12550+5810 STF1691AB

 
 
12h 54m 59.60s +58 09' 37.6" P.A. 275 sep 18.6 mag 8.58,9.80 Sp F0IV dist. 68.17 pc (222.37 l.y.)
 
 
Coord 2000
12550+5810
Discov num
STF1691
Comp
AB
Coord arcsec 2000
12 54 59.60 +58 09 37.6
Date first
1830
Date last
2015
Obs
22
Pa first
277
Pa last
275
P.A. Now (θ)
275°
Sep first
20.7
Sep last
18.6
Sep. Now (ρ)
18.6"
Mag pri
8.58
Mag sec
9.80
delta mag (ΔM)
1.22
Spectral class
F0IV (yellow-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-058
Sec motion dec
-059
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
12550+5810 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 28561 12550+5810 STF1691 AB 1830 2015 22 275 18.6 8.58 9.80 1.22 <===
Show 28561 12550+5810 STF1691 AC 1910 2015 13 84 130.3 8.58 9.61 1.03
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.9
Precise sep
18.63
Constellation
Ursa Major
SAO
28561
HIP
63034
Tycho2
3848-00075-1
HD
112311
BD
BD+58 1402
Distance
68.17
Distance ly
222.37
last precise pa
274.9
last precise sep
18.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12550+5810 STF1691 AB 2004 20 275 18.8 8.58 9.80 F0IV DV 125459.60+580937.6
12550+5810 STF1691 AB 2015 22 275 18.6 8.58 9.80 F0IV NV 125459.60+580937.6

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