13239+5456 STF1744AC

 
 
13h 23m 55.42s +54 55' 31.5" P.A. 72 sep 707.7 mag 2.23,4.01 Sp A1VpSrSi dist. 26.31 pc (85.82 l.y.)
 
 
Coord 2000
13239+5456
Discov num
STF1744
Comp
AC
Coord arcsec 2000
13 23 55.42 +54 55 31.5
Date first
1831
Date last
2017
Obs
14
Pa first
72
Pa last
72
P.A. Now (θ)
72°
Sep first
720.0
Sep last
707.7
Sep. Now (ρ)
707.7"
Mag pri
2.23
Mag sec
4.01
delta mag (ΔM)
1.78
Spectral class
A1VpSrSi (white)
Pri motion ra
+121
Sec motion ra
+119
Pri motion dec
-022
Sec motion dec
-018
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.036 (< 0.3, Physical double)
This double is physical.
 
 
13239+5456 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 28737 13239+5456 PEA 1 Aa,Ab 1925 2004 63 34 0.0 2.23 Y
Show Mizar, Alcor 28737 13239+5456 STF1744 AB 1755 2017 492 153 14.4 2.23 3.88 1.65
Show 13239+5456 STF1744 AC 1831 2017 14 72 707.7 2.23 4.01 1.78 <===
Show 13239+5456 SMR 4 AD 1913 2017 10 102 492.8 2.23 7.62 5.39
Show 13239+5456 SHY 247 AE 1991 1999 3 321 999.9 2.23 6.88 4.65
Show 13239+5456 SHY 247 AF 1991 1999 3 359 999.9 2.23 9.86 7.63
Show 13239+5456 PSF 1 Ca,Cb 2007 2009 5 207 1.0 4.01 8.00 3.99
Show 13239+5456 SHY 248 CE 1991 1999 3 317 999.9 4.01 6.88 2.87
Show 13239+5456 SHY 248 CF 1991 1999 3 355 999.9 4.01 9.86 5.85
Show 13239+5456 SHY 248 CG 1991 1999 3 271 999.9 4.01 8.21 4.20
Show 13239+5456 SHY 248 CH 1991 1999 3 243 999.9 4.01 8.63 4.62
Decuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.5
Precise sep
707.7
Constellation
Ursa Major
SAO
28737
HIP
65378
Tycho2
3850-01385-1
Gaia DR2
79345330944
HD
116656
HR
5054
GC
18133
GL
NN 3783A
BD
BD+55 1598
Bayer
Zeta Ursae Majoris
Bayer name
Zet UMa
Flamsteed
79 Ursae Majoris
Flamsteed name
79 UMa
Distance
26.31
Distance ly
85.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13239+5456 STF1744 AC 1991 9 71 708.5 2.23 4.01 N 132355.42+545531.5
13239+5456 STF1744 AC 2008 10 70 706.1 2.23 4.01 N 132355.42+545531.5
13239+5456 STF1744 AC 2013 12 70 706.9 2.23 4.01 A1VpSrSi NV 132355.42+545531.5
13239+5456 STF1744 AC 2017 13 72 707.7 2.23 4.01 A1VpSrSi NV 132355.42+545531.5

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