03210-0054 ITF  55BD

 
 
03H 20M 55.24S -00 55' 30.5" P.A. 59 SEP 217.3 MAG 13.20,16.30 SP M2.5V+K8V
 
 
Coord 2000
03210-0054
Discov num
ITF  55
Comp
BD
Coord arcsec 2000
03 20 55.24 -00 55 30.5
Date first
1951
Date last
2015
Obs
4
Pa first
59
Pa last
59
P.A. Now (θ)
59°
Sep first
219.3
Sep last
217.3
Sep. Now (ρ)
217.3"
Mag pri
13.20
Mag sec
16.30
delta mag (ΔM)
3.1
Spectral class
M2.5V+K8V (red/yellow-orange)
Pri motion ra
+101
Sec motion ra
+070
Pri motion dec
-020
Sec motion dec
-047
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.399
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
 
 
Constellation
Cetus
last precise pa
58.8
last precise sep
217.32