02578+4431 STF 328AB

 
 
02h 57m 45.98s +44 31' 26.7" P.A. 306 sep 15.1 mag 9.23,9.30 Sp F8 dist. 79.94 pc (260.76 l.y.)
 
 
Coord 2000
02578+4431
Discov num
STF 328
Comp
AB
Coord arcsec 2000
02 57 45.98 +44 31 26.7
Date first
1794
Date last
2011
Obs
40
Pa first
284
Pa last
306
P.A. Now (θ)
306°
Sep first
35.3
Sep last
15.1
Sep. Now (ρ)
15.1"
Mag pri
9.23
Mag sec
9.30
delta mag (ΔM)
0.07
Spectral class
F8 (yellow-white)
Pri motion ra
+047
Sec motion ra
+110
Pri motion dec
+005
Sec motion dec
-021
Notes
N L Z (See Notes, Linear solution, Parallax indicates components are physical)
This double is physical.
 
 
02578+4431 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 38468 02578+4431 STF 328 AB 1794 2011 40 306 15.1 9.23 9.30 0.07 <===
Show 38468 02578+4431 STF 328 AC 1895 2011 8 96 46.4 9.23 11.82 2.59
Show 38468 02578+4431 B 9001 AD 1923 2002 3 116 100.4 9.23 13.16 3.93
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38468
HIP
13804
Tycho2
2858-02674-1
HD
18281
BD
BD+43 607
Distance
79.94
Distance ly
260.76
last precise pa
305.8
last precise sep
15.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02578+4431 STF 328 AB 2007 37 305 15.2 9.23 9.30 F8 NLD 025745.98+443126.7
02578+4431 STF 328 AB 2011 39 306 15.1 9.23 9.30 F8 NLD 025745.98+443126.7

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