20273-1813 CHR 184Aa,Ab

 
 
20h 27m 19.20s -18 12' 42.1" P.A. 50 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
0.1
Sep. Now (ρ)
0.1"
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 (See Notes)
Nature of this double is uncertain.
 
 
20273-1813 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 163592 20273-1813 CHR 184 Aa,Ab 1992 2009 2 50 0.1 5.30 7.90 2.60 <===
Show Pi Cap 163592 20273-1813 BU 60 AB 1846 2016 68 149 3.6 5.13 8.53 3.40
Show 20273-1813 BU 296 AC 1898 1999 4 40 37.9 5.13 14.10 8.97
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50
Precise sep
0.071
Constellation
Capricornus
SAO
163592
HIP
100881
Tycho2
6333-02129-2
Gaia DR2
73140593152
HD
194636
HR
7814
GC
28442
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20273-1813 CHR 184 Aa,Ab 1992 1 306 0.1 5.25   B8II-III N 202719.20-181242.1
20273-1813 CHR 184 Aa,Ab 2009 2 50 0.1 5.30 7.90 B8II-III N 202719.20-181242.1

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