05202+4105 HDS 701 (HD 34557)
05h 20m 14.68s +41° 05' 10.8" P.A. 237.00 sep 0.1 mag 5.58,8.55 Sp A3V dist. 84.96 pc (277.14 l.y.)
Coord 2000 |
05202+4105 |
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Discov num |
HDS 701 |
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Comp |
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Coord arcsec 2000 |
05 20 14.68 +41 05 10.8 |
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Date first |
1991 |
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Date last |
2011 |
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Obs |
10 |
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Pa first |
48 |
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Pa last |
236.6 |
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P.A. Now (θ) |
236.6° |
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Sep first |
0.4 |
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Sep last |
0.057 |
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Sep. Now (ρ) |
0.057" |
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Mag pri |
5.58 |
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Mag sec |
8.55 |
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delta mag (ΔM) |
2.97 |
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Spectral class |
A3V (white) |
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Pri motion ra |
-018 |
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Sec motion ra |
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Pri motion dec |
-052 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 34557 |
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Constellation |
Auriga |
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SAO |
40248 |
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HIP |
24902 |
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Tycho2 |
2913-02360-1 |
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Gaia DR2 |
194864182347584512 |
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HD |
34557 |
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HR |
1738 |
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GC |
6516 |
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BD |
BD+40 1253 |
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Distance |
84.96 |
|
Distance ly |
277.14 |
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ORBITAL ELEMENTS
Period (P) | 105.887y | ± 0.995 |
Periastron (T) | 2011.398y | ± 0.949 |
Semi-major axis (a) | 0.3914a | ± 0.0153 |
Eccentricity (e) | 0.817 | ± 0.048 |
Inclination (i) | 60.8° | ± 1.1 |
Longitude of periastron (ω) | 100.2° | ± 1.9 |
Node (Ω) | 83.2° | ± 0.8 |
Notes | | |
Reference | Cve2020b | |
Equinox | 2000 | |
Last observation | 2011 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
59.6 |
0.297 |
2001 |
61.3 |
0.287 |
2002 |
63.2 |
0.276 |
2003 |
65.2 |
0.263 |
2004 |
67.4 |
0.248 |
2005 |
70.0 |
0.231 |
2006 |
73.0 |
0.212 |
2007 |
76.6 |
0.189 |
2008 |
81.4 |
0.162 |
2009 |
88.4 |
0.128 |
2010 |
101.7 |
0.085 |
2011 |
148.7 |
0.039 |
2012 |
236.1 |
0.060 |
2013 |
259.3 |
0.103 |
2014 |
269.8 |
0.133 |
2015 |
276.8 |
0.155 |
2016 |
282.3 |
0.172 |
2017 |
286.8 |
0.185 |
2018 |
290.9 |
0.196 |
2019 |
294.5 |
0.206 |
2020 |
297.8 |
0.214 |
2021 |
300.9 |
0.221 |
2022 |
303.8 |
0.228 |
2023 |
306.6 |
0.233 |
2024 |
309.2 |
0.239 |
2025 |
311.7 |
0.244 |
2026 |
314.1 |
0.249 |
2027 |
316.5 |
0.253 |
2028 |
318.7 |
0.258 |
2029 |
320.9 |
0.262 |
2030 |
323.0 |
0.266 |
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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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