00469+4339 HDS 102
00h 46m 56.67s +43° 38' 47.2" P.A. 90.00 sep 0.1 mag 10.12,11.65 Sp K2 dist. 64.68 pc (210.99 l.y.)
| Coord 2000 |
00469+4339 |
|
Discov num |
HDS 102 |
|
Comp |
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Coord arcsec 2000 |
00 46 56.67 +43 38 47.2 |
|
| Date first |
1991 |
|
Date last |
2010 |
|
Obs |
12 |
|
| Pa first |
173 |
|
Pa last |
89.6 |
|
P.A. Now (θ) |
89.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.134 |
|
Sep. Now (ρ) |
0.134" |
|
| Mag pri |
10.12 |
|
Mag sec |
11.65 |
|
delta mag (ΔM) |
1.53 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-297 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Andromeda |
|
HIP |
3669 |
|
Tycho2 |
2809-00167-1 |
|
Gaia DR2 |
375872108700583936 |
|
| BD |
BD+42 170 |
|
Distance |
64.68 |
|
Distance ly |
210.99 |
|
ORBITAL ELEMENTS
| Period (P) | 83.89y | |
Periastron (T) | 2016.7y | |
Semi-major axis (a) | 0.336a | |
| Eccentricity (e) | 0.783 | |
Inclination (i) | 113.4° | |
Longitude of periastron (ω) | 61.3° | |
| Node (Ω) | 51.3° | |
Notes | | |
Reference | Doc2017i | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
148.0 |
0.175 |
| 2001 |
144.0 |
0.169 |
| 2002 |
139.6 |
0.163 |
| 2003 |
134.9 |
0.157 |
| 2004 |
129.9 |
0.152 |
| 2005 |
124.6 |
0.148 |
| 2006 |
118.9 |
0.144 |
| 2007 |
113.0 |
0.141 |
| 2008 |
106.9 |
0.139 |
| 2009 |
100.6 |
0.137 |
| 2010 |
94.1 |
0.135 |
| 2011 |
87.4 |
0.133 |
| 2012 |
80.6 |
0.131 |
| 2013 |
73.5 |
0.127 |
| 2014 |
65.6 |
0.119 |
| 2015 |
56.2 |
0.104 |
| 2016 |
41.2 |
0.074 |
| 2017 |
349.3 |
0.033 |
| 2018 |
263.1 |
0.060 |
| 2019 |
245.1 |
0.109 |
| 2020 |
237.9 |
0.151 |
| 2021 |
233.7 |
0.186 |
| 2022 |
230.7 |
0.215 |
| 2023 |
228.4 |
0.240 |
| 2024 |
226.4 |
0.261 |
| 2025 |
224.8 |
0.280 |
| 2026 |
223.4 |
0.296 |
| 2027 |
222.1 |
0.311 |
| 2028 |
220.9 |
0.324 |
| 2029 |
219.8 |
0.335 |
| 2030 |
218.8 |
0.346 |
|
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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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