20289-1749 BU   61BC

 
 
20H 28M 51.62S -17 48' 49.4" P.A. 150 SEP 54.6 MAG 6.88,12.50 SP F2IV DIST. 30.27 PC (98.74 L.Y.)
 
 
Coord 2000
20289-1749
Discov num
BU   61
Comp
BC
Coord arcsec 2000
20 28 51.62 -17 48 49.4
Date first
1898
Date last
1998
Obs
4
Pa first
150
Pa last
150
P.A. Now (θ)
150°
Sep first
52.8
Sep last
54.6
Sep. Now (ρ)
54.6"
Mag pri
6.88
Mag sec
12.50
delta mag (ΔM)
5.62
Spectral class
F2IV (yellow-white)
Pri motion ra
-016
Sec motion ra
-005
Pri motion dec
-008
Sec motion dec
-017
Notes
N (See Notes)
rPM=0.795
Nature of this double is uncertain.
 
 
20289-1749 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Rho Cap 163614 20289-1749 SHJ 323 AB 1823 2016 71 188 1.8 4.97 6.88 1.91 Y
Show 163614 20289-1749 BU 61 AC 1871 2008 10 150 54.6 4.97 13.30 8.33
Show 163614 20289-1749 SHJ 323 AD 1800 2011 28 150 258.7 4.97 6.68 1.71
Show 163614 20289-1749 BU 61 BC 1898 1998 4 150 54.6 6.88 12.50 5.62 <===
Show 163617 20289-1749 DOB 13 DE 1913 1999 5 96 54.3 6.67 10.60 3.93
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Capricornus
SAO
163614
HIP
101027
Tycho2
6333-02128-1
HD
194943
HR
7822
GC
28481
GL
Gl 791.1A
BD
BD-18 5689
Bayer
Rho Capricorni
Bayer name
Rho Cap
Flamsteed
11 Capricorni
Flamsteed name
11 Cap
Distance
30.27
Distance ly
98.74
last precise pa
149.6
last precise sep
54.55