13334+0919 HDS 1902 (HD 117913)
13h 33m 25.91s +09° 19' 25.5" P.A. 252.00 sep 0.2 mag 9.51,11.49 Sp G5 dist. 74.4 pc (242.69 l.y.)
Coord 2000 |
13334+0919 |
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Discov num |
HDS1902 |
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Comp |
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Coord arcsec 2000 |
13 33 25.91 +09 19 25.5 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
7 |
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Pa first |
231 |
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Pa last |
252.4 |
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P.A. Now (θ) |
252.4° |
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Sep first |
0.2 |
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Sep last |
0.189 |
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Sep. Now (ρ) |
0.189" |
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Mag pri |
9.51 |
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Mag sec |
11.49 |
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delta mag (ΔM) |
1.98 |
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Spectral class |
G5 (yellow) |
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Pri motion ra |
-027 |
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Sec motion ra |
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Pri motion dec |
+017 |
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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 117913 |
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Constellation |
Virgo |
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SAO |
119996 |
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HIP |
66132 |
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Tycho2 |
0892-00533-1 |
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Gaia DR2 |
3725899939055340032 |
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HD |
117913 |
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BD |
BD+10 2561 |
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Distance |
74.4 |
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Distance ly |
242.69 |
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ORBITAL ELEMENTS
Period (P) | 26.15y | ± 0.51 |
Periastron (T) | 2008.55y | ± 0.44 |
Semi-major axis (a) | 0.131a | ± 0.016 |
Eccentricity (e) | 0.54 | ± 0.01 |
Inclination (i) | 27.7° | ± 15.9 |
Longitude of periastron (ω) | 309° | ± 4.5 |
Node (Ω) | 124.3° | ± 34.2 |
Notes | | |
Reference | Tok2020e | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
279.6 |
0.180 |
2001 |
285.3 |
0.172 |
2002 |
291.5 |
0.163 |
2003 |
298.7 |
0.150 |
2004 |
307.3 |
0.135 |
2005 |
318.4 |
0.117 |
2006 |
334.1 |
0.095 |
2007 |
359.9 |
0.072 |
2008 |
45.3 |
0.056 |
2009 |
100.1 |
0.061 |
2010 |
138.5 |
0.076 |
2011 |
163.8 |
0.091 |
2012 |
181.9 |
0.106 |
2013 |
195.8 |
0.120 |
2014 |
206.9 |
0.132 |
2015 |
216.1 |
0.144 |
2016 |
224.0 |
0.154 |
2017 |
231.0 |
0.163 |
2018 |
237.3 |
0.171 |
2019 |
243.1 |
0.178 |
2020 |
248.5 |
0.183 |
2021 |
253.6 |
0.187 |
2022 |
258.6 |
0.189 |
2023 |
263.5 |
0.189 |
2024 |
268.5 |
0.188 |
2025 |
273.5 |
0.185 |
2026 |
278.8 |
0.180 |
2027 |
284.4 |
0.174 |
2028 |
290.5 |
0.164 |
2029 |
297.5 |
0.152 |
2030 |
305.9 |
0.138 |
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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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