18218+6358 ES 1837

 
 
18h 21m 46.99s +63 57' 14.6" P.A. 216 sep 15.3 mag 9.83,11.60
 
 
Coord 2000
18218+6358
Discov num
ES 1837
Comp
Coord arcsec 2000
18 21 46.99 +63 57 14.6
Date first
1920
Date last
2015
Obs
9
Pa first
269
Pa last
216
P.A. Now (θ)
216°
Sep first
6.6
Sep last
15.3
Sep. Now (ρ)
15.3"
Mag pri
9.83
Mag sec
11.60
delta mag (ΔM)
1.77
Spectral class
Pri motion ra
+019
Sec motion ra
+000
Pri motion dec
+115
Sec motion dec
-007
Notes
rPM=1.059
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.1
Precise sep
15.282
Constellation
Draco
Tycho2
4222-01770-1
Gaia DR2
02557326464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18218+6358 ES 1837 1920 1 269 6.6 9.83 11.60 182146.99+635714.6
18218+6358 ES 1837 2011 2 217 14.8 9.83 11.60 182146.99+635714.6
18218+6358 ES 1837 2015 5 216 15.2 9.83 11.60 182146.99+635714.6

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