17222+6345 ES  182

 
 
17h 22m 12.61s +63 45' 02.9" P.A. 21 sep 4.6 mag 10.20,12.70 Sp G0
 
 
Coord 2000
17222+6345
Discov num
ES  182
Comp
Coord arcsec 2000
17 22 12.61 +63 45 02.9
Date first
1903
Date last
2010
Obs
7
Pa first
19
Pa last
21
P.A. Now (θ)
21°
Sep first
6.5
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
10.20
Mag sec
12.70
delta mag (ΔM)
2.5
Spectral class
G0 (yellow)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+044
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.4
Precise sep
4.56
Constellation
Draco
SAO
17452
Tycho2
4206-00146-1
last precise pa
21.4
last precise sep
4.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17222+6345 ES 182 1999 6 20 4.6 10.20 12.70 G0 D 172212.61+634502.9
17222+6345 ES 182 2010 7 26 5.1 10.20 12.70 G0 172212.61+634502.9

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