04505+0103 A 2622 (HD 30763)
04h 50m 27.32s +01° 03' 00.5" P.A. 249.00 sep 0.3 mag 9.20,10.00 Sp F0
| Coord 2000 |
04505+0103 |
|
Discov num |
A 2622 |
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Comp |
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Coord arcsec 2000 |
04 50 27.32 +01 03 00.5 |
|
| Date first |
1913 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
84 |
|
Pa last |
249.1 |
|
P.A. Now (θ) |
249.1° |
|
| Sep first |
0.3 |
|
Sep last |
0.304 |
|
Sep. Now (ρ) |
0.304" |
|
| Mag pri |
9.20 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
F0 (yellow-white) |
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| Pri motion ra |
+016 |
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Sec motion ra |
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| Pri motion dec |
-024 |
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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 30763 |
|
Constellation |
Orion |
|
SAO |
112123 |
|
Tycho2 |
0084-00312-1 |
|
| Gaia DR2 |
3231655271799799040 |
|
HD |
30763 |
|
ADS |
3472 |
|
ORBITAL ELEMENTS
| Period (P) | 403.34y | ± 62.54 |
Periastron (T) | 1956.27y | ± 5.59 |
Semi-major axis (a) | 0.345a | ± 0.044 |
| Eccentricity (e) | 0.477 | ± 0.046 |
Inclination (i) | 127.1° | ± 4.9 |
Longitude of periastron (ω) | 270.1° | ± 23 |
| Node (Ω) | 259.9° | ± 10.2 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
258.5 |
0.271 |
| 2001 |
257.7 |
0.274 |
| 2002 |
257.0 |
0.277 |
| 2003 |
256.3 |
0.279 |
| 2004 |
255.6 |
0.282 |
| 2005 |
254.8 |
0.284 |
| 2006 |
254.2 |
0.286 |
| 2007 |
253.5 |
0.289 |
| 2008 |
252.8 |
0.291 |
| 2009 |
252.1 |
0.293 |
| 2010 |
251.5 |
0.295 |
| 2011 |
250.8 |
0.297 |
| 2012 |
250.2 |
0.299 |
| 2013 |
249.6 |
0.300 |
| 2014 |
249.0 |
0.302 |
| 2015 |
248.4 |
0.304 |
| 2016 |
247.7 |
0.306 |
| 2017 |
247.1 |
0.307 |
| 2018 |
246.5 |
0.309 |
| 2019 |
246.0 |
0.310 |
| 2020 |
245.4 |
0.311 |
| 2021 |
244.8 |
0.313 |
| 2022 |
244.2 |
0.314 |
| 2023 |
243.7 |
0.315 |
| 2024 |
243.1 |
0.316 |
| 2025 |
242.5 |
0.317 |
| 2026 |
242.0 |
0.318 |
| 2027 |
241.4 |
0.319 |
| 2028 |
240.9 |
0.320 |
| 2029 |
240.3 |
0.321 |
| 2030 |
239.8 |
0.322 |
|
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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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