18503+1228 J   468AB

 
 
18h 50m 17.00s +12 28' 02.7" P.A. 241 sep 2 mag 11.06,13.10 Sp A0
 
 
Coord 2000
18503+1228
Discov num
J   468
Comp
AB
Coord arcsec 2000
18 50 17.00 +12 28 02.7
Date first
1911
Date last
1955
Obs
3
Pa first
334
Pa last
241
P.A. Now (θ)
241°
Sep first
1.2
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
11.06
Mag sec
13.10
delta mag (ΔM)
2.04
Spectral class
A0 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18503+1228 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18503+1228 J 468 AB 1911 1955 3 241 2.0 11.06 13.10 2.04 <===
Show 18503+1228 J 468 AC 1999 2009 3 141 9.6 11.06 15.00 3.94
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.4
Precise sep
1.95
Constellation
Hercules
last precise pa
241.4
last precise sep
1.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18503+1228 J 468 AB 1955 3 241 2.0 11.06 13.10 A0 185017.00+122802.7

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