18517+2041 J   809

 
 
18h 51m 39.41s +20 41' 20.1" P.A. 211 sep 1.6 mag 11.30,11.28
 
 
Coord 2000
18517+2041
Discov num
J   809
Comp
Coord arcsec 2000
18 51 39.41 +20 41 20.1
Date first
1912
Date last
2015
Obs
14
Pa first
211
Pa last
211
P.A. Now (θ)
211°
Sep first
1.0
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
11.30
Mag sec
11.28
delta mag (ΔM)
0.02
Spectral class
Pri motion ra
-015
Sec motion ra
-015
Pri motion dec
-046
Sec motion dec
-046
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.9
Precise sep
1.606
Constellation
Hercules
Tycho2
1596-02627-1
Gaia DR2
4519171018436145024
HD
349419
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18517+2041 J 809 2000 13 208 1.5 11.30 11.28 185139.41+204120.1
18517+2041 J 809 2015 14 211 1.6 11.30 11.28 185139.41+204120.1

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