03130+4417 STT 51 (HD 19822)
03h 12m 57.08s +44° 17' 14.7" P.A. 353.00 sep 0.6 mag 8.51,8.74 Sp G0 dist. 115.61 pc (377.12 l.y.)
Coord 2000 |
03130+4417 |
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Discov num |
STT 51 |
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Comp |
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Coord arcsec 2000 |
03 12 57.08 +44 17 14.7 |
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Date first |
1843 |
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Date last |
2019 |
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Obs |
58 |
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Pa first |
300 |
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Pa last |
352.7 |
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P.A. Now (θ) |
352.7° |
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Sep first |
1.2 |
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Sep last |
0.57 |
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Sep. Now (ρ) |
0.57" |
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Mag pri |
8.51 |
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Mag sec |
8.74 |
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delta mag (ΔM) |
0.23 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+091 |
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Sec motion ra |
+091 |
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Pri motion dec |
-024 |
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Sec motion dec |
-024 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 19822 |
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Constellation |
Perseus |
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SAO |
38648 |
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HIP |
14969 |
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Tycho2 |
2860-01435-1 |
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Gaia DR2 |
240858982821530624 |
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HD |
19822 |
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ADS |
2397 |
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BD |
BD+43 653 |
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Distance |
115.61 |
|
Distance ly |
377.12 |
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ORBITAL ELEMENTS
Period (P) | 598y | ± 117 |
Periastron (T) | 2051.69y | ± 6.74 |
Semi-major axis (a) | 0.998a | ± 0.106 |
Eccentricity (e) | 0.718 | ± 0.099 |
Inclination (i) | 43° | ± 16 |
Longitude of periastron (ω) | 308.9° | ± 17 |
Node (Ω) | 148.6° | ± 30.7 |
Notes | | |
Reference | Lin2012a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
335.4 |
0.745 |
2001 |
336.0 |
0.735 |
2002 |
336.5 |
0.724 |
2003 |
337.1 |
0.714 |
2004 |
337.7 |
0.704 |
2005 |
338.4 |
0.693 |
2006 |
339.0 |
0.682 |
2007 |
339.7 |
0.671 |
2008 |
340.4 |
0.660 |
2009 |
341.1 |
0.649 |
2010 |
341.8 |
0.638 |
2011 |
342.6 |
0.626 |
2012 |
343.4 |
0.614 |
2013 |
344.2 |
0.603 |
2014 |
345.1 |
0.591 |
2015 |
346.0 |
0.579 |
2016 |
346.9 |
0.566 |
2017 |
347.9 |
0.554 |
2018 |
348.9 |
0.542 |
2019 |
349.9 |
0.529 |
2020 |
351.1 |
0.516 |
2021 |
352.2 |
0.503 |
2022 |
353.5 |
0.490 |
2023 |
354.8 |
0.477 |
2024 |
356.2 |
0.464 |
2025 |
357.6 |
0.450 |
2026 |
359.2 |
0.437 |
2027 |
0.8 |
0.423 |
2028 |
2.6 |
0.409 |
2029 |
4.5 |
0.396 |
2030 |
6.5 |
0.382 |
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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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