09256+5401 STF1346AB (21 UMa)

 
 
09H 25M 37.88S +54 00' 57.5" P.A. 314 SEP 5.7 MAG 7.69,8.59 SP A2V DIST. 196.08 PC (639.61 L.Y.)
 
 
Coord 2000
09256+5401
Discov num
STF1346
Comp
AB
Coord arcsec 2000
09 25 37.88 +54 00 57.5
Date first
1822
Date last
2016
Obs
64
Pa first
309
Pa last
314
P.A. Now (θ)
314°
Sep first
6.5
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
7.69
Mag sec
8.59
delta mag (ΔM)
0.9
Spectral class
A2V (white)
Pri motion ra
-035
Sec motion ra
-038
Pri motion dec
-022
Sec motion dec
-023
Notes
N (See Notes)
rPM=0.07099999999999999 (< 0.3, Physical double)
This double is physical.
 
 
09256+5401 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21 UMa 27249 09256+5401 STF1346 AB 1822 2016 64 314 5.7 7.69 8.59 0.90 <===
Show 27249 09256+5401 STF1346 BC 1879 2003 5 188 94.2 8.59 11.80 3.21
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.1
Precise sep
5.74
Name
21 UMa
Constellation
Ursa Major
SAO
27249
HIP
46239
Tycho2
3806-01555-1
HD
81104
BD
BD+54 1299
Flamsteed
21 Ursae Majoris
Flamsteed name
21 UMa
Distance
196.08
Distance ly
639.61
last precise pa
314.1
last precise sep
5.74