02202+2949 A 961 (HD 14394)
02h 20m 10.41s +29° 48' 42.2" P.A. 273.00 sep 0.3 mag 9.31,8.94 Sp F5 dist. 103.52 pc (337.68 l.y.)
Coord 2000 |
02202+2949 |
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Discov num |
A 961 |
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Comp |
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Coord arcsec 2000 |
02 20 10.41 +29 48 42.2 |
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Date first |
1905 |
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Date last |
2013 |
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Obs |
60 |
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Pa first |
57 |
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Pa last |
272.5 |
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P.A. Now (θ) |
272.5° |
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Sep first |
0.2 |
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Sep last |
0.305 |
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Sep. Now (ρ) |
0.305" |
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Mag pri |
9.31 |
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Mag sec |
8.94 |
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delta mag (ΔM) |
0.37 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-011 |
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Sec motion ra |
-011 |
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Pri motion dec |
-014 |
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Sec motion dec |
-014 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 14394 |
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Constellation |
Triangulum |
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SAO |
75289 |
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HIP |
10892 |
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Tycho2 |
1777-00367-1 |
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HD |
14394 |
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ADS |
1780 |
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BD |
BD+29 393 |
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Distance |
103.52 |
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Distance ly |
337.68 |
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ORBITAL ELEMENTS
Period (P) | 143.1y | ± 5.6 |
Periastron (T) | 2038.1y | ± 5.7 |
Semi-major axis (a) | 0.294a | ± 0.057 |
Eccentricity (e) | 0.571 | ± 0.095 |
Inclination (i) | 145.4° | ± 3.9 |
Longitude of periastron (ω) | 15.6° | ± 8.5 |
Node (Ω) | 150° | ± 5.8 |
Notes | | |
Reference | Nov2007b | |
Equinox | 2000 | |
Last observation | 2003 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
288.4 |
0.351 |
2001 |
287.2 |
0.345 |
2002 |
286.0 |
0.339 |
2003 |
284.7 |
0.333 |
2004 |
283.3 |
0.327 |
2005 |
281.9 |
0.321 |
2006 |
280.4 |
0.314 |
2007 |
278.9 |
0.308 |
2008 |
277.3 |
0.301 |
2009 |
275.7 |
0.294 |
2010 |
273.9 |
0.287 |
2011 |
272.1 |
0.280 |
2012 |
270.2 |
0.273 |
2013 |
268.2 |
0.265 |
2014 |
266.0 |
0.258 |
2015 |
263.7 |
0.251 |
2016 |
261.3 |
0.243 |
2017 |
258.8 |
0.236 |
2018 |
256.0 |
0.228 |
2019 |
253.1 |
0.221 |
2020 |
250.0 |
0.213 |
2021 |
246.6 |
0.206 |
2022 |
243.0 |
0.198 |
2023 |
239.1 |
0.191 |
2024 |
235.0 |
0.184 |
2025 |
230.5 |
0.177 |
2026 |
225.6 |
0.171 |
2027 |
220.4 |
0.165 |
2028 |
214.8 |
0.159 |
2029 |
208.8 |
0.154 |
2030 |
202.4 |
0.149 |
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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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