12115+5325 STF1608AB (MZ UMa)

 
 
12h 11m 27.76s +53 25' 17.5" P.A. 221 sep 13.6 mag 8.11,8.27 Sp K0 dist. 30.15 pc (98.35 l.y.)
 
 
Coord 2000
12115+5325
Discov num
STF1608
Comp
AB
Coord arcsec 2000
12 11 27.76 +53 25 17.5
Date first
1823
Date last
2017
Obs
119
Pa first
224
Pa last
221
P.A. Now (θ)
221°
Sep first
12.1
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
8.11
Mag sec
8.27
delta mag (ΔM)
0.16
Spectral class
K0 (yellow-orange)
Pri motion ra
-164
Sec motion ra
-169
Pri motion dec
-123
Sec motion dec
-136
Notes
N L V (See Notes, Linear solution, Proper motion indicates physical)
rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
12115+5325 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show MZ UMa 28287 12115+5325 STF1608 AB 1823 2017 119 221 13.6 8.11 8.27 0.16 <===
Show 28287 12115+5325 SHY 233 AC 1991 1999 3 117 999.9 8.10 11.27 3.17
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221.1
Precise sep
13.556
Var name
MZ UMa
Cdsa2 id
STF 1608 AB
Constellation
Ursa Major
SAO
28287
HIP
59432
Tycho2
3834-01089-1
HD
105963
GL
NN 3711A
BD
BD+54 1499
Ra deg
12.191044444444445
De deg
53.421527777777776
Distance
30.15
Distance ly
98.35
last precise pa
221.1
last precise sep
13.556
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12115+5325 STF1608 AB 2010 95 221 13.4 8.11 8.27 K0 NLDV 121127.76+532517.5
12115+5325 STF1608 AB 2014 97 221 13.5 8.11 8.27 K0 NLDV 121127.76+532517.5
12115+5325 STF1608 AB 2017 119 221 13.6 8.11 8.27 K0 NL V 121127.76+532517.5

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