12154+5702 BUP 140AC

 
 
12h 15m 25.45s +57 01' 57.4" P.A. 128 sep 175.3 mag 3.30,11.62 Sp A3V dist. 24.69 pc (80.54 l.y.)
 
 
Coord 2000
12154+5702
Discov num
BUP 140
Comp
AC
Coord arcsec 2000
12 15 25.45 +57 01 57.4
Date first
1879
Date last
2008
Obs
7
Pa first
124
Pa last
128
P.A. Now (θ)
128°
Sep first
188.6
Sep last
175.3
Sep. Now (ρ)
175.3"
Mag pri
3.30
Mag sec
11.62
delta mag (ΔM)
8.32
Spectral class
A3V (white)
Pri motion ra
+104
Sec motion ra
-047
Pri motion dec
+008
Sec motion dec
+004
Notes
N (See Notes)
rPM=1.448
This double is not physical.
 
 
12154+5702 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Megrez 28315 12154+5702 BLL 29 AB 1878 2014 15 73 179.7 3.30 10.21 6.91
Show 28315 12154+5702 BUP 140 AC 1879 2008 7 128 175.3 3.30 11.62 8.32 <===
Show 28315 12154+5702 JNN 240 AD 2010 2011 2 113 3.3 3.31 18.40 15.09
Show 28315 12154+5702 JNN 240 AE 2010 2011 2 169 5.7 3.31 19.30 15.99
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128
Precise sep
175.33
Cdsa2 id
BUP 140 AC
Constellation
Ursa Major
SAO
28315
HIP
59774
Tycho2
3837-01070-1
HD
106591
HR
4660
GC
16736
GL
Gl 459
BD
BD+57 1363
Bayer
Delta Ursae Majoris
Bayer name
Del UMa
Flamsteed
69 Ursae Majoris
Flamsteed name
69 UMa
Ra deg
12.257069444444445
De deg
57.03261111111111
Distance
24.69
Distance ly
80.54
last precise pa
128
last precise sep
175.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12154+5702 BUP 140 AC 1999 5 128 174.9 3.30 12.00 D 121525.45+570157.4
12154+5702 BUP 140 AC 2008 6 128 175.3 3.30 12.00 D 121525.45+570157.4

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