11387+4507 STF1561AC

 
 
11h 38m 44.90s +45 06' 30.3" P.A. 90 sep 176.8 mag 6.53,9.46 Sp G0V dist. 23.25 pc (75.84 l.y.)
 
 
Coord 2000
11387+4507
Discov num
STF1561
Comp
AC
Coord arcsec 2000
11 38 44.90 +45 06 30.3
Date first
1782
Date last
2015
Obs
28
Pa first
86
Pa last
90
P.A. Now (θ)
90°
Sep first
32.4
Sep last
176.8
Sep. Now (ρ)
176.8"
Mag pri
6.53
Mag sec
9.46
delta mag (ΔM)
2.93
Spectral class
G0V (yellow)
Pri motion ra
-594
Sec motion ra
+002
Pri motion dec
+015
Sec motion dec
+003
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.003
This double is not physical.
 
 
11387+4507 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 43841 11387+4507 STF1561 AB 1782 2015 146 246 8.9 6.53 8.23 1.70 Y
Show 43841 11387+4507 STF1561 AC 1782 2015 28 90 176.8 6.53 9.46 2.93 <===
Show 43841 11387+4507 STF1561 AD 1991 2009 4 77 710.6 6.53 7.56 1.03
Show 43841 11387+4507 STF1561 AE 1923 2015 12 338 60.7 6.53 12.08 5.55
Show 43841 11387+4507 STF1561 BC 1783 2015 20 89 179.6 8.23 9.46 1.23
Show 43841 11387+4507 STF1561 BE 1923 2015 10 347 61.7 8.23 12.08 3.85
Show 43846 11387+4507 STF1561 CD 1895 2009 5 73 549.9 9.46 7.56 1.90
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.6
Precise sep
176.847
Constellation
Ursa Major
SAO
43841
HIP
56809
Tycho2
3452-01883-1
HD
101177
HR
4486
GL
Gl 433.2A
BD
BD+45 1947
Distance
23.25
Distance ly
75.84
last precise pa
89.6
last precise sep
176.847
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11387+4507 STF1561 AC 2006 22 90 164.9 6.53 9.46 G0V NLD 113844.90+450630.3
11387+4507 STF1561 AC 2009 24 90 167.0 6.53 9.46 G0V NLD 113844.90+450630.3
11387+4507 STF1561 AC 2012 26 90 169.8 6.53 9.46 G0V NL U 113844.90+450630.3
11387+4507 STF1561 AC 2015 27 90 176.8 6.53 9.46 G0V NL U 113844.90+450630.3

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