02543+5246 BU 1376AC

 
 
02h 54m 15.46s +52 45' 45.0" P.A. 107 sep 50.9 mag 3.95,12.70 Sp G4III+A4V dist. 77.94 pc (254.24 l.y.)
 
 
Coord 2000
02543+5246
Discov num
BU 1376
Comp
AC
Coord arcsec 2000
02 54 15.46 +52 45 45.0
Date first
1878
Date last
2014
Obs
5
Pa first
106
Pa last
107
P.A. Now (θ)
107°
Sep first
50.7
Sep last
50.9
Sep. Now (ρ)
50.9"
Mag pri
3.95
Mag sec
12.70
delta mag (ΔM)
8.75
Spectral class
G4III+A4V (yellow/white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
 
 
Precise pa
106.9
Precise sep
50.909
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
106.9
last precise sep
50.909
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02543+5246 BU 1376 AC 1878 1 106 50.7 3.95 12.70 025415.46+524545.0
02543+5246 BU 1376 AC 2009 3 106 55.5 3.95 12.70 D 025415.46+524545.0
02543+5246 BU 1376 AC 2014 5 107 50.9 3.95 12.70 G4III+A4V N 025415.46+524545.0

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