02173+5706 BKO 163

 
 
02h 17m 20.69s +57 06' 10.4" P.A. 338 sep 9.8 mag 11.80,12.80
 
 
Coord 2000
02173+5706
Discov num
BKO 163
Comp
Coord arcsec 2000
02 17 20.69 +57 06 10.4
Date first
1908
Date last
2010
Obs
8
Pa first
337
Pa last
338
P.A. Now (θ)
338°
Sep first
9.7
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.80
Mag sec
12.80
delta mag (ΔM)
1
Spectral class
Pri motion ra
-002
Sec motion ra
-003
Pri motion dec
-002
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
last precise pa
337.6
last precise sep
9.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02173+5706 BKO 163 2007 1 335 9.8 11.80 12.80 021720.69+570610.4
02173+5706 BKO 163 2010 8 338 9.8 11.80 12.80 021720.69+570610.4

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