00274+3054 HDS 62 (HD 2343)
00h 27m 23.42s +30° 53' 36.1" P.A. 314.00 sep 0.1 mag 8.55,10.46 Sp K1III... dist. 460.83 pc (1503.23 l.y.)
Coord 2000 |
00274+3054 |
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Discov num |
HDS 62 |
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Comp |
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Coord arcsec 2000 |
00 27 23.42 +30 53 36.1 |
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Date first |
1991 |
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Date last |
2013 |
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Obs |
5 |
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Pa first |
67 |
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Pa last |
314 |
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P.A. Now (θ) |
314° |
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Sep first |
0.3 |
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Sep last |
0.08 |
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Sep. Now (ρ) |
0.08" |
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Mag pri |
8.55 |
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Mag sec |
10.46 |
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delta mag (ΔM) |
1.91 |
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Spectral class |
K1III... (yellow-orange) |
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Pri motion ra |
-002 |
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Sec motion ra |
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Pri motion dec |
-010 |
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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 2343 |
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Constellation |
Andromeda |
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SAO |
53907 |
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HIP |
2170 |
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Tycho2 |
2262-00040-1 |
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Gaia DR2 |
2859205289960371840 |
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HD |
2343 |
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BD |
BD+30 60 |
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Distance |
460.83 |
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Distance ly |
1503.23 |
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ORBITAL ELEMENTS
Period (P) | 936d (2.56y) | |
Periastron (T) | 42531.9d (1975.324y) | |
Semi-major axis (a) | 4.1m | ± 1 |
Eccentricity (e) | 0 | |
Inclination (i) | 48.9° | ± 11.6 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 293.2° | ± 9.9 |
Notes | n | |
Reference | Ren2013 | |
Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
147.8 |
0.003 |
2001-01-01 |
297.8 |
0.004 |
2002-01-01 |
90.4 |
0.004 |
2003-01-01 |
229.3 |
0.003 |
2004-01-01 |
352.1 |
0.003 |
2005-01-01 |
133.1 |
0.004 |
2006-01-01 |
286.1 |
0.004 |
2007-01-01 |
74.9 |
0.003 |
2008-01-01 |
203.6 |
0.003 |
2009-01-01 |
332.0 |
0.003 |
2010-01-01 |
120.6 |
0.004 |
2011-01-01 |
273.7 |
0.004 |
2012-01-01 |
55.0 |
0.003 |
2013-01-01 |
177.8 |
0.003 |
2014-01-01 |
316.4 |
0.004 |
2015-01-01 |
109.0 |
0.004 |
2016-01-01 |
259.0 |
0.003 |
2017-01-01 |
30.1 |
0.003 |
2018-01-01 |
156.4 |
0.003 |
2019-01-01 |
303.5 |
0.004 |
2020-01-01 |
96.9 |
0.004 |
2021-01-01 |
240.3 |
0.003 |
2022-01-01 |
3.8 |
0.003 |
2023-01-01 |
139.9 |
0.004 |
2024-01-01 |
291.8 |
0.004 |
2025-01-01 |
82.9 |
0.004 |
2026-01-01 |
216.5 |
0.003 |
2027-01-01 |
341.1 |
0.003 |
2028-01-01 |
126.5 |
0.004 |
2029-01-01 |
279.9 |
0.004 |
2030-01-01 |
65.4 |
0.003 |
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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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