03579+4001 STF 471AB (Eps Per)

 
 
03h 57m 51.22s +40 00' 36.9" P.A. 10 sep 9.1 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
2015
Obs
49
Pa first
10
Pa last
10
P.A. Now (θ)
10°
Sep first
8.6
Sep last
9.1
Sep. Now (ρ)
9.1"
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 2015 49 10 9.1 2.85 8.88 6.03 <===
Show 03579+4001 STF 471 AC 1912 2015 5 10 80.1 2.85 13.90 11.05
Show 03579+4001 ARN 59 AD 1991 2015 7 146 163.2 2.85 9.25 6.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.8
Precise sep
9.05
Name
Eps Per
Constellation
Perseus
SAO
56840
HIP
18532
Tycho2
2868-01623-1
Gaia DR2
4419041280
HD
24760
HR
1220
GC
4759
BD
BD+39 895
Bayer
Epsilon Persei
Bayer name
Eps Per
Flamsteed
45 Persei
Flamsteed name
45 Per
Distance
195.69
Distance ly
638.34
 
 
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
03579+4001 STF 471 AB 2015 49 10 9.1 2.85 8.88 B0.5V+A2V N 035751.22+400036.9

If you need more information about this double, apply for a data request form to the WDS.