11191+3811 DRS 47 AC (55 UMa)

11h 19m 07.94s +38° 11' 08.6" P.A. 145.00 sep 0.9 mag 4.50,10.10 Sp A2V dist. 58.82 pc (191.87 l.y.)

Coord 2000 11191+3811 Discov num DRS  47 Comp AC Coord arcsec 2000 11 19 07.94 +38 11 08.6
Date first 2010 Date last 2010 Obs 1
Pa first 145 Pa last 145 P.A. Now (θ) 145°
Sep first 0.9 Sep last 0.9 Sep. Now (ρ) 0.9"
Mag pri 4.50 Mag sec 10.10 delta mag (ΔM) 5.6 Spectral class A2V (white)
Pri motion ra -050 Sec motion ra
Pri motion dec -070 Sec motion dec
Notes N K (See Notes, K-band or other infrared magnitudes)


Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.



11191+3811 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 62491 11 19 08 +38 11 09 CHR 133 AB 2007 16 127 0.1 4.78 5.30 0.52 Y
Show 55 UMa 62491 11 19 08 +38 11 09 DRS 47 AC 2010 1 145 0.9 4.50 10.10 5.60 <===
Show 62491 11 19 08 +38 11 09 DRS 47 AD 2015 7 128 500.1 4.77 7.25 2.48


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name 55 UMa Constellation Ursa Major SAO 62491 HIP 55266
Tycho2 3010-02501-1 Gaia DR2 764027677836546560 HD 98353 HR 4380
GC 15558 BD BD+38 2225 Flamsteed 55 Ursae Majoris Flamsteed name 55 UMa
FK5 1293 Distance 58.82 Distance ly 191.87