03210-0054 LDS5420AB

 
 
03h 20m 58.26s -00 55' 38.8" P.A. 280 sep 46.4 mag 14.40,17.10 Sp K9V+M2.5V
 
 
Coord 2000
03210-0054
Discov num
LDS5420
Comp
AB
Coord arcsec 2000
03 20 58.26 -00 55 38.8
Date first
1960
Date last
2004
Obs
5
Pa first
280
Pa last
280
P.A. Now (θ)
280°
Sep first
47.0
Sep last
46.4
Sep. Now (ρ)
46.4"
Mag pri
14.40
Mag sec
17.10
delta mag (ΔM)
2.7
Spectral class
K9V+M2.5V (yellow-orange/red)
Pri motion ra
+099
Sec motion ra
+101
Pri motion dec
-024
Sec motion dec
-020
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
03210-0054 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 03210-0054 LDS5420 AB 1960 2004 5 280 46.4 14.40 17.10 2.70 <===
Show 03210-0054 LDS5420 AC 1960 1998 2 20 93.7 14.40 19.00 4.60
Show 03210-0054 ITF 55 AD 1951 1999 3 49 185.8 14.05 13.19 0.86
Show 03210-0054 ITF 55 BD 1951 2015 4 59 217.3 13.20 16.30 3.10
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
280.4
Precise sep
46.41
Constellation
Cetus
last precise pa
280.4
last precise sep
46.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03210-0054 LDS5420 AB 1998 2 280 46.4 14.40 17.10 D 032058.26-005538.8
03210-0054 LDS5420 AB 1999 4 280 46.3 14.40 17.10 D 032058.26-005538.8
03210-0054 LDS5420 AB 2004 5 280 46.4 14.40 17.10 M0+M3 V 032058.26-005538.8

If you need more information about this double, apply for a data request form to the WDS.