11581+3216 BU 918 AB (HD 103928)
11h 58m 07.25s +32° 16' 26.6" P.A. 236.00 sep 6.9 mag 6.42,12.50 Sp A9V dist. 47.04 pc (153.44 l.y.)
| Coord 2000 |
11581+3216 |
|
Discov num |
BU 918 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 58 07.25 +32 16 26.6 |
|
| Date first |
1880 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
231 |
|
Pa last |
236 |
|
P.A. Now (θ) |
236° |
|
| Sep first |
7.5 |
|
Sep last |
6.886 |
|
Sep. Now (ρ) |
6.886" |
|
| Mag pri |
6.42 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
6.08 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
-109 |
|
Sec motion ra |
|
|
| Pri motion dec |
-060 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
11581+3216 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 103928 |
62774 |
11 58 07 +32 16 27 |
BU 918 AB |
2016 |
15 |
236 |
6.9 |
6.42 |
12.50 |
6.08 |
|
<=== |
| Show |
|
62774 |
11 58 07 +32 16 27 |
BU 918 AC |
2015 |
9 |
65 |
133.3 |
6.42 |
11.50 |
5.08 |
|
|
| Show |
|
62774 |
11 58 07 +32 16 27 |
WAL 59 AD |
2015 |
6 |
55 |
141.5 |
6.42 |
12.20 |
5.78 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 103928 |
|
Constellation |
Ursa Major |
|
SAO |
62774 |
|
HIP |
58369 |
|
| Tycho2 |
2524-01052-1 |
|
Gaia DR2 |
4026742744370003712 |
|
HD |
103928 |
|
HR |
4574 |
|
| GC |
16368 |
|
ADS |
8368 |
|
BD |
BD+33 2174 |
|
FK5 |
1310 |
|
| Distance |
47.04 |
|
Distance ly |
153.44 |
|
