15493+0503 A 1126 (HD 141512)
15h 49m 20.14s +05° 02' 43.3" P.A. 136.00 sep 0.1 mag 9.40,9.40 Sp K0III+K0 dist. 564.97 pc (1842.93 l.y.)
Coord 2000 |
15493+0503 |
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Discov num |
A 1126 |
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Comp |
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Coord arcsec 2000 |
15 49 20.14 +05 02 43.3 |
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Date first |
1905 |
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Date last |
2020 |
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Obs |
23 |
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Pa first |
230 |
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Pa last |
135.8 |
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P.A. Now (θ) |
135.8° |
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Sep first |
0.2 |
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Sep last |
0.061 |
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Sep. Now (ρ) |
0.061" |
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Mag pri |
9.40 |
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Mag sec |
9.40 |
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delta mag (ΔM) |
0 |
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Spectral class |
K0III+K0 (yellow-orange/yellow-orange) |
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Pri motion ra |
-035 |
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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 |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 141512 |
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Constellation |
Serpens |
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SAO |
121206 |
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HIP |
77489 |
|
Tycho2 |
0360-00815-1 |
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Gaia DR2 |
4426264003859256064 |
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HD |
141512 |
|
ADS |
9797 |
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BD |
BD+05 3090 |
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Distance |
564.97 |
|
Distance ly |
1842.93 |
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ORBITAL ELEMENTS
Period (P) | 289y | |
Periastron (T) | 1999.1y | |
Semi-major axis (a) | 0.197a | |
Eccentricity (e) | 0.647 | |
Inclination (i) | 63.5° | |
Longitude of periastron (ω) | 357.9° | |
Node (Ω) | 34.4° | |
Notes | | |
Reference | Doc2020d | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
36.5 |
0.070 |
2001 |
39.9 |
0.069 |
2002 |
43.4 |
0.068 |
2003 |
47.0 |
0.067 |
2004 |
50.8 |
0.065 |
2005 |
54.8 |
0.063 |
2006 |
59.0 |
0.061 |
2007 |
63.5 |
0.059 |
2008 |
68.4 |
0.057 |
2009 |
73.6 |
0.055 |
2010 |
79.3 |
0.053 |
2011 |
85.3 |
0.052 |
2012 |
91.6 |
0.051 |
2013 |
98.1 |
0.050 |
2014 |
104.8 |
0.050 |
2015 |
111.4 |
0.050 |
2016 |
117.8 |
0.051 |
2017 |
124.0 |
0.052 |
2018 |
129.9 |
0.054 |
2019 |
135.3 |
0.056 |
2020 |
140.2 |
0.059 |
2021 |
144.8 |
0.062 |
2022 |
148.9 |
0.065 |
2023 |
152.6 |
0.068 |
2024 |
156.0 |
0.072 |
2025 |
159.0 |
0.075 |
2026 |
161.8 |
0.079 |
2027 |
164.3 |
0.083 |
2028 |
166.5 |
0.087 |
2029 |
168.6 |
0.091 |
2030 |
170.5 |
0.095 |
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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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