01576+4205 YSC 125
01h 57m 34.87s +42° 04' 36.1" P.A. 33.00 sep 0.0 mag 9.40,10.30 Sp G0 dist. 69.2 pc (225.73 l.y.)
Coord 2000 |
01576+4205 |
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Discov num |
YSC 125 |
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Comp |
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Coord arcsec 2000 |
01 57 34.87 +42 04 36.1 |
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Date first |
2007 |
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Date last |
2007 |
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Obs |
1 |
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Pa first |
33 |
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Pa last |
32.7 |
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P.A. Now (θ) |
32.7° |
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Sep first |
0.0 |
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Sep last |
0.021 |
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Sep. Now (ρ) |
0.021" |
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Mag pri |
9.40 |
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Mag sec |
10.30 |
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delta mag (ΔM) |
0.9 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+284 |
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Sec motion ra |
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Pri motion dec |
-102 |
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Sec motion dec |
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Notes |
N
(See Notes) |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Andromeda |
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HIP |
9121 |
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Tycho2 |
2824-01054-1 |
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Gaia DR2 |
346081253464896128 |
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BD |
BD+41 379 |
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Distance |
69.2 |
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Distance ly |
225.73 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 01576+4205 |
coord_arcsec_2000 | 015734.65+420437.0 |
Period (P) | 694.87d | ± 0.35 |
Periastron (T) | 47889.5d (1989.993y) | ± 1.1 |
Semi-major axis (a) | 22.2m | ± 1.8 |
Eccentricity (e) | 0.57 | ± 0.007 |
Inclination (i) | 96° | ± 5.7 |
Longitude of periastron (ω) | 310.2° | ± 1.1 |
Node (Ω) | 214.1° | ± 7.7 |
Notes | n | |
Reference | Ren2010 | |
Equinox | 2000 | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
72.6 |
0.005 |
2001-01-01 |
35.0 |
0.026 |
2002-01-01 |
54.4 |
0.009 |
2003-01-01 |
33.6 |
0.022 |
2004-01-01 |
47.9 |
0.013 |
2005-01-01 |
31.6 |
0.017 |
2006-01-01 |
44.5 |
0.017 |
2007-01-01 |
26.0 |
0.008 |
2008-01-01 |
42.3 |
0.021 |
2009-01-01 |
226.6 |
0.004 |
2010-01-01 |
40.7 |
0.024 |
2011-01-01 |
213.2 |
0.011 |
2012-01-01 |
39.4 |
0.026 |
2013-01-01 |
207.3 |
0.011 |
2014-01-01 |
38.3 |
0.027 |
2015-01-01 |
197.8 |
0.007 |
2016-01-01 |
37.3 |
0.028 |
2017-01-01 |
166.7 |
0.004 |
2018-01-01 |
36.3 |
0.028 |
2019-01-01 |
83.4 |
0.004 |
2020-01-01 |
35.3 |
0.026 |
2021-01-01 |
57.2 |
0.008 |
2022-01-01 |
34.0 |
0.024 |
2023-01-01 |
49.1 |
0.012 |
2024-01-01 |
32.3 |
0.018 |
2025-01-01 |
45.2 |
0.016 |
2026-01-01 |
28.4 |
0.011 |
2027-01-01 |
42.8 |
0.020 |
2028-01-01 |
260.1 |
0.001 |
2029-01-01 |
41.1 |
0.023 |
2030-01-01 |
214.8 |
0.010 |
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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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