18240+3844 HO  432AB

 
 
18h 23m 57.27s +38 44' 21.0" P.A. 285 sep 17.2 mag 6.57,12.90 Sp K4III dist. 287.36 pc (937.37 l.y.)
 
 
Coord 2000
18240+3844
Discov num
HO  432
Comp
AB
Coord arcsec 2000
18 23 57.27 +38 44 21.0
Date first
1892
Date last
2006
Obs
7
Pa first
289
Pa last
285
P.A. Now (θ)
285°
Sep first
17.2
Sep last
17.2
Sep. Now (ρ)
17.2"
Mag pri
6.57
Mag sec
12.90
delta mag (ΔM)
6.33
Spectral class
K4III (yellow-orange)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18240+3844 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 66936 18240+3844 HO 432 AB 1892 2006 7 285 17.2 6.57 12.90 6.33 <===
Show 66936 18240+3844 HO 432 AC 1892 2006 5 42 60.5 6.57 11.50 4.93
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.2
Precise sep
17.2
Constellation
Lyra
SAO
66936
HIP
90163
Tycho2
3104-01866-1
HD
169646
HR
6901
BD
BD+38 3160
Distance
287.36
Distance ly
937.37
last precise pa
285.2
last precise sep
17.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18240+3844 HO 432 AB 2006 7 285 17.2 6.40 12.90 K4III D 182357.27+384421.0

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