18554+6420 MLR  59

 
 
18h 55m 23.05s +64 20' 16.4" P.A. 286 sep 0.8 mag 9.90,12.90 Sp A5
 
 
Coord 2000
18554+6420
Discov num
MLR  59
Comp
Coord arcsec 2000
18 55 23.05 +64 20 16.4
Date first
1970
Date last
2008
Obs
5
Pa first
286
Pa last
286
P.A. Now (θ)
286°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.90
Mag sec
12.90
delta mag (ΔM)
3
Spectral class
A5 (white)
Pri motion ra
-024
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.6
Precise sep
0.802
Constellation
Draco
SAO
18072
Tycho2
4224-00416-1
last precise pa
285.6
last precise sep
0.802
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18554+6420 MLR 59 1989 4 291 0.7 9.90 12.90 A5 185523.05+642016.4
18554+6420 MLR 59 2008 5 286 0.8 9.90 12.90 A5 185523.05+642016.4

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