15487+8337 STF2034

 
 
15h 48m 43.02s +83 37' 10.5" P.A. 108 sep 1.1 mag 7.68,7.95 Sp A3 dist. 381.68 pc (1245.04 l.y.)
 
 
Coord 2000
15487+8337
Discov num
STF2034
Comp
Coord arcsec 2000
15 48 43.02 +83 37 10.5
Date first
1831
Date last
2012
Obs
58
Pa first
115
Pa last
108
P.A. Now (θ)
108°
Sep first
1.4
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
7.68
Mag sec
7.95
delta mag (ΔM)
0.27
Spectral class
A3 (white)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.3
Precise sep
1.099
Constellation
Ursa Minor
SAO
2625
HIP
77448
Tycho2
4634-01923-1
HD
144463
BD
BD+84 351
Distance
381.68
Distance ly
1245.04
last precise pa
108.3
last precise sep
1.099
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15487+8337 STF2034 2001 55 111 1.1 7.68 7.95 A3 D 154843.02+833710.5
15487+8337 STF2034 2007 57 109 1.1 7.68 7.95 A3 D 154843.02+833710.5
15487+8337 STF2034 2012 58 108 1.1 7.68 7.95 A3 D 154843.02+833710.5

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