03158+5057 HU 544 (V572 Per)
03h 15m 48.70s +50° 57' 21.2" P.A. 103.00 sep 1.7 mag 6.72,8.20 Sp A0 dist. 134.95 pc (440.21 l.y.)
Coord 2000 |
03158+5057 |
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Discov num |
HU 544 |
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Comp |
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Coord arcsec 2000 |
03 15 48.70 +50 57 21.2 |
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Date first |
1902 |
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Date last |
2018 |
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Obs |
30 |
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Pa first |
98 |
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Pa last |
102.5 |
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P.A. Now (θ) |
102.5° |
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Sep first |
0.6 |
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Sep last |
1.674 |
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Sep. Now (ρ) |
1.674" |
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Mag pri |
6.72 |
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Mag sec |
8.20 |
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delta mag (ΔM) |
1.48 |
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Spectral class |
A0 (white) |
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Pri motion ra |
+033 |
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Sec motion ra |
+033 |
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Pri motion dec |
-035 |
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Sec motion dec |
-035 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
V572 Per |
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Constellation |
Perseus |
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SAO |
23907 |
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HIP |
15193 |
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Tycho2 |
3323-00091-1 |
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Gaia DR2 |
442831198606351104 |
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HD |
20096 |
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GC |
3876 |
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ADS |
2425 |
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BD |
BD+50 725 |
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Distance |
134.95 |
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Distance ly |
440.21 |
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ORBITAL ELEMENTS
Period (P) | 473.0476y | ± 226.9345 |
Periastron (T) | 1858.9193y | ± 34.265 |
Semi-major axis (a) | 1.15413a | ± 0.61498 |
Eccentricity (e) | 0.53719 | ± 0.31297 |
Inclination (i) | 86.468° | ± 2.331 |
Longitude of periastron (ω) | 202.947° | ± 64.343 |
Node (Ω) | 102.286° | ± 1.284 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
102.0 |
1.552 |
2001 |
102.0 |
1.557 |
2002 |
102.0 |
1.562 |
2003 |
102.0 |
1.568 |
2004 |
102.0 |
1.573 |
2005 |
102.1 |
1.578 |
2006 |
102.1 |
1.583 |
2007 |
102.1 |
1.587 |
2008 |
102.1 |
1.592 |
2009 |
102.1 |
1.597 |
2010 |
102.2 |
1.601 |
2011 |
102.2 |
1.606 |
2012 |
102.2 |
1.610 |
2013 |
102.2 |
1.614 |
2014 |
102.3 |
1.618 |
2015 |
102.3 |
1.622 |
2016 |
102.3 |
1.626 |
2017 |
102.3 |
1.629 |
2018 |
102.3 |
1.633 |
2019 |
102.3 |
1.637 |
2020 |
102.4 |
1.640 |
2021 |
102.4 |
1.643 |
2022 |
102.4 |
1.647 |
2023 |
102.4 |
1.650 |
2024 |
102.4 |
1.653 |
2025 |
102.5 |
1.656 |
2026 |
102.5 |
1.659 |
2027 |
102.5 |
1.661 |
2028 |
102.5 |
1.664 |
2029 |
102.5 |
1.666 |
2030 |
102.6 |
1.669 |
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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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