11182+3132 WTE 1 AD
11h 18m 10.90s +31° 31' 45.0" P.A. 136.00 sep 511.4 mag 2.14,18.75 Sp F9V+T8.5 dist. 10.42 pc (33.99 l.y.)
| Coord 2000 |
11182+3132 |
|
Discov num |
WTE 1 |
|
Comp |
AD |
|
Coord arcsec 2000 |
11 18 10.90 +31 31 45.0 |
|
| Date first |
1998 |
|
Date last |
2012 |
|
Obs |
15 |
|
| Pa first |
136 |
|
Pa last |
136.1 |
|
P.A. Now (θ) |
136.1° |
|
| Sep first |
507.4 |
|
Sep last |
511.412 |
|
Sep. Now (ρ) |
511.412" |
|
| Mag pri |
2.14 |
|
Mag sec |
18.75 |
|
delta mag (ΔM) |
16.61 |
|
Spectral class |
F9V+T8.5 (yellow-white/brown dwarf) |
|
| Pri motion ra |
-454 |
|
Sec motion ra |
|
|
| Pri motion dec |
-591 |
|
Sec motion dec |
|
|
| Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
11182+3132 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Alula Australis |
62484 |
11 18 11 +31 31 45 |
STF 1523 AB |
2020 |
1664 |
152 |
2.3 |
4.33 |
4.80 |
0.47 |
Y |
|
| Show |
|
62484 |
11 18 11 +31 31 45 |
POP 1219 AC |
2015 |
5 |
331 |
59.7 |
4.33 |
15.00 |
10.67 |
|
|
| Show |
|
62484 |
11 18 11 +31 31 45 |
WTE 1 AD |
2012 |
15 |
136 |
511.4 |
2.14 |
18.75 |
16.61 |
|
<=== |
| Show |
|
62484 |
11 18 11 +31 31 46 |
CHR 178 Ba,Bb |
1994 |
2 |
75 |
0.0 |
4.40 |
|
|
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Alula Australis |
|
Var name |
NSV5165 UMa |
|
Constellation |
Ursa Major |
|
SAO |
62484 |
|
| HIP |
55203 |
|
Tycho2 |
2520-02634-1 |
|
HD |
98231 |
|
HR |
4375 |
|
| GC |
15537 |
|
ADS |
8119 |
|
GL |
Gl 423A |
|
BD |
BD+32 2132 |
|
| Bayer |
Xi Ursae Majoris |
|
Bayer name |
Xi UMa |
|
Flamsteed |
53 Ursae Majoris |
|
Flamsteed name |
53 UMa |
|
| Distance |
10.42 |
|
Distance ly |
33.99 |
|
Bayer greek |
ξ UMa |
|
| Meaning |
first (leap gazelle), South |
|
