07128-0709 BU 197 AB (HD 55489)

 
 
07h 12m 49.38s -07° 08' 57.8" P.A. 148.00 sep 2.2 mag 7.82,9.34 Sp F2 dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000 07128-0709 Discov num BU  197 Comp AB Coord arcsec 2000 07 12 49.38 -07 08 57.8
Date first 1876 Date last 2016 Obs 21
Pa first 147 Pa last 147.6 P.A. Now (θ) 147.6°
Sep first 2.3 Sep last 2.181 Sep. Now (ρ) 2.181"
Mag pri 7.82 Mag sec 9.34 delta mag (ΔM) 1.52 Spectral class F2 (yellow-white)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
07128-0709 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 55489 134360 07 12 49 -07 08 58 BU 197 AB 2016 21 148 2.2 7.82 9.34 1.52 <===
Show 134360 07 12 49 -07 08 58 LV 18 AC 2015 6 21 20.1 7.82 11.50 3.68
Show 134360 07 12 49 -07 08 58 LV 18 AD 2015 5 186 38.8 7.82 12.01 4.19
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 55489 Constellation Monoceros SAO 134360 HIP 34862
Tycho2 4827-03998-1 Gaia DR2 3052081211692729344 HD 55489 ADS 5888
BD BD-06 1989 Distance 699.3 Distance ly 2281.12