11111+3027 STT 231AB

 
 
11h 11m 05.23s +30 26' 45.4" P.A. 262 sep 34.1 mag 8.86,9.98 Sp M1+M2.5 dist. 11.87 pc (38.72 l.y.)
 
 
Coord 2000
11111+3027
Discov num
STT 231
Comp
AB
Coord arcsec 2000
11 11 05.23 +30 26 45.4
Date first
1844
Date last
2016
Obs
85
Pa first
265
Pa last
262
P.A. Now (θ)
262°
Sep first
36.6
Sep last
34.1
Sep. Now (ρ)
34.1"
Mag pri
8.86
Mag sec
9.98
delta mag (ΔM)
1.12
Spectral class
M1+M2.5 (red/red)
Pri motion ra
+592
Sec motion ra
+609
Pri motion dec
-197
Sec motion dec
-208
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.031 (< 0.3, Physical double)
This double is not physical.
 
 
11111+3027 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 62440 11111+3027 STT 231 AB 1844 2016 85 262 34.1 8.86 9.98 1.12 <===
Show 62440 11111+3027 STT 231 AC 1881 2006 27 322 211.0 8.86 9.29 0.43
Show 62440 11111+3027 STT 231 AD 1913 2001 4 32 235.8 8.86 13.06 4.20
Show 11111+3027 STT 231 BC 1881 2006 23 331 196.0 9.98 9.29 0.69
Show 62439 11111+3027 STT 231 CE 1908 2001 4 36 138.7 9.29 14.20 4.91
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.3
Precise sep
34.08
Constellation
Ursa Major
SAO
62440
HIP
54646
Tycho2
2520-02524-1
HD
97101
GL
Gl 414A
BD
BD+31 2240
Distance
11.87
Distance ly
38.72
last precise pa
262.3
last precise sep
34.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11111+3027 STT 231 AB 2007 76 262 34.4 8.51 10.93 M1+M2.5 NODV 111105.17+302645.7
11111+3027 STT 231 AB 2008 78 263 34.1 8.51 10.93 M1+M2.5 NODV 111105.17+302645.7
11111+3027 STT 231 AB 2011 79 263 34.1 8.51 10.93 M1 M2.5 NOD 111105.17+302645.7
11111+3027 STT 231 AB 2012 81 263 34.2 8.51 10.93 M1 M2.5 NOD 111105.17+302645.7
11111+3027 STT 231 AB 2014 83 263 34.1 8.86 9.98 M1 M2.5 NOD 111105.23+302645.4
11111+3027 STT 231 AB 2016 85 262 34.1 8.86 9.98 M1+M2.5 NU 111105.23+302645.4

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