18471+5356 A  1382

 
 
18h 47m 05.74s +53 55' 46.2" P.A. 226 sep 4.7 mag 9.58,12.90 Sp F2
 
 
Coord 2000
18471+5356
Discov num
A  1382
Comp
Coord arcsec 2000
18 47 05.74 +53 55 46.2
Date first
1906
Date last
2003
Obs
6
Pa first
226
Pa last
226
P.A. Now (θ)
226°
Sep first
4.5
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
9.58
Mag sec
12.90
delta mag (ΔM)
3.32
Spectral class
F2 (yellow-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.9
Precise sep
4.673
Constellation
Draco
last precise pa
225.9
last precise sep
4.673
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18471+5356 A 1382 1998 5 225 4.7 9.58 12.90 F2 D 184705.74+535546.2
18471+5356 A 1382 2003 6 226 4.7 9.58 12.90 F2 D 184705.74+535546.2
18471+5356 A 1382 2010 7 222 4.0 9.58 12.90 F2 184705.74+535546.2

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