02172+5838 HDS 302Aa,Ab

 
 
02h 17m 11.95s +58 38' 10.1" P.A. 244 sep 0.4 mag 8.26,10.81 Sp F5V dist. 95.42 pc (311.26 l.y.)
 
 
Coord 2000
02172+5838
Discov num
HDS 302
Comp
Aa,Ab
Coord arcsec 2000
02 17 11.95 +58 38 10.1
Date first
1991
Date last
2011
Obs
12
Pa first
271
Pa last
244
P.A. Now (θ)
244°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.26
Mag sec
10.81
delta mag (ΔM)
2.55
Spectral class
F5V (yellow-white)
Pri motion ra
+073
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
02172+5838 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23123 02172+5838 HDS 302 Aa,Ab 1991 2011 12 244 0.4 8.26 10.81 2.55 <===
Show 23123 02172+5838 HJL 31 AB 1908 2015 14 322 57.0 8.13 10.05 1.92
Show 23123 02172+5838 FMR 23 AC 2009 2009 1 151 5.6 8.13 15.00 6.87
Show 23122 02172+5838 YSC 87 Ba,Bb 2008 2011 8 199 0.6 10.00 14.60 4.60
Quintuple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.7
Precise sep
0.4
Constellation
Perseus
SAO
23123
HIP
10660
Tycho2
3698-02158-1
HD
13865
BD
BD+57 531
Distance
95.42
Distance ly
311.26
last precise pa
243.7
last precise sep
0.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02172+5838 HDS 302 Aa,Ab 1991 1 271 0.4 8.26 10.81 021711.96+583810.1
02172+5838 HDS 302 Aa,Ab 2004 2 244 0.4 8.26 10.81 021711.96+583810.1
02172+5838 HDS 302 Aa,Ab 2007 5 244 0.4 8.26 10.81 D 021711.96+583810.1
02172+5838 HDS 302 Aa,Ab 2010 6 245 0.4 8.26 10.81 D 021711.96+583810.1
02172+5838 HDS 302 Aa,Ab 2011 12 244 0.4 8.26 10.81 F5V N 021711.95+583810.1

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