19579-0904 BU 1475CD

 
 
19h 58m 00.46s -09 04' 26.7" P.A. 163 sep 4.9 mag 8.70,11.10 Sp K0 dist. 187.62 pc (612.02 l.y.)
 
 
Coord 2000
19579-0904
Discov num
BU 1475
Comp
CD
Coord arcsec 2000
19 58 00.46 -09 04 26.7
Date first
1906
Date last
2015
Obs
9
Pa first
158
Pa last
163
P.A. Now (θ)
163°
Sep first
5.5
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
8.70
Mag sec
11.10
delta mag (ΔM)
2.4
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
-001
Pri motion dec
+025
Sec motion dec
-007
Notes
rPM=0.443
This double is not physical.
 
 
19579-0904 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19579-0904 BU 1475 AB 1906 2015 17 113 10.4 7.77 9.47 1.70
Show 19579-0904 HDO 155 AC 1868 2015 20 119 115.1 7.77 8.70 0.93
Show 19579-0904 BU 1475 CD 1906 2015 9 163 4.9 8.70 11.10 2.40 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
F5V
Constellation
Aquarius
HIP
117611
Tycho2
6408-01255-1
HD
223621
BD
BD-19 6521
Distance
187.62
Distance ly
612.02
last precise pa
162.7
last precise sep
4.867
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579-0904 BU 1475 CD 1998 5 161 4.8 8.70 11.10 K0 D 195800.46-090426.7
19579-0904 BU 1475 CD 2010 6 163 4.7 8.70 11.10 K0 D 195800.46-090426.7
19579-0904 BU 1475 CD 2012 8 162 5.2 8.70 11.10 K0 D 195800.46-090426.7
19579-0904 BU 1475 CD 2015 9 163 4.9 8.70 11.10 K0 195800.46-090426.7

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