04599+5327 A 1303 (HD 31578)
04h 59m 53.79s +53° 27' 07.6" P.A. 265.00 sep 0.2 mag 8.54,9.24 Sp F5 dist. 99.4 pc (324.24 l.y.)
| Coord 2000 |
04599+5327 |
|
Discov num |
A 1303 |
|
Comp |
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Coord arcsec 2000 |
04 59 53.79 +53 27 07.6 |
|
| Date first |
1906 |
|
Date last |
2007 |
|
Obs |
25 |
|
| Pa first |
34 |
|
Pa last |
265.3 |
|
P.A. Now (θ) |
198.3° |
|
| Sep first |
0.2 |
|
Sep last |
0.158 |
|
Sep. Now (ρ) |
0.113" |
|
| Mag pri |
8.54 |
|
Mag sec |
9.24 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-029 |
|
Sec motion ra |
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|
| Pri motion dec |
-012 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 31578 |
|
Constellation |
Camelopardalis |
|
SAO |
24944 |
|
HIP |
23229 |
|
| Tycho2 |
3734-01371-1 |
|
Gaia DR2 |
261112506700941952 |
|
HD |
31578 |
|
ADS |
3573 |
|
| BD |
BD+53 836 |
|
Distance |
99.4 |
|
Distance ly |
324.24 |
|
ORBITAL ELEMENTS
| Period (P) | 142.25y | |
Periastron (T) | 2030.31y | |
Semi-major axis (a) | 0.198a | |
| Eccentricity (e) | 0.486 | |
Inclination (i) | 133.1° | |
Longitude of periastron (ω) | 210.9° | |
| Node (Ω) | 1.2° | |
Notes | n | |
Reference | Sca2001a | |
| Equinox | 2000 | |
Last observation | 1996 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
285.0 |
0.153 |
| 2001 |
282.5 |
0.150 |
| 2002 |
279.8 |
0.147 |
| 2003 |
276.9 |
0.143 |
| 2004 |
274.0 |
0.140 |
| 2005 |
270.9 |
0.137 |
| 2006 |
267.7 |
0.135 |
| 2007 |
264.4 |
0.132 |
| 2008 |
260.9 |
0.130 |
| 2009 |
257.4 |
0.127 |
| 2010 |
253.6 |
0.125 |
| 2011 |
249.8 |
0.124 |
| 2012 |
245.9 |
0.122 |
| 2013 |
241.9 |
0.121 |
| 2014 |
237.8 |
0.120 |
| 2015 |
233.6 |
0.119 |
| 2016 |
229.4 |
0.118 |
| 2017 |
225.1 |
0.117 |
| 2018 |
220.7 |
0.116 |
| 2019 |
216.3 |
0.116 |
| 2020 |
211.9 |
0.115 |
| 2021 |
207.4 |
0.115 |
| 2022 |
202.9 |
0.114 |
| 2023 |
198.3 |
0.113 |
| 2024 |
193.6 |
0.112 |
| 2025 |
188.8 |
0.110 |
| 2026 |
183.8 |
0.108 |
| 2027 |
178.6 |
0.105 |
| 2028 |
173.1 |
0.102 |
| 2029 |
167.3 |
0.099 |
| 2030 |
161.0 |
0.096 |
|
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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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