04287+1552 BPMA 7 BC

 
 
04h 28m 34.43s +15° 57' 44.0" P.A. 75.00 sep 268.3 mag 3.84,11.96 Sp K0IIIb dist. 47.33 pc (154.39 l.y.)
 
 
Coord 2000 04287+1552 Discov num BPMA  7 Comp BC Coord arcsec 2000 04 28 34.43 +15 57 44.0
Date first 1996 Date last 2015 Obs 7
Pa first 75 Pa last 74.9 P.A. Now (θ) 74.9°
Sep first 268.4 Sep last 268.26 Sep. Now (ρ) 268.26"
Mag pri 3.84 Mag sec 11.96 delta mag (ΔM) 8.12 Spectral class K0IIIb (yellow-orange)
Pri motion ra +105 Sec motion ra +110
Pri motion dec -015 Sec motion dec -027
Notes N T (See Notes, Parallax indicates physical)
rPM=0.115 (< 0.3, Physical double)
This double is physical.
 
 
04287+1552 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 93957 04 28 40 +15 52 15 MKT 13 Aa,Ab 1998 34 334 0.0 3.74 4.86 1.12 Y
Show Chamukuy 93957 04 28 40 +15 52 15 STFA 10 AB 2019 46 347 336.9 3.41 3.94 0.53
Show 93955 04 28 34 +15 57 44 MCA 15 Ba,Bb 2020 51 351 0.2 3.84 7.30 3.46 Y
Show 93955 04 28 34 +15 57 44 BPMA 7 BC 2015 7 75 268.3 3.84 11.96 8.12 <===
Quintuple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 93955 HIP 20885 Tycho2 1265-01170-1
Gaia DR2 3312748824191278208 HD 28307 HR 1411 GC 5433
BD BD+15 631 Bayer Theta 1 Tauri Bayer name The1 Tau Flamsteed 77 Tauri
Flamsteed name 77 Tau Distance 47.33 Distance ly 154.39 Bayer greek θ1 Tau