12454+1422 STF1678

 
 
12h 45m 26.17s +14 22' 24.9" P.A. 170 sep 37.4 mag 7.16,7.68 Sp B8V dist. 230.41 pc (751.6 l.y.)
 
 
Coord 2000
12454+1422
Discov num
STF1678
Comp
Coord arcsec 2000
12 45 26.17 +14 22 24.9
Date first
1825
Date last
2014
Obs
125
Pa first
213
Pa last
170
P.A. Now (θ)
170°
Sep first
33.4
Sep last
37.4
Sep. Now (ρ)
37.4"
Mag pri
7.16
Mag sec
7.68
delta mag (ΔM)
0.52
Spectral class
B8V (blue-white)
Pri motion ra
-050
Sec motion ra
+081
Pri motion dec
+004
Sec motion dec
-044
Notes
N L Y (See Notes, Linear solution, Parallax indicates components are non-physical)
rPM=1.514
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
169.8
Precise sep
37.36
Constellation
Coma Berenices
SAO
100236
HIP
62248
Tycho2
0881-00563-1
HD
110932
BD
BD+15 2504
Distance
230.41
Distance ly
751.6
last precise pa
169.8
last precise sep
37.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12454+1422 STF1678 2007 116 171 36.8 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2008 117 171 36.8 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2010 121 171 37.1 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2011 122 171 37.7 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2014 124 170 37.4 7.16 7.68 B8V NLDY 124526.17+142224.9

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