10178+7104 STF1415AB

 
 
10h 17m 50.61s +71 03' 38.9" P.A. 168 sep 16.9 mag 6.65,7.27 Sp A7m dist. 401.61 pc (1310.05 l.y.)
 
 
Coord 2000
10178+7104
Discov num
STF1415
Comp
AB
Coord arcsec 2000
10 17 50.61 +71 03 38.9
Date first
1823
Date last
2016
Obs
75
Pa first
165
Pa last
168
P.A. Now (θ)
168°
Sep first
16.5
Sep last
16.9
Sep. Now (ρ)
16.9"
Mag pri
6.65
Mag sec
7.27
delta mag (ΔM)
0.62
Spectral class
A7m (white)
Pri motion ra
-035
Sec motion ra
-042
Pri motion dec
-044
Sec motion dec
-048
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
10178+7104 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 7099 10178+7104 STF1415 AB 1823 2016 75 168 16.9 6.65 7.27 0.62 <===
Show 7099 10178+7104 STF1415 AC 1879 2004 11 12 153.2 6.65 10.85 4.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
167.7
Precise sep
16.9
Constellation
Ursa Major
SAO
7099
HIP
50433
Tycho2
4387-01730-1
HD
88849
HR
4021
BD
BD+71 534
Distance
401.61
Distance ly
1310.05
last precise pa
166.9
last precise sep
16.687
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10178+7104 STF1415 AB 2007 57 167 16.5 6.65 7.27 A7m DV 101750.61+710338.9
10178+7104 STF1415 AB 2010 58 168 16.6 6.65 7.27 A7m NVD 101750.61+710338.9
10178+7104 STF1415 AB 2012 60 168 16.6 6.65 7.27 A7m NVD 101750.61+710338.9
10178+7104 STF1415 AB 2014 62 168 16.6 6.65 7.27 A7m NVD 101750.61+710338.9
10178+7104 STF1415 AB 2015 63 168 16.6 6.65 7.27 A7m NVD 101750.61+710338.9
10178+7104 STF1415 AB 2016 75 168 16.9 6.65 7.27 A7m NV 101750.61+710338.9

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