13239+5456 STF 1744 AB (Mizar)

 
 
13h 23m 55.42s +54 55' 31.5" P.A. 154.00 sep 14.7 mag 2.23,3.88 Sp A1VpSrSi dist. 26.31 pc (85.82 l.y.)
 
 
Coord 2000 13239+5456 Discov num STF1744 Comp AB Coord arcsec 2000 13 23 55.42 +54 55 31.5
Date first 1755 Date last 2020 Obs 500
Pa first 143 Pa last 153.8 P.A. Now (θ) 153.8°
Sep first 13.9 Sep last 14.744 Sep. Now (ρ) 14.744"
Mag pri 2.23 Mag sec 3.88 delta mag (ΔM) 1.65 Spectral class A1VpSrSi (white)
Pri motion ra +121 Sec motion ra +121
Pri motion dec -022 Sec motion dec -022
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
13239+5456 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 28737 13 23 55 +54 55 32 PEA 1 Aa,Ab 2004 63 34 0.0 3.00 3.00 0.00 Y
Show Mizar 28737 13 23 55 +54 55 32 STF 1744 AB 2020 500 154 14.7 2.23 3.88 1.65 <===
Show 28737 13 23 55 +54 55 32 STF 1744 AC 2020 15 73 715.5 2.23 4.01 1.78
Show 28737 13 23 55 +54 55 32 SMR 4 AD 2020 11 103 498.1 2.23 7.62 5.39
Show 28737 13 23 55 +54 55 32 SHY 247 AE 1999 3 321 999.9 2.23 6.88 4.65
Show 28737 13 23 55 +54 55 32 SHY 247 AF 1999 3 359 999.9 2.23 9.86 7.63
Show Alcor 28751 13 25 14 +54 59 17 PSF 1 Ca,Cb 2009 5 207 1.0 4.01 8.00 3.99
Show Alcor 28751 13 25 14 +54 59 17 SHY 248 CE 1999 3 317 999.9 4.01 6.88 2.87
Show Alcor 28751 13 25 14 +54 59 17 SHY 248 CF 1999 3 355 999.9 4.01 9.86 5.85
Show Alcor 28751 13 25 14 +54 59 17 SHY 248 CG 1999 3 271 999.9 4.01 8.21 4.20
Show Alcor 28751 13 25 14 +54 59 17 SHY 248 CH 1999 3 243 999.9 4.01 8.63 4.62
Decuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Mizar Var name NSV6224 UMa Constellation Ursa Major SAO 28737
HIP 65378 Tycho2 3850-01385-1 Gaia DR2 1563590579345330944 HD 116656
HR 5054 GC 18133 ADS 8891 GL NN 3783A
BD BD+55 1598 Bayer Zeta Ursae Majoris Bayer name Zet UMa Flamsteed 79 Ursae Majoris
Flamsteed name 79 UMa FK5 497 Distance 26.31 Distance ly 85.82
Bayer greek ζ UMa
Other names Mizat, Mirza, Mitsar
Meaning bandage (thong)