17222+3609 ES 2227

 
 
17h 22m 15.42s +36 09' 25.5" P.A. 176 sep 4.7 mag 11.26,11.46
 
 
Coord 2000
17222+3609
Discov num
ES 2227
Comp
Coord arcsec 2000
17 22 15.42 +36 09 25.5
Date first
1926
Date last
2010
Obs
13
Pa first
175
Pa last
176
P.A. Now (θ)
176°
Sep first
5.0
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
11.26
Mag sec
11.46
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-028
Notes
rPM=0.868
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.3
Precise sep
4.67
Constellation
Hercules
Tycho2
2604-01549-2
last precise pa
176.3
last precise sep
4.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17222+3609 ES 2227 1998 10 177 4.8 11.26 11.46 D 172215.42+360925.5
17222+3609 ES 2227 2008 11 177 4.8 11.26 11.46 D 172215.42+360925.5
17222+3609 ES 2227 2010 13 176 4.7 11.26 11.46 172215.42+360925.5

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