06481-0948 A 1056 (HD 49437)
06h 48m 04.16s -09° 47' 39.0" P.A. 260.00 sep 0.4 mag 9.30,9.40 Sp G5
| Coord 2000 |
06481-0948 |
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Discov num |
A 1056 |
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Comp |
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Coord arcsec 2000 |
06 48 04.16 -09 47 39.0 |
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| Date first |
1905 |
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Date last |
2014 |
|
Obs |
14 |
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| Pa first |
80 |
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Pa last |
259.9 |
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P.A. Now (θ) |
259.9° |
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| Sep first |
0.4 |
|
Sep last |
0.355 |
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Sep. Now (ρ) |
0.355" |
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| Mag pri |
9.30 |
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Mag sec |
9.40 |
|
delta mag (ΔM) |
0.1 |
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Spectral class |
G5 (yellow) |
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| Pri motion ra |
+009 |
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Sec motion ra |
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| Pri motion dec |
-033 |
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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 49437 |
|
Constellation |
Monoceros |
|
SAO |
133686 |
|
Tycho2 |
5383-01808-1 |
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| HD |
49437 |
|
ADS |
5464 |
|
ORBITAL ELEMENTS
| Period (P) | 616.86y | ± 513.3 |
Periastron (T) | 1962.17y | ± 10.3 |
Semi-major axis (a) | 0.501a | ± 0.255 |
| Eccentricity (e) | 0.522 | ± 0.282 |
Inclination (i) | 56.7° | ± 7 |
Longitude of periastron (ω) | 280.6° | ± 32.6 |
| Node (Ω) | 256° | ± 13.7 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
250.3 |
0.304 |
| 2001 |
251.0 |
0.307 |
| 2002 |
251.7 |
0.311 |
| 2003 |
252.4 |
0.315 |
| 2004 |
253.1 |
0.318 |
| 2005 |
253.8 |
0.321 |
| 2006 |
254.4 |
0.325 |
| 2007 |
255.1 |
0.328 |
| 2008 |
255.7 |
0.331 |
| 2009 |
256.3 |
0.334 |
| 2010 |
256.9 |
0.337 |
| 2011 |
257.5 |
0.340 |
| 2012 |
258.1 |
0.343 |
| 2013 |
258.7 |
0.346 |
| 2014 |
259.3 |
0.348 |
| 2015 |
259.8 |
0.351 |
| 2016 |
260.4 |
0.353 |
| 2017 |
260.9 |
0.356 |
| 2018 |
261.5 |
0.358 |
| 2019 |
262.0 |
0.361 |
| 2020 |
262.5 |
0.363 |
| 2021 |
263.0 |
0.365 |
| 2022 |
263.5 |
0.367 |
| 2023 |
264.1 |
0.369 |
| 2024 |
264.6 |
0.371 |
| 2025 |
265.0 |
0.373 |
| 2026 |
265.5 |
0.375 |
| 2027 |
266.0 |
0.377 |
| 2028 |
266.5 |
0.379 |
| 2029 |
267.0 |
0.381 |
| 2030 |
267.4 |
0.382 |
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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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