18500+1519 LLO  16AD

 
 
18h 50m 02.00s +15 18' 40.3" P.A. 228 sep 15 mag 5.99,13.50 Sp F8
 
 
Coord 2000
18500+1519
Discov num
LLO  16
Comp
AD
Coord arcsec 2000
18 50 02.00 +15 18 40.3
Date first
1999
Date last
2001
Obs
2
Pa first
225
Pa last
228
P.A. Now (θ)
228°
Sep first
15.7
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
5.99
Mag sec
13.50
delta mag (ΔM)
7.51
Spectral class
F8 (yellow-white)
Pri motion ra
+102
Sec motion ra
Pri motion dec
+131
Sec motion dec
Notes
N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
18500+1519 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18500+1519 YSC 12 AB 2001 2015 7 227 0.5 7.60 11.30 3.70 Y
Show 18500+1519 LLO 16 AC 1999 2001 2 19 11.1 5.99 13.30 7.31
Show 18500+1519 LLO 16 AD 1999 2001 2 228 15.0 5.99 13.50 7.51 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
227.8
last precise sep
15.031
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18500+1519 LLO 16 AD 2001 2 228 15.0 5.99 13.50 F8 NU K 185002.00+151840.3

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