02175+5704 BKO 164

 
 
02h 17m 27.67s +57 04' 16.4" P.A. 297 sep 10.9 mag 13.40,13.30
 
 
Coord 2000
02175+5704
Discov num
BKO 164
Comp
Coord arcsec 2000
02 17 27.67 +57 04 16.4
Date first
1914
Date last
2010
Obs
7
Pa first
291
Pa last
297
P.A. Now (θ)
297°
Sep first
9.9
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
13.40
Mag sec
13.30
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-001
Sec motion ra
-005
Pri motion dec
-002
Sec motion dec
-003
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.6
Precise sep
10.92
Constellation
Perseus
last precise pa
296.6
last precise sep
10.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02175+5704 BKO 164 2007 1 296 11.0 13.40 13.30 021727.67+570416.4
02175+5704 BKO 164 2010 7 296 10.7 13.40 13.30 021727.67+570416.4

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