14122+4411 STT 278 (HD 124399)
14h 12m 14.66s +44° 11' 22.5" P.A. 272.00 sep 0.4 mag 8.43,8.76 Sp F2IV dist. 192.68 pc (628.52 l.y.)
| Coord 2000 |
14122+4411 |
|
Discov num |
STT 278 |
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Comp |
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Coord arcsec 2000 |
14 12 14.66 +44 11 22.5 |
|
| Date first |
1843 |
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Date last |
2018 |
|
Obs |
162 |
|
| Pa first |
151 |
|
Pa last |
272.1 |
|
P.A. Now (θ) |
267.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.366 |
|
Sep. Now (ρ) |
0.407" |
|
| Mag pri |
8.43 |
|
Mag sec |
8.76 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
F2IV (yellow-white) |
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| Pri motion ra |
-033 |
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Sec motion ra |
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| Pri motion dec |
+015 |
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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 124399 |
|
Constellation |
Bootes |
|
SAO |
44933 |
|
HIP |
69388 |
|
| Tycho2 |
3040-00430-1 |
|
HD |
124399 |
|
ADS |
9159 |
|
BD |
BD+44 2336 |
|
| Distance |
192.68 |
|
Distance ly |
628.52 |
|
ORBITAL ELEMENTS
| Period (P) | 506.77y | ± 15.01 |
Periastron (T) | 1948.42y | ± 1.67 |
Semi-major axis (a) | 0.518a | ± 0.008 |
| Eccentricity (e) | 0.434 | ± 0.01 |
Inclination (i) | 149.9° | ± 2.1 |
Longitude of periastron (ω) | 355.7° | ± 4.5 |
| Node (Ω) | 8.5° | ± 6.4 |
Notes | n | |
Reference | Hrt2009 | |
| Equinox | | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
292.2 |
0.347 |
| 2001 |
290.9 |
0.349 |
| 2002 |
289.7 |
0.351 |
| 2003 |
288.5 |
0.353 |
| 2004 |
287.3 |
0.356 |
| 2005 |
286.2 |
0.358 |
| 2006 |
285.0 |
0.361 |
| 2007 |
283.9 |
0.363 |
| 2008 |
282.8 |
0.366 |
| 2009 |
281.7 |
0.368 |
| 2010 |
280.6 |
0.371 |
| 2011 |
279.5 |
0.373 |
| 2012 |
278.4 |
0.376 |
| 2013 |
277.4 |
0.379 |
| 2014 |
276.4 |
0.382 |
| 2015 |
275.4 |
0.384 |
| 2016 |
274.4 |
0.387 |
| 2017 |
273.4 |
0.390 |
| 2018 |
272.4 |
0.393 |
| 2019 |
271.4 |
0.395 |
| 2020 |
270.5 |
0.398 |
| 2021 |
269.6 |
0.401 |
| 2022 |
268.7 |
0.404 |
| 2023 |
267.8 |
0.407 |
| 2024 |
266.9 |
0.410 |
| 2025 |
266.0 |
0.413 |
| 2026 |
265.1 |
0.416 |
| 2027 |
264.3 |
0.419 |
| 2028 |
263.4 |
0.422 |
| 2029 |
262.6 |
0.425 |
| 2030 |
261.8 |
0.428 |
|
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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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