15006+0836 YSC 8 AB (HD 132756)
15h 00m 34.99s +08° 36' 00.5" P.A. 158.00 sep 0.1 mag 7.90,8.20 Sp G0V dist. 39.23 pc (127.97 l.y.)
| Coord 2000 |
15006+0836 |
|
Discov num |
YSC 8 |
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Comp |
AB |
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Coord arcsec 2000 |
15 00 34.99 +08 36 00.5 |
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| Date first |
2004 |
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Date last |
2021 |
|
Obs |
27 |
|
| Pa first |
316 |
|
Pa last |
157.8 |
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P.A. Now (θ) |
147.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.089 |
|
Sep. Now (ρ) |
0.091" |
|
| Mag pri |
7.90 |
|
Mag sec |
8.20 |
|
delta mag (ΔM) |
0.3 |
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Spectral class |
G0V (yellow) |
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| Pri motion ra |
-110 |
|
Sec motion ra |
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| Pri motion dec |
-318 |
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Sec motion dec |
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| Notes |
O
W
(Orbital solution, ) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 132756 |
|
Constellation |
Bootes |
|
SAO |
120789 |
|
HIP |
73449 |
|
| Tycho2 |
0919-01213-1 |
|
HD |
132756 |
|
GC |
20193 |
|
BD |
BD+09 2983 |
|
| Distance |
39.23 |
|
Distance ly |
127.97 |
|
ORBITAL ELEMENTS
| Period (P) | 6.924y | ± 0.003 |
Periastron (T) | 1989.184y | ± 0.011 |
Semi-major axis (a) | 116.54m | ± 0.32 |
| Eccentricity (e) | 0.3795 | ± 0.0054 |
Inclination (i) | 96.22° | ± 0.19 |
Longitude of periastron (ω) | 99.58° | ± 0.29 |
| Node (Ω) | 149.1° | ± 0.18 |
Notes | n | |
Reference | Mdz2021 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
165.2 |
0.058 |
| 2001 |
154.5 |
0.107 |
| 2002 |
148.9 |
0.105 |
| 2003 |
17.0 |
0.011 |
| 2004 |
327.7 |
0.099 |
| 2005 |
319.3 |
0.075 |
| 2006 |
265.1 |
0.019 |
| 2007 |
163.8 |
0.063 |
| 2008 |
154.0 |
0.109 |
| 2009 |
148.3 |
0.101 |
| 2010 |
351.0 |
0.020 |
| 2011 |
327.1 |
0.100 |
| 2012 |
318.3 |
0.071 |
| 2013 |
248.8 |
0.017 |
| 2014 |
162.5 |
0.067 |
| 2015 |
153.6 |
0.111 |
| 2016 |
147.8 |
0.096 |
| 2017 |
342.5 |
0.031 |
| 2018 |
326.6 |
0.101 |
| 2019 |
317.1 |
0.067 |
| 2020 |
230.9 |
0.017 |
| 2021 |
161.4 |
0.072 |
| 2022 |
153.1 |
0.113 |
| 2023 |
147.2 |
0.091 |
| 2024 |
338.3 |
0.042 |
| 2025 |
326.1 |
0.101 |
| 2026 |
315.8 |
0.062 |
| 2027 |
214.5 |
0.019 |
| 2028 |
160.4 |
0.076 |
| 2029 |
152.7 |
0.114 |
| 2030 |
146.5 |
0.085 |
|
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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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