12117+5050 STF1609AB

 
 
12h 11m 41.76s +50 50' 15.8" P.A. 204 sep 11.3 mag 7.98,9.55 Sp F2 dist. 184.84 pc (602.95 l.y.)
 
 
Coord 2000
12117+5050
Discov num
STF1609
Comp
AB
Coord arcsec 2000
12 11 41.76 +50 50 15.8
Date first
1831
Date last
2013
Obs
22
Pa first
208
Pa last
204
P.A. Now (θ)
204°
Sep first
10.0
Sep last
11.3
Sep. Now (ρ)
11.3"
Mag pri
7.98
Mag sec
9.55
delta mag (ΔM)
1.57
Spectral class
F2 (yellow-white)
Pri motion ra
-016
Sec motion ra
-017
Pri motion dec
+019
Sec motion dec
+021
Notes
rPM=0.083 (< 0.3, Physical double)
This double is physical.
 
 
12117+5050 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 28290 12117+5050 STF1609 AB 1831 2013 22 204 11.3 7.98 9.55 1.57 <===
Show 28290 12117+5050 STF1609 AC 1911 2003 4 146 68.6 7.98 13.78 5.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203.6
Precise sep
11.25
Constellation
Canes Venatici
SAO
28290
HIP
59454
Tycho2
3457-00127-1
HD
105980
BD
BD+51 1734
Distance
184.84
Distance ly
602.95
last precise pa
203.6
last precise sep
11.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12117+5050 STF1609 AB 2003 19 205 10.9 7.98 9.55 F2 D 121141.76+505015.8
12117+5050 STF1609 AB 2010 20 204 11.3 7.98 9.55 F2 D 121141.76+505015.8
12117+5050 STF1609 AB 2013 22 204 11.3 7.98 9.55 F2 121141.76+505015.8

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