03579+4001 STF 471AB (Eps Per)

 
 
03h 57m 51.22s +40 00' 36.9" P.A. 10 sep 8.7 mag 2.85,8.88 Sp B0.5V+A2V dist. 195.69 pc (638.34 l.y.)
 
 
Coord 2000
03579+4001
Discov num
STF 471
Comp
AB
Coord arcsec 2000
03 57 51.22 +40 00 36.9
Date first
1821
Date last
2012
Obs
48
Pa first
10
Pa last
10
P.A. Now (θ)
10°
Sep first
8.6
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
2.85
Mag sec
8.88
delta mag (ΔM)
6.03
Spectral class
B0.5V+A2V (blue-white/white)
Pri motion ra
+018
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
03579+4001 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eps Per 56840 03579+4001 STF 471 AB 1821 2012 48 10 8.7 2.85 8.88 6.03 <===
Show 56840 03579+4001 STF 471 AC 1912 2009 4 10 79.9 2.85 13.90 11.05
Show 56840 03579+4001 ARN 59 AD 1991 2013 6 146 163.2 2.85 9.25 6.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
10
Precise sep
8.7
Name
Eps Per
Cdsa2 id
STF 471 AB
Constellation
Perseus
SAO
56840
HIP
18532
Tycho2
2868-01623-1
HD
24760
HR
1220
GC
4759
BD
BD+39 895
Bayer
Epsilon Persei
Bayer name
Eps Per
Flamsteed
45 Persei
Flamsteed name
45 Per
Ra deg
3.964227777777778
De deg
40.01025
Distance
195.69
Distance ly
638.34
last precise pa
10
last precise sep
8.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03579+4001 STF 471 AB 2007 43 10 8.8 2.85 8.88 B0.5V+A2V N D 035751.22+400036.9
03579+4001 STF 471 AB 2008 47 10 8.7 2.85 8.88 B0.5V+A2V N D 035751.22+400036.9
03579+4001 STF 471 AB 2012 49 10 8.7 2.85 8.88 B0.5V A2V N D 035751.22+400036.9

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