16520+7034 TOK 309

 
 
16h 51m 58.24s +70 33' 35.7" P.A. 111 sep 455 mag 10.50,18.53 Sp K5V dist. 48.73 pc (158.96 l.y.)
 
 
Coord 2000
16520+7034
Discov num
TOK 309
Comp
Coord arcsec 2000
16 51 58.24 +70 33 35.7
Date first
1980
Date last
2010
Obs
3
Pa first
111
Pa last
111
P.A. Now (θ)
111°
Sep first
454.6
Sep last
455.0
Sep. Now (ρ)
455"
Mag pri
10.50
Mag sec
18.53
delta mag (ΔM)
8.03
Spectral class
K5V (yellow-orange)
Pri motion ra
-072
Sec motion ra
-070
Pri motion dec
+009
Sec motion dec
+011
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
HIP
82522
Tycho2
4423-01170-1
Distance
48.73
Distance ly
158.96
last precise pa
110.5
last precise sep
455.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16520+7034 TOK 309 1980 1 111 454.6 10.50 18.53 V 165158.24+703335.7
16520+7034 TOK 309 1999 2 111 455.0 10.50 18.53 V 165158.24+703335.7
16520+7034 TOK 309 2010 3 111 455.1 10.50 18.53 K5V V 165158.24+703335.7

If you need more information about this double, apply for a data request form to the WDS.