18517+6222 ES 1841

 
 
18h 51m 43.71s +62 22' 56.6" P.A. 105 sep 3.4 mag 10.81,13.30
 
 
Coord 2000
18517+6222
Discov num
ES 1841
Comp
Coord arcsec 2000
18 51 43.71 +62 22 56.6
Date first
1920
Date last
2015
Obs
3
Pa first
105
Pa last
105
P.A. Now (θ)
105°
Sep first
3.0
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
10.81
Mag sec
13.30
delta mag (ΔM)
2.49
Spectral class
Pri motion ra
-019
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.9
Precise sep
3.35
Constellation
Draco
SAO
18053
Tycho2
4220-01420-1
Gaia DR2
2156920588800698624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18517+6222 ES 1841 1920 1 105 3.0 10.81 13.30 185143.71+622256.6
18517+6222 ES 1841 2011 2 105 3.4 10.81 13.30 185143.71+622256.6
18517+6222 ES 1841 2015 3 105 3.4 10.81 13.30 185143.71+622256.6

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