15253+7428 A  1121

 
 
15h 25m 17.94s +74 27' 10.1" P.A. 71 sep 2.7 mag 9.69,12.71 Sp K3: dist. 31.58 pc (103.01 l.y.)
 
 
Coord 2000
15253+7428
Discov num
A  1121
Comp
Coord arcsec 2000
15 25 17.94 +74 27 10.1
Date first
1905
Date last
1991
Obs
6
Pa first
87
Pa last
71
P.A. Now (θ)
71°
Sep first
3.6
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
9.69
Mag sec
12.71
delta mag (ΔM)
3.02
Spectral class
K3: (yellow-orange)
Pri motion ra
-015
Sec motion ra
-013
Pri motion dec
-247
Sec motion dec
-248
Notes
rPM=0.009 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.1
Precise sep
2.65
Constellation
Ursa Minor
HIP
75495
Tycho2
4417-00069-1
BD
BD+74 618
Distance
31.58
Distance ly
103.01
last precise pa
71.1
last precise sep
2.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15253+7428 A 1121 1991 6 71 2.7 9.69 12.71 K3: 152517.94+742710.1

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