12189+5622 STF1630

 
 
12h 18m 53.81s +56 22' 06.0" P.A. 171 sep 2.5 mag 9.50,10.26 Sp G0 dist. 105.71 pc (344.83 l.y.)
 
 
Coord 2000
12189+5622
Discov num
STF1630
Comp
Coord arcsec 2000
12 18 53.81 +56 22 06.0
Date first
1831
Date last
2017
Obs
21
Pa first
166
Pa last
171
P.A. Now (θ)
171°
Sep first
1.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.50
Mag sec
10.26
delta mag (ΔM)
0.76
Spectral class
G0 (yellow)
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.1
Precise sep
2.542
Cdsa2 id
STF 1630
Constellation
Ursa Major
SAO
28334
HIP
60047
Tycho2
3837-00020-1
HD
238098
BD
BD+57 1366
Ra deg
12.314947222222223
De deg
56.36833333333333
Distance
105.71
Distance ly
344.83
last precise pa
171.1
last precise sep
2.542
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12189+5622 STF1630 2004 20 169 2.4 9.50 10.26 G0 121853.81+562206.0
12189+5622 STF1630 2017 21 171 2.5 9.50 10.26 G0 121853.81+562206.0

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