" P.A. 175 sep 132.3 mag 7.91,9.72 Sp K5 dist. 520.83 pc (1698.95 l.y.)
 
 
Coord 2000
10049+5529
Discov num
GIR   2
Comp
AC
Coord arcsec 2000
10 04 54.93 +55 29 16.5
Date first
1991
Date last
2007
Obs
6
Pa first
175
Pa last
175
P.A. Now (θ)
175°
Sep first
132.3
Sep last
132.3
Sep. Now (ρ)
132.3"
Mag pri
7.91
Mag sec
9.72
delta mag (ΔM)
1.81
Spectral class
K5 (yellow-orange)
Pri motion ra
-005
Sec motion ra
-003
Pri motion dec
-003
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
10049+5529 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 27506 10049+5529 STF1402 AB 1830 2010 45 106 32.7 7.91 8.92 1.01
Show 27506 10049+5529 GIR 2 AC 1991 2007 6 175 132.3 7.91 9.72 1.81 <===
Show 27507 10049+5529 TDS7005 CD 1991 1991 1 249 0.4 10.36 10.41 0.05
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
27506
HIP
49382
Tycho2
3818-01307-1
HD
87194
BD
BD+56 1428
Distance
520.83
Distance ly
1698.95
last precise pa
175.4
last precise sep
132.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10049+5529 GIR 2 AC 2007 4 175 132.3 7.91   K5 D 100454.93+552916.5

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