16221+3054 CHR  53Aa,Ab

 
 
16H 22M 05.89S +30 53' 30.2" P.A. 139 SEP 0.1 MAG 4.80, SP K0III DIST. 56.24 PC (183.45 L.Y.)
 
 
Coord 2000
16221+3054
Discov num
CHR  53
Comp
Aa,Ab
Coord arcsec 2000
16 22 05.89 +30 53 30.2
Date first
1984
Date last
2006
Obs
3
Pa first
74
Pa last
139
P.A. Now (θ)
139°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
4.80
Mag sec
delta mag (ΔM)
Spectral class
K0III (yellow-orange)
Pri motion ra
-096
Sec motion ra
Pri motion dec
+109
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
16221+3054 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 65254 16221+3054 CHR 53 Aa,Ab 1984 2006 3 139 0.1 4.80 <===
Show Xi CrB 65254 16221+3054 BUP 167 AB 1909 2002 3 62 188.2 4.86 13.19 8.33
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Borealis
SAO
65254
HIP
80181
Tycho2
2580-02438-1
HD
147677
HR
6103
GC
22020
BD
BD+31 2845
Bayer
Xi Coronae Borealis
Bayer name
Xi CrB
Flamsteed
19 Coronae Borealis
Flamsteed name
19 CrB
Distance
56.24
Distance ly
183.45
last precise pa
139.4
last precise sep
0.091