02543+5246 BU 1376 AC

 
 
02h 54m 15.46s +52° 45' 45.0" P.A. 107.00 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 106.9 P.A. Now (θ) 106.9°
Sep first 50.7 Sep last 50.909 Sep. Now (ρ) 50.909"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 23685 02 54 15 +52 45 45 LAB 1 Aa,Ab 2010 13 277 0.1 4.20 5.90 1.70 Y
Show Tau Per 23685 02 54 15 +52 45 45 EDG 1 AB 2015 9 107 51.0 3.95 12.28 8.33
Show 23685 02 54 15 +52 45 45 BU 1376 AC 2014 5 107 50.9 3.95 12.70 8.75 <===
Show 23685 02 54 15 +52 45 45 BU 1376 AD 2015 4 338 41.9 3.95 11.50 7.55
Show 02 54 21 +52 45 30 BU 1376 BC 2009 7 86 4.2 12.28 12.70 0.42
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 23685 HIP 13531 Tycho2 3701-01394-1
Gaia DR2 441161693272720640 HD 17878 HR 854 GC 3462
ADS 2202 BD BD+52 641 Bayer Tau Persei Bayer name Tau Per
Flamsteed 18 Persei Flamsteed name 18 Per FK5 103 Distance 77.94
Distance ly 254.24 Bayer greek τ Per