02284+1722 A 2330 (HD 15327)
02h 28m 22.85s +17° 21' 57.6" P.A. 210.00 sep 1.2 mag 9.38,9.56 Sp F5
Coord 2000 |
02284+1722 |
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Discov num |
A 2330 |
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Comp |
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Coord arcsec 2000 |
02 28 22.85 +17 21 57.6 |
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Date first |
1910 |
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Date last |
2018 |
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Obs |
53 |
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Pa first |
165 |
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Pa last |
210.1 |
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P.A. Now (θ) |
210.1° |
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Sep first |
0.8 |
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Sep last |
1.211 |
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Sep. Now (ρ) |
1.211" |
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Mag pri |
9.38 |
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Mag sec |
9.56 |
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delta mag (ΔM) |
0.18 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
+095 |
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Sec motion ra |
+095 |
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Pri motion dec |
-008 |
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Sec motion dec |
-008 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 15327 |
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Constellation |
Aries |
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SAO |
92966 |
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Tycho2 |
1215-00357-1 |
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Gaia DR2 |
82603594175480320 |
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HD |
15327 |
|
ADS |
1874 |
|
ORBITAL ELEMENTS
Period (P) | 1124.6993y | ± 568.0166 |
Periastron (T) | 2087.3032y | ± 106.7579 |
Semi-major axis (a) | 3.05697a | ± 1.77503 |
Eccentricity (e) | 0.78777 | ± 0.17756 |
Inclination (i) | 75.868° | ± 9.035 |
Longitude of periastron (ω) | 246.761° | ± 25.475 |
Node (Ω) | 47.391° | ± 19.744 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
203.4 |
1.186 |
2001 |
203.7 |
1.188 |
2002 |
204.0 |
1.189 |
2003 |
204.4 |
1.191 |
2004 |
204.7 |
1.192 |
2005 |
205.0 |
1.194 |
2006 |
205.3 |
1.195 |
2007 |
205.6 |
1.196 |
2008 |
205.9 |
1.198 |
2009 |
206.2 |
1.199 |
2010 |
206.6 |
1.200 |
2011 |
206.9 |
1.201 |
2012 |
207.2 |
1.202 |
2013 |
207.5 |
1.202 |
2014 |
207.8 |
1.203 |
2015 |
208.1 |
1.204 |
2016 |
208.4 |
1.204 |
2017 |
208.7 |
1.204 |
2018 |
209.0 |
1.205 |
2019 |
209.4 |
1.205 |
2020 |
209.7 |
1.205 |
2021 |
210.0 |
1.205 |
2022 |
210.3 |
1.205 |
2023 |
210.6 |
1.204 |
2024 |
210.9 |
1.204 |
2025 |
211.2 |
1.203 |
2026 |
211.5 |
1.202 |
2027 |
211.8 |
1.201 |
2028 |
212.2 |
1.200 |
2029 |
212.5 |
1.199 |
2030 |
212.8 |
1.198 |
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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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