18287+6506 HU 931 AB
18h 28m 42.96s +65° 06' 14.6" P.A. 82.00 sep 0.5 mag 10.49,10.52 Sp G0
| Coord 2000 |
18287+6506 |
|
Discov num |
HU 931 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 28 42.96 +65 06 14.6 |
|
| Date first |
1905 |
|
Date last |
2010 |
|
Obs |
9 |
|
| Pa first |
68 |
|
Pa last |
82.2 |
|
P.A. Now (θ) |
82.2° |
|
| Sep first |
0.7 |
|
Sep last |
0.477 |
|
Sep. Now (ρ) |
0.477" |
|
| Mag pri |
10.49 |
|
Mag sec |
10.52 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
Nature of this double is uncertain.
18287+6506 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 28 43 +65 06 15 |
HU 931 AB |
2010 |
9 |
82 |
0.5 |
10.49 |
10.52 |
0.03 |
|
<=== |
| Show |
|
|
18 28 43 +65 06 15 |
STF 2343 AC |
2018 |
21 |
212 |
8.6 |
10.49 |
10.82 |
0.33 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
4222-01227-1 |
|
