15127+6008 HU 1159 (HD 135529)
15h 12m 40.62s +60° 08' 04.9" P.A. 352.00 sep 0.3 mag 9.45,9.92 Sp A3 dist. 233.64 pc (762.13 l.y.)
| Coord 2000 |
15127+6008 |
|
Discov num |
HU 1159 |
|
Comp |
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Coord arcsec 2000 |
15 12 40.62 +60 08 04.9 |
|
| Date first |
1905 |
|
Date last |
2013 |
|
Obs |
25 |
|
| Pa first |
31 |
|
Pa last |
351.9 |
|
P.A. Now (θ) |
0.6° |
|
| Sep first |
0.3 |
|
Sep last |
0.277 |
|
Sep. Now (ρ) |
0.308" |
|
| Mag pri |
9.45 |
|
Mag sec |
9.92 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
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| Pri motion dec |
+012 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 135529 |
|
Constellation |
Draco |
|
SAO |
16641 |
|
HIP |
74428 |
|
| Tycho2 |
4180-00681-1 |
|
HD |
135529 |
|
ADS |
9545 |
|
BD |
BD+60 1594 |
|
| Distance |
233.64 |
|
Distance ly |
762.13 |
|
ORBITAL ELEMENTS
| Period (P) | 166.58y | |
Periastron (T) | 1955.44y | |
Semi-major axis (a) | 0.231a | |
| Eccentricity (e) | 0.769 | |
Inclination (i) | 39.5° | |
Longitude of periastron (ω) | 282.2° | |
| Node (Ω) | 264° | |
Notes | | |
Reference | Hrt2014b | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
345.1 |
0.268 |
| 2001 |
345.9 |
0.270 |
| 2002 |
346.6 |
0.272 |
| 2003 |
347.4 |
0.275 |
| 2004 |
348.1 |
0.277 |
| 2005 |
348.9 |
0.279 |
| 2006 |
349.6 |
0.281 |
| 2007 |
350.3 |
0.283 |
| 2008 |
351.0 |
0.285 |
| 2009 |
351.7 |
0.287 |
| 2010 |
352.4 |
0.289 |
| 2011 |
353.1 |
0.291 |
| 2012 |
353.7 |
0.293 |
| 2013 |
354.4 |
0.294 |
| 2014 |
355.1 |
0.296 |
| 2015 |
355.7 |
0.298 |
| 2016 |
356.3 |
0.299 |
| 2017 |
357.0 |
0.301 |
| 2018 |
357.6 |
0.302 |
| 2019 |
358.2 |
0.303 |
| 2020 |
358.8 |
0.305 |
| 2021 |
359.4 |
0.306 |
| 2022 |
|
0.307 |
| 2023 |
0.6 |
0.308 |
| 2024 |
1.2 |
0.310 |
| 2025 |
1.8 |
0.311 |
| 2026 |
2.4 |
0.312 |
| 2027 |
3.0 |
0.313 |
| 2028 |
3.6 |
0.313 |
| 2029 |
4.2 |
0.314 |
| 2030 |
4.7 |
0.315 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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