01520+1326 HU 1213 (HD 11364)
01h 51m 57.60s +13° 25' 38.0" P.A. 207.00 sep 0.0 mag 9.46,9.87 Sp A3 dist. 210.97 pc (688.18 l.y.)
| Coord 2000 |
01520+1326 |
|
Discov num |
HU 1213 |
|
Comp |
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Coord arcsec 2000 |
01 51 57.60 +13 25 38.0 |
|
| Date first |
1904 |
|
Date last |
2021 |
|
Obs |
27 |
|
| Pa first |
144 |
|
Pa last |
207 |
|
P.A. Now (θ) |
197.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.033 |
|
Sep. Now (ρ) |
0.052" |
|
| Mag pri |
9.46 |
|
Mag sec |
9.87 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
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 11364 |
|
Constellation |
Aries |
|
SAO |
92668 |
|
HIP |
8703 |
|
| Tycho2 |
0628-01011-1 |
|
Gaia DR2 |
2575924266617401600 |
|
HD |
11364 |
|
ADS |
1482 |
|
| BD |
BD+12 246 |
|
Distance |
210.97 |
|
Distance ly |
688.18 |
|
ORBITAL ELEMENTS
| Period (P) | 147.4y | ± 13 |
Periastron (T) | 2019.24y | ± 0.22 |
Semi-major axis (a) | 0.155a | ± 0.015 |
| Eccentricity (e) | 0.895 | ± 0.013 |
Inclination (i) | 131.9° | ± 4.9 |
Longitude of periastron (ω) | 96.3° | ± 5.9 |
| Node (Ω) | 45.9° | ± 8.4 |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
95.6 |
0.132 |
| 2001 |
94.6 |
0.129 |
| 2002 |
93.5 |
0.126 |
| 2003 |
92.4 |
0.122 |
| 2004 |
91.2 |
0.119 |
| 2005 |
89.9 |
0.115 |
| 2006 |
88.5 |
0.111 |
| 2007 |
87.0 |
0.106 |
| 2008 |
85.4 |
0.102 |
| 2009 |
83.7 |
0.097 |
| 2010 |
81.7 |
0.092 |
| 2011 |
79.5 |
0.087 |
| 2012 |
77.0 |
0.081 |
| 2013 |
74.1 |
0.075 |
| 2014 |
70.7 |
0.068 |
| 2015 |
66.4 |
0.060 |
| 2016 |
60.7 |
0.051 |
| 2017 |
52.3 |
0.040 |
| 2018 |
36.7 |
0.027 |
| 2019 |
340.2 |
0.012 |
| 2020 |
241.2 |
0.021 |
| 2021 |
217.0 |
0.034 |
| 2022 |
205.5 |
0.044 |
| 2023 |
197.9 |
0.052 |
| 2024 |
192.3 |
0.059 |
| 2025 |
187.8 |
0.066 |
| 2026 |
184.1 |
0.072 |
| 2027 |
180.9 |
0.077 |
| 2028 |
178.2 |
0.082 |
| 2029 |
175.7 |
0.087 |
| 2030 |
173.5 |
0.091 |
|
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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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