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
Constellation
Ursa Major
SAO
28334
HIP
60047
Tycho2
3837-00020-1
HD
238098
BD
BD+57 1366
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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