02543+5246 EDG   1AB (Tau Per)

 
 
02H 54M 15.46S +52 45' 45.0" P.A. 107 SEP 51.6 MAG 3.95,12.28 SP G4III+A4V DIST. 77.94 PC (254.24 L.Y.)
 
 
Coord 2000
02543+5246
Discov num
EDG   1
Comp
AB
Coord arcsec 2000
02 54 15.46 +52 45 45.0
Date first
1878
Date last
2009
Obs
8
Pa first
109
Pa last
107
P.A. Now (θ)
107°
Sep first
47.3
Sep last
51.6
Sep. Now (ρ)
51.6"
Mag pri
3.95
Mag sec
12.28
delta mag (ΔM)
8.33
Spectral class
G4III+A4V (yellow/white)
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-004
Sec motion dec
-001
Notes
N (See Notes)
rPM=1.029
This double is not physical.
 
 
02543+5246 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23685 02543+5246 LAB 1 Aa,Ab 1973 1994 12 261 0.0 4.20 5.90 1.70 Y
Show Tau Per 23685 02543+5246 EDG 1 AB 1878 2009 8 107 51.6 3.95 12.28 8.33 <===
Show 23685 02543+5246 BU 1376 AC 1878 2014 5 107 50.9 3.95 12.70 8.75
Show 23685 02543+5246 BU 1376 AD 1900 2002 3 338 42.9 3.95 11.50 7.55
Show 02543+5246 BU 1376 BC 1878 2009 7 86 4.2 12.28 12.70 0.42
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Tau Per
Constellation
Perseus
SAO
23685
HIP
13531
HD
17878
HR
854
GC
3462
BD
BD+52 641
Bayer
Tau Persei
Bayer name
Tau Per
Flamsteed
18 Persei
Flamsteed name
18 Per
Distance
77.94
Distance ly
254.24
last precise pa
107.3
last precise sep
51.58