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 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
Constellation
Ursa Major
SAO
27670
HIP
51459
Tycho2
3819-01373-1
Gaia DR2
7756949120
HD
90839
HR
4112
GC
14427
GL
Gl 395
BD
BD+56 1459
Flamsteed
36 Ursae Majoris
Flamsteed name
36 UMa
Distance
12.78
Distance ly
41.69




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.