17169+8902 HJ 2985 (Lam UMi)

 
 
17h 16m 57.26s +89 02' 15.8" P.A. 236 sep 53.8 mag 6.38,14.10 Sp M1III dist. 271.74 pc (886.42 l.y.)
 
 
Coord 2000
17169+8902
Discov num
HJ 2985
Comp
Coord arcsec 2000
17 16 57.26 +89 02 15.8
Date first
1831
Date last
2013
Obs
6
Pa first
289
Pa last
236
P.A. Now (θ)
236°
Sep first
60.0
Sep last
53.8
Sep. Now (ρ)
53.8"
Mag pri
6.38
Mag sec
14.10
delta mag (ΔM)
7.72
Spectral class
M1III (red)
Pri motion ra
-023
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.4
Precise sep
53.8
Name
Lam UMi
Constellation
Ursa Minor
SAO
3020
HIP
84535
Tycho2
4659-00074-1
HD
183030
HR
7394
GC
25111
BD
BD+88 112
Bayer
Lambda Ursae Minoris
Bayer name
Lam UMi
Distance
271.74
Distance ly
886.42
last precise pa
236.4
last precise sep
53.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17169+8902 HJ 2985 1906 2 269 54.8 6.38 14.10 M1III N 171657.26+890215.8
17169+8902 HJ 2985 2013 5 236 53.8 6.38 14.10 M1III N 171657.26+890215.8

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