18404+2845 MLB 466BC

 
 
18h 40m 21.92s +28 45' 42.2" P.A. 289 sep 4.7 mag 12.45,13.50
 
 
Coord 2000
18404+2845
Discov num
MLB 466
Comp
BC
Coord arcsec 2000
18 40 21.92 +28 45 42.2
Date first
1926
Date last
2002
Obs
4
Pa first
305
Pa last
289
P.A. Now (θ)
289°
Sep first
4.2
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
12.45
Mag sec
13.50
delta mag (ΔM)
1.05
Spectral class
Pri motion ra
+037
Sec motion ra
-027
Pri motion dec
-023
Sec motion dec
-015
Notes
Nature of this double is uncertain.
 
 
18404+2845 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 86310 18404+2845 MLB 466 AB 1926 2002 5 351 42.8 10.18 12.45 2.27
Show 86310 18404+2845 MLB 466 AC 1982 2002 3 346 45.1 10.18 13.50 3.32
Show 86310 18404+2845 SLE 96 AD 1982 2002 3 53 35.5 10.18 12.20 2.02
Show 86310 18404+2845 SLE 96 AE 1982 2002 3 280 67.2 10.18 12.60 2.42
Show 18404+2845 MLB 466 BC 1926 2002 4 289 4.7 12.45 13.50 1.05 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
last precise pa
289.4
last precise sep
4.662
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18404+2845 MLB 466 BC 2000 3 291 4.6 11.40 12.40 D 184021.92+284542.2
18404+2845 MLB 466 BC 2002 4 289 4.7 12.45 13.50 D 184021.92+284542.2

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