01506+0231 HDO  54AB

 
 
01H 50M 36.65S +02 31' 00.0" P.A. 117 SEP 4.6 MAG 9.82,11.00 SP A5
 
 
Coord 2000
01506+0231
Discov num
HDO  54
Comp
AB
Coord arcsec 2000
01 50 36.65 +02 31 00.0
Date first
1867
Date last
2004
Obs
12
Pa first
117
Pa last
117
P.A. Now (θ)
117°
Sep first
4.5
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
9.82
Mag sec
11.00
delta mag (ΔM)
1.18
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
01506+0231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 01506+0231 HDO 54 AB 1867 2004 12 117 4.6 9.82 11.00 1.18 <===
Show 01506+0231 HDO 54 AC 1867 2006 8 213 17.4 9.82 12.83 3.01
Show 01506+0231 ABT 1 AD 1909 2002 6 208 71.0 9.82 12.83 3.01
Show 01506+0231 HDO 54 BC 1867 2000 6 227 18.0 11.00 12.83 1.83
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
Tycho2
0033-00330-1
last precise pa
116.6
last precise sep
4.56