02444+1057 SKF  20AC

 
 
02h 44m 21.38s +10 57' 41.2" P.A. 108 sep 20.7 mag 11.20,15.30 Sp M0V dist. 34.93 pc (113.94 l.y.)
 
 
Coord 2000
02444+1057
Discov num
SKF  20
Comp
AC
Coord arcsec 2000
02 44 21.38 +10 57 41.2
Date first
1949
Date last
2014
Obs
5
Pa first
107
Pa last
108
P.A. Now (θ)
108°
Sep first
20.7
Sep last
20.7
Sep. Now (ρ)
20.7"
Mag pri
11.20
Mag sec
15.30
delta mag (ΔM)
4.1
Spectral class
M0V (red)
Pri motion ra
+078
Sec motion ra
+077
Pri motion dec
-053
Sec motion dec
-061
Notes
V (Proper motion indicates physical)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
02444+1057 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02444+1057 JNN 300 Aa,Ab 2015 2015 1 323 0.2 10.40 12.40 2.00
Show 02444+1057 PLQ 35 AB 1891 2014 5 315 24.6 11.20 15.20 4.00
Show 02444+1057 SKF 20 AC 1949 2014 5 108 20.7 11.20 15.30 4.10 <===
Show 02444+1057 SKF 20 BC 2000 2014 3 123 43.9 15.20 15.30 0.10
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.7
Precise sep
20.7
Constellation
Aries
HIP
12787
Tycho2
0643-00073-1
Distance
34.93
Distance ly
113.94
last precise pa
107.7
last precise sep
20.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02444+1057 SKF 20 AC 2000 1 107 20.9 11.50 15.20 024421.38+105741.2
02444+1057 SKF 20 AC 2014 5 108 20.7 11.20 15.30 M0V V 024421.38+105741.2

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