10306+5559 LDS2863AB (36 UMa)

10h 30m 37.58s +55 58' 49.9" P.A. 303 sep 122.8 mag 4.88,8.86 Sp F6V dist. 12.78 pc (41.69 l.y.)

Coord 2000
10306+5559
Discov num
LDS2863
Comp
AB
Coord arcsec 2000
10 30 37.58 +55 58 49.9
Date first
1905
Date last
2016
Obs
16
Pa first
303
Pa last
303
P.A. Now (θ)
303°
Sep first
122.5
Sep last
122.8
Sep. Now (ρ)
122.8"
Mag pri
4.88
Mag sec
8.86
delta mag (ΔM)
3.98
Spectral class
F6V (yellow-white)
Pri motion ra
-177
Sec motion ra
-182
Pri motion dec
-033
Sec motion dec
-031
Notes
N V (See Notes, Proper motion indicates physical)


rPM=0.029 (< 0.3, Physical double)

This double is physical.



10306+5559 SYSTEM COMPONENTS

Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 36 UMa 27670 10306+5559 LDS2863 AB 1905 2016 16 303 122.8 4.88 8.86 3.98 <===
Show 27670 10306+5559 ARN 4 AC 1991 2004 5 292 240.6 4.88 11.44 6.56
Triple system
3 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
302.9
Precise sep
122.8
Name
36 UMa
Cdsa2 id
LDS 2863 AB
Constellation
Ursa Major
SAO
27670
HIP
51459
Tycho2
3819-01373-1
HD
90839
HR
4112
GC
14427
GL
Gl 395
BD
BD+56 1459
Flamsteed
36 Ursae Majoris
Flamsteed name
36 UMa
Ra deg
10.510438888888888
De deg
55.98052777777778
Distance
12.78
Distance ly
41.69
last precise pa
302.9
last precise sep
122.8




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10306+5559 LDS2863 AB 2002 12 304 122.5 4.88 8.86 F6V N DV 103037.58+555849.9
10306+5559 LDS2863 AB 2012 13 303 122.5 4.88 8.86 F6V NVD 103037.58+555849.9
10306+5559 LDS2863 AB 2016 16 303 122.8 4.88 8.86 F6V NV 103037.58+555849.9

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