04230+1732 BUP 55 AB

 
 
04h 22m 56.03s +17° 32' 33.3" P.A. 336.00 sep 112.8 mag 3.76,13.21 Sp K0III dist. 47.71 pc (155.63 l.y.)
 
 
Coord 2000 04230+1732 Discov num BUP  55 Comp AB Coord arcsec 2000 04 22 56.03 +17 32 33.3
Date first 1909 Date last 2015 Obs 9
Pa first 341 Pa last 336 P.A. Now (θ) 336°
Sep first 106.6 Sep last 112.848 Sep. Now (ρ) 112.848"
Mag pri 3.76 Mag sec 13.21 delta mag (ΔM) 9.45 Spectral class K0III (yellow-orange)
Pri motion ra +107 Sec motion ra -014
Pri motion dec -029 Sec motion dec -002
Notes N (See Notes)
rPM=1.118
This double is not physical.
 
 
04230+1732 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Secunda Hyadum 93897 04 22 56 +17 32 33 CHR 262 Aa,Ab 2004 2 2 0.5 3.90 9.50 5.60
Show 93897 04 22 56 +17 32 33 OCC 255 Aa,Ac 1972 0 -1 0.0 3.76 12.90 9.14
Show 93897 04 22 56 +17 32 33 BUP 55 AB 2015 9 336 112.8 3.76 13.21 9.45 <===
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Secunda Hyadum Var name NSV1582 Tau Constellation Taurus SAO 93897
HIP 20455 Tycho2 1268-01267-1 Gaia DR2 3314024566918614528 HD 27697
HR 1373 GC 5304 BD BD+17 712 Bayer Delta Tauri
Bayer name Del Tau Flamsteed 61 Tauri Flamsteed name 61 Tau FK5 162
Distance 47.71 Distance ly 155.63 Bayer greek δ Tau
Other names Hyadum II, Eudora
Meaning Second of the Hyades