00167+3629 STT 4 (HD 1224)
00h 16m 44.54s +36° 29' 29.4" P.A. 26.00 sep 0.2 mag 7.94,9.88 Sp G0 dist. 78 pc (254.44 l.y.)
| Coord 2000 |
00167+3629 |
|
Discov num |
STT 4 |
|
Comp |
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|
Coord arcsec 2000 |
00 16 44.54 +36 29 29.4 |
|
| Date first |
1845 |
|
Date last |
2014 |
|
Obs |
157 |
|
| Pa first |
201 |
|
Pa last |
25.7 |
|
P.A. Now (θ) |
303.8° |
|
| Sep first |
0.5 |
|
Sep last |
0.17 |
|
Sep. Now (ρ) |
0.196" |
|
| Mag pri |
7.94 |
|
Mag sec |
9.88 |
|
delta mag (ΔM) |
1.94 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+093 |
|
Sec motion ra |
+093 |
|
| Pri motion dec |
+053 |
|
Sec motion dec |
+053 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 1224 |
|
Constellation |
Andromeda |
|
SAO |
53773 |
|
HIP |
1336 |
|
| Tycho2 |
2272-01489-1 |
|
Gaia DR2 |
2876640215778437504 |
|
HD |
1224 |
|
ADS |
221 |
|
| BD |
BD+35 34 |
|
Distance |
78 |
|
Distance ly |
254.44 |
|
ORBITAL ELEMENTS
| Period (P) | 108.9y | |
Periastron (T) | 1907.9y | |
Semi-major axis (a) | 0.35a | |
| Eccentricity (e) | 0.56 | |
Inclination (i) | 162.5° | |
Longitude of periastron (ω) | 356.3° | |
| Node (Ω) | 10.8° | |
Notes | n | |
Reference | Alz2000a | |
| Equinox | | |
Last observation | 1999 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
137.8 |
0.331 |
| 2001 |
134.8 |
0.319 |
| 2002 |
131.5 |
0.307 |
| 2003 |
128.0 |
0.294 |
| 2004 |
124.1 |
0.281 |
| 2005 |
119.9 |
0.268 |
| 2006 |
115.2 |
0.255 |
| 2007 |
110.0 |
0.241 |
| 2008 |
104.2 |
0.228 |
| 2009 |
97.7 |
0.215 |
| 2010 |
90.3 |
0.203 |
| 2011 |
82.0 |
0.191 |
| 2012 |
72.7 |
0.180 |
| 2013 |
62.3 |
0.171 |
| 2014 |
50.7 |
0.163 |
| 2015 |
38.3 |
0.158 |
| 2016 |
25.1 |
0.155 |
| 2017 |
11.6 |
0.154 |
| 2018 |
358.3 |
0.156 |
| 2019 |
345.5 |
0.160 |
| 2020 |
333.5 |
0.167 |
| 2021 |
322.5 |
0.175 |
| 2022 |
312.7 |
0.185 |
| 2023 |
303.8 |
0.196 |
| 2024 |
296.0 |
0.208 |
| 2025 |
289.0 |
0.220 |
| 2026 |
282.8 |
0.233 |
| 2027 |
277.2 |
0.246 |
| 2028 |
272.2 |
0.259 |
| 2029 |
267.7 |
0.272 |
| 2030 |
263.5 |
0.285 |
|
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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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