03125+1857 HDS 408 (HD 19895)
03h 12m 32.90s +18° 56' 37.1" P.A. 160.00 sep 0.1 mag 9.14,9.45 Sp G5 dist. 94.34 pc (307.74 l.y.)
| Coord 2000 |
03125+1857 |
|
Discov num |
HDS 408 |
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Comp |
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Coord arcsec 2000 |
03 12 32.90 +18 56 37.1 |
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| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
163 |
|
Pa last |
160.3 |
|
P.A. Now (θ) |
154° |
|
| Sep first |
0.1 |
|
Sep last |
0.079 |
|
Sep. Now (ρ) |
0.057" |
|
| Mag pri |
9.14 |
|
Mag sec |
9.45 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
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| Pri motion dec |
-023 |
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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 19895 |
|
Constellation |
Aries |
|
SAO |
93336 |
|
HIP |
14929 |
|
| Tycho2 |
1240-00868-1 |
|
Gaia DR2 |
59032508713243008 |
|
HD |
19895 |
|
BD |
BD+18 430 |
|
| Distance |
94.34 |
|
Distance ly |
307.74 |
|
ORBITAL ELEMENTS
| Period (P) | 19.414y | ± 0.209 |
Periastron (T) | 2007.132y | ± 0.198 |
Semi-major axis (a) | 0.1004a | ± 0.0022 |
| Eccentricity (e) | 0.032 | ± 0.009 |
Inclination (i) | 101.7° | ± 0.3 |
Longitude of periastron (ω) | 126.2° | ± 24.1 |
| Node (Ω) | 171.4° | ± 0.3 |
Notes | | |
Reference | Cve2017b | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
173.2 |
0.101 |
| 2001 |
169.5 |
0.101 |
| 2002 |
165.4 |
0.090 |
| 2003 |
159.5 |
0.071 |
| 2004 |
147.9 |
0.046 |
| 2005 |
107.8 |
0.022 |
| 2006 |
30.8 |
0.030 |
| 2007 |
8.4 |
0.056 |
| 2008 |
360.0 |
0.079 |
| 2009 |
354.9 |
0.094 |
| 2010 |
350.9 |
0.098 |
| 2011 |
346.8 |
0.093 |
| 2012 |
341.7 |
0.078 |
| 2013 |
333.1 |
0.056 |
| 2014 |
311.4 |
0.031 |
| 2015 |
242.0 |
0.022 |
| 2016 |
198.5 |
0.043 |
| 2017 |
185.5 |
0.067 |
| 2018 |
179.1 |
0.087 |
| 2019 |
174.7 |
0.099 |
| 2020 |
171.0 |
0.102 |
| 2021 |
167.2 |
0.095 |
| 2022 |
162.3 |
0.080 |
| 2023 |
154.0 |
0.057 |
| 2024 |
131.8 |
0.030 |
| 2025 |
55.2 |
0.022 |
| 2026 |
14.5 |
0.045 |
| 2027 |
2.8 |
0.070 |
| 2028 |
356.8 |
0.089 |
| 2029 |
352.5 |
0.098 |
| 2030 |
348.6 |
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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