21312+8652 STF2858

 
 
21h 31m 09.14s +86 52' 19.2" P.A. 158 sep 14.5 mag 9.36,9.59 Sp K0+K0
 
 
Coord 2000
21312+8652
Discov num
STF2858
Comp
Coord arcsec 2000
21 31 09.14 +86 52 19.2
Date first
1831
Date last
2010
Obs
36
Pa first
165
Pa last
158
P.A. Now (θ)
158°
Sep first
15.0
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
9.36
Mag sec
9.59
delta mag (ΔM)
0.23
Spectral class
K0+K0 (yellow-orange/yellow-orange)
Pri motion ra
+135
Sec motion ra
+134
Pri motion dec
+087
Sec motion dec
+089
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.014 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
157.5
Precise sep
14.47
Constellation
Ursa Minor
Tycho2
4657-01040-1
HD
207929
last precise pa
157.5
last precise sep
14.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21312+8652 STF2858 2000 26 158 14.6 9.36 9.59 K0 K0 N DV 213109.14+865219.2
21312+8652 STF2858 2010 27 158 14.5 9.36 9.59 K0 K0 NVD 213109.14+865219.2

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