02173+5228 STF 236AC

 
 
02h 17m 20.25s +52 28' 09.5" P.A. 325 sep 12.1 mag 9.40,14.60 Sp A2 dist. 223.71 pc (729.74 l.y.)
 
 
Coord 2000
02173+5228
Discov num
STF 236
Comp
AC
Coord arcsec 2000
02 17 20.25 +52 28 09.5
Date first
1909
Date last
2002
Obs
3
Pa first
327
Pa last
325
P.A. Now (θ)
325°
Sep first
11.6
Sep last
12.1
Sep. Now (ρ)
12.1"
Mag pri
9.40
Mag sec
14.60
delta mag (ΔM)
5.2
Spectral class
A2 (white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02173+5228 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23132 02173+5228 STF 236 AB 1831 2015 21 251 1.3 9.40 10.00 0.60
Show 23132 02173+5228 STF 236 AC 1909 2002 3 325 12.1 9.40 14.60 5.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325.2
Precise sep
12.119
Constellation
Perseus
SAO
23132
HIP
10674
Tycho2
3306-01930-1
HD
13954
BD
BD+51 535
Distance
223.71
Distance ly
729.74
last precise pa
325.2
last precise sep
12.119
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02173+5228 STF 236 AC 1998 2 325 12.0 9.40 14.60 D 021720.25+522809.5
02173+5228 STF 236 AC 2002 3 325 12.1 9.40 14.60 D 021720.25+522809.5

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