11111+3027 STT 231AD

11h 11m 05.23s +30 26' 45.4" P.A. 32 sep 235.8 mag 8.86,13.06 Sp M1 dist. 11.87 pc (38.72 l.y.)

Coord 2000
11111+3027
Discov num
STT 231
Comp
AD
Coord arcsec 2000
11 11 05.23 +30 26 45.4
Date first
1913
Date last
2001
Obs
4
Pa first
44
Pa last
32
P.A. Now (θ)
32°
Sep first
255.4
Sep last
235.8
Sep. Now (ρ)
235.8"
Mag pri
8.86
Mag sec
13.06
delta mag (ΔM)
4.2
Spectral class
M1 (red)
Pri motion ra
+592
Sec motion ra
+001
Pri motion dec
-197
Sec motion dec
+000
Notes
N (See Notes)


Nature of this double is uncertain.



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

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
32.4
last precise sep
235.826




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 AD 1913 2 44 255.4 8.51 13.91 M1 N 111105.17+302645.7
11111+3027 STT 231 AD 2001 4 32 235.8 8.86 13.06 M1 N 111105.23+302645.4

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