12160+4807 HU 736 (HD 106689)
12h 16m 00.42s +48° 06' 58.4" P.A. 182.00 sep 0.4 mag 9.57,9.99 Sp F8 dist. 123.15 pc (401.72 l.y.)
Coord 2000 |
12160+4807 |
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Discov num |
HU 736 |
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Comp |
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Coord arcsec 2000 |
12 16 00.42 +48 06 58.4 |
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Date first |
1904 |
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Date last |
2016 |
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Obs |
45 |
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Pa first |
81 |
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Pa last |
181.7 |
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P.A. Now (θ) |
181.7° |
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Sep first |
0.3 |
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Sep last |
0.367 |
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Sep. Now (ρ) |
0.367" |
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Mag pri |
9.57 |
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Mag sec |
9.99 |
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delta mag (ΔM) |
0.42 |
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Spectral class |
F8 (yellow-white) |
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Pri motion ra |
+016 |
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Sec motion ra |
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Pri motion dec |
+000 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 106689 |
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Constellation |
Canes Venatici |
|
SAO |
44096 |
|
HIP |
59820 |
|
Tycho2 |
3455-00557-1 |
|
Gaia DR2 |
1545661049389513472 |
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HD |
106689 |
|
ADS |
8485 |
|
BD |
BD+48 2010 |
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Distance |
123.15 |
|
Distance ly |
401.72 |
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ORBITAL ELEMENTS
Period (P) | 245.47y | |
Periastron (T) | 1949.77y | |
Semi-major axis (a) | 0.305a | |
Eccentricity (e) | 0.427 | |
Inclination (i) | 153.4° | |
Longitude of periastron (ω) | 314.7° | |
Node (Ω) | 275.9° | |
Notes | n | |
Reference | USN2006a | |
Equinox | 2000 | |
Last observation | 1997 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
200.5 |
0.291 |
2001 |
199.2 |
0.293 |
2002 |
197.9 |
0.296 |
2003 |
196.6 |
0.298 |
2004 |
195.4 |
0.300 |
2005 |
194.2 |
0.303 |
2006 |
193.0 |
0.305 |
2007 |
191.8 |
0.308 |
2008 |
190.7 |
0.310 |
2009 |
189.5 |
0.312 |
2010 |
188.4 |
0.315 |
2011 |
187.3 |
0.317 |
2012 |
186.2 |
0.319 |
2013 |
185.1 |
0.322 |
2014 |
184.1 |
0.324 |
2015 |
183.0 |
0.326 |
2016 |
182.0 |
0.329 |
2017 |
181.0 |
0.331 |
2018 |
180.0 |
0.333 |
2019 |
179.0 |
0.335 |
2020 |
178.0 |
0.337 |
2021 |
177.1 |
0.340 |
2022 |
176.1 |
0.342 |
2023 |
175.2 |
0.344 |
2024 |
174.3 |
0.346 |
2025 |
173.3 |
0.348 |
2026 |
172.4 |
0.350 |
2027 |
171.5 |
0.352 |
2028 |
170.7 |
0.354 |
2029 |
169.8 |
0.356 |
2030 |
168.9 |
0.358 |
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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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