20273-1813 CHR 184 Aa,Ab

 
 
20h 27m 19.20s -18 12' 42.1" P.A. 50.00 sep 0.1 mag 5.30,7.90 Sp B8II-III dist. 167.22 pc (545.47 l.y.)
 
 
Coord 2000 20273-1813 Discov num CHR 184 Comp Aa,Ab Coord arcsec 2000 20 27 19.20 -18 12 42.1
Date first 1992 Date last 2009 Obs 2
Pa first 306 Pa last 50 P.A. Now (θ) 50°
Sep first 0.1 Sep last 0.071 Sep. Now (ρ) 0.071"
Mag pri 5.30 Mag sec 7.90 delta mag (ΔM) 2.6 Spectral class B8II-III (blue-white)
Pri motion ra +011 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
20273-1813 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 163592 20 27 19 -18 12 42 CHR 184 Aa,Ab 2009 2 50 0.1 5.30 7.90 2.60 <===
Show Pi Cap 163592 20 27 19 -18 12 42 BU 60 AB 2019 69 148 3.5 5.13 8.53 3.40
Show 163592 20 27 19 -18 12 42 BU 296 AC 1999 4 40 37.9 5.13 14.10 8.97
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus SAO 163592 HIP 100881 Tycho2 6333-02129-2
Gaia DR2 6860902873140593152 HD 194636 HR 7814 GC 28442
ADS 13860 BD BD-18 5685 Bayer Pi Capricorni Bayer name Pi Cap
Flamsteed 10 Capricorni Flamsteed name 10 Cap Distance 167.22 Distance ly 545.47
Bayer greek π Cap