02009+5258 A  1921

 
 
02h 00m 50.55s +52 57' 56.7" P.A. 67 sep 2.9 mag 9.62,9.78 Sp K0
 
 
Coord 2000
02009+5258
Discov num
A  1921
Comp
Coord arcsec 2000
02 00 50.55 +52 57 56.7
Date first
1906
Date last
2016
Obs
11
Pa first
74
Pa last
67
P.A. Now (θ)
67°
Sep first
2.6
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.62
Mag sec
9.78
delta mag (ΔM)
0.16
Spectral class
K0 (yellow-orange)
Pri motion ra
+052
Sec motion ra
Pri motion dec
-043
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.5
Precise sep
2.9
Constellation
Perseus
Tycho2
3685-00525-1
HD
12162
last precise pa
66.5
last precise sep
2.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02009+5258 A 1921 2007 8 68 2.9 9.62 9.78 K0 020050.55+525756.7
02009+5258 A 1921 2016 9 69 2.9 9.62 9.78 K0 020050.55+525756.7

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