12555+1130 STF1689

 
 
12h 55m 30.32s +11 29' 46.4" P.A. 228 sep 29.2 mag 7.11,9.13 Sp M4III+F6V dist. 6.68 pc (21.79 l.y.)
 
 
Coord 2000
12555+1130
Discov num
STF1689
Comp
Coord arcsec 2000
12 55 30.32 +11 29 46.4
Date first
1823
Date last
2013
Obs
61
Pa first
199
Pa last
228
P.A. Now (θ)
228°
Sep first
28.1
Sep last
29.2
Sep. Now (ρ)
29.2"
Mag pri
7.11
Mag sec
9.13
delta mag (ΔM)
2.02
Spectral class
M4III+F6V (red/yellow-white)
Pri motion ra
-070
Sec motion ra
-085
Pri motion dec
+017
Sec motion dec
+019
Notes
L Y (Linear solution, Parallax indicates components are non-physical)
rPM=0.174 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.6
Precise sep
29.2
Constellation
Virgo
SAO
100337
HIP
63081
Tycho2
0885-01206-1
HD
112278
BD
BD+12 2529
Distance
6.68
Distance ly
21.79
last precise pa
227.6
last precise sep
29.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12555+1130 STF1689 2007 52 222 29.9 7.11 9.13 M4III LD 125530.32+112946.4
12555+1130 STF1689 2010 55 222 29.8 7.11 9.13 M4III LD 125530.32+112946.4
12555+1130 STF1689 2011 57 222 29.9 7.11 9.13 M4III LD 125530.32+112946.4
12555+1130 STF1689 2013 60 228 29.2 7.11 9.13 M4III+F6V LDY 125530.32+112946.4

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