12081+5528 STF 1603 AB (HD 105421)
12h 08m 07.07s +55° 27' 50.7" P.A. 83.00 sep 22.2 mag 7.82,8.26 Sp F8V+F9V dist. 49.07 pc (160.07 l.y.)
| Coord 2000 |
12081+5528 |
|
Discov num |
STF1603 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 08 07.07 +55 27 50.7 |
|
| Date first |
1782 |
|
Date last |
2021 |
|
Obs |
91 |
|
| Pa first |
80 |
|
Pa last |
83.2 |
|
P.A. Now (θ) |
83.2° |
|
| Sep first |
19.3 |
|
Sep last |
22.16 |
|
Sep. Now (ρ) |
22.16" |
|
| Mag pri |
7.82 |
|
Mag sec |
8.26 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
F8V+F9V (yellow-white/yellow-white) |
|
| Pri motion ra |
-178 |
|
Sec motion ra |
-180 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-030 |
|
| Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.051 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 105421 |
|
Constellation |
Ursa Major |
|
SAO |
28253 |
|
HIP |
59176 |
|
| Tycho2 |
3836-00166-1 |
|
HD |
105421 |
|
GC |
16580 |
|
BD |
BD+56 1568 |
|
| Distance |
49.07 |
|
Distance ly |
160.07 |
|