01506+0231 HDO  54AC

 
 
01H 50M 36.65S +02 31' 00.0" P.A. 213 SEP 17.4 MAG 9.82,12.83 SP A5
 
 
Coord 2000
01506+0231
Discov num
HDO  54
Comp
AC
Coord arcsec 2000
01 50 36.65 +02 31 00.0
Date first
1867
Date last
2006
Obs
8
Pa first
213
Pa last
213
P.A. Now (θ)
213°
Sep first
14.3
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
9.82
Mag sec
12.83
delta mag (ΔM)
3.01
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
-008
Pri motion dec
+000
Sec motion dec
-019
Notes
rPM=0.982
This double is not physical.
 
 
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
212.8
last precise sep
17.35