18439+6039 ES  189

 
 
18h 43m 52.35s +60 38' 47.9" P.A. 107 sep 3.5 mag 10.20,12.20 Sp F5
 
 
Coord 2000
18439+6039
Discov num
ES  189
Comp
Coord arcsec 2000
18 43 52.35 +60 38 47.9
Date first
1903
Date last
2002
Obs
4
Pa first
104
Pa last
107
P.A. Now (θ)
107°
Sep first
4.3
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.20
Mag sec
12.20
delta mag (ΔM)
2
Spectral class
F5 (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.4
Precise sep
3.49
Constellation
Draco
Tycho2
4215-01995-1
last precise pa
107.4
last precise sep
3.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18439+6039 ES 189 2002 4 107 3.5 10.20 12.20 F5 184352.35+603847.9

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