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 |
|
Discov num |
A 961 |
|
Comp |
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Coord arcsec 2000 |
02 20 10.41 +29 48 42.2 |
|
| Date first |
1905 |
|
Date last |
2013 |
|
Obs |
60 |
|
| Pa first |
57 |
|
Pa last |
272.5 |
|
P.A. Now (θ) |
272.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.305 |
|
Sep. Now (ρ) |
0.305" |
|
| Mag pri |
9.31 |
|
Mag sec |
8.94 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 14394 |
|
Constellation |
Triangulum |
|
SAO |
75289 |
|
HIP |
10892 |
|
| Tycho2 |
1777-00367-1 |
|
HD |
14394 |
|
ADS |
1780 |
|
BD |
BD+29 393 |
|
| Distance |
103.52 |
|
Distance ly |
337.68 |
|
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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