02290-1959 RST2280Aa,Ab

 
 
02h 29m 01.68s -19 58' 45.1" P.A. 283 sep 0.5 mag 8.95,12.24 Sp K4V dist. 19.55 pc (63.77 l.y.)
 
 
Coord 2000
02290-1959
Discov num
RST2280
Comp
Aa,Ab
Coord arcsec 2000
02 29 01.68 -19 58 45.1
Date first
1934
Date last
2015
Obs
8
Pa first
346
Pa last
283
P.A. Now (θ)
283°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.95
Mag sec
12.24
delta mag (ΔM)
3.29
Spectral class
K4V (yellow-orange)
Pri motion ra
+613
Sec motion ra
Pri motion dec
+187
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02290-1959 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 167819 02290-1959 RST2280 Aa,Ab 1934 2015 8 283 0.5 8.95 12.24 3.29 <===
Show 167819 02290-1959 UC 744 AB 1951 2010 6 242 474.5 9.20 12.40 3.20
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283
Precise sep
0.526
Constellation
Cetus
SAO
167819
HIP
11565
HD
15468
GL
Gl 100A
BD
BD-20 465
Distance
19.55
Distance ly
63.77
last precise pa
283
last precise sep
0.526
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02290-1959 RST2280 Aa,Ab 1991 6 43 0.3 8.95 12.24 K4V D 022901.31-195846.6
02290-1959 RST2280 Aa,Ab 2014 7 112 0.6 8.95 12.24 K4V 022901.31-195846.6
02290-1959 RST2280 Aa,Ab 2015 8 283 0.5 8.95 12.24 K4V 022901.31-195846.6

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