01508+5939 MLB  47AB

 
 
01h 50m 50.91s +59 38' 11.0" P.A. 180 sep 2.4 mag 10.29,12.30 Sp B9
 
 
Coord 2000
01508+5939
Discov num
MLB  47
Comp
AB
Coord arcsec 2000
01 50 50.91 +59 38 11.0
Date first
1918
Date last
2005
Obs
3
Pa first
174
Pa last
180
P.A. Now (θ)
180°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.29
Mag sec
12.30
delta mag (ΔM)
2.01
Spectral class
B9 (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
01508+5939 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 01508+5939 MLB 47 AB 1918 2005 3 180 2.4 10.29 12.30 2.01 <===
Show 01508+5939 MLB 47 AC 1902 2008 9 130 36.8 10.29 11.20 0.91
Show 01508+5939 MLB 47 CD 1918 2003 3 299 5.2 11.20 12.50 1.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
Tycho2
3696-02076-1
last precise pa
179.9
last precise sep
2.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01508+5939 MLB 47 AB 2005 3 180 2.3 10.00 12.30 015050.90+593810.9

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