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
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.6
Precise sep
9.8
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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