02471+3744 A  1821AC

 
 
02H 47M 08.57S +37 43' 44.7" P.A. 44 SEP 10.6 MAG 8.53,13.20 SP B9 DIST. 549.45 PC (1792.31 L.Y.)
 
 
Coord 2000
02471+3744
Discov num
A  1821
Comp
AC
Coord arcsec 2000
02 47 08.57 +37 43 44.7
Date first
1908
Date last
2001
Obs
5
Pa first
41
Pa last
44
P.A. Now (θ)
44°
Sep first
10.5
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
8.53
Mag sec
13.20
delta mag (ΔM)
4.67
Spectral class
B9 (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02471+3744 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 55874 02471+3744 A 1821 AB 1908 1999 4 165 5.0 8.53 14.70 6.17
Show 55874 02471+3744 A 1821 AC 1908 2001 5 44 10.6 8.53 13.20 4.67 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
55874
HIP
13001
Tycho2
2845-02131-1
HD
17239
BD
BD+37 632
Distance
549.45
Distance ly
1792.31
last precise pa
44
last precise sep
10.58