00003-4417 I 1477 (HD 224750)
00h 00m 19.10s -44° 17' 26.0" P.A. 327.00 sep 0.3 mag 6.80,7.56 Sp G3IV dist. 81.37 pc (265.43 l.y.)
| Coord 2000 |
00003-4417 |
|
Discov num |
I 1477 |
|
Comp |
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Coord arcsec 2000 |
00 00 19.10 -44 17 26.0 |
|
| Date first |
1926 |
|
Date last |
2001 |
|
Obs |
31 |
|
| Pa first |
261 |
|
Pa last |
326.5 |
|
P.A. Now (θ) |
326.5° |
|
| Sep first |
0.5 |
|
Sep last |
0.312 |
|
Sep. Now (ρ) |
0.312" |
|
| Mag pri |
6.80 |
|
Mag sec |
7.56 |
|
delta mag (ΔM) |
0.76 |
|
Spectral class |
G3IV (yellow) |
|
| Pri motion ra |
+062 |
|
Sec motion ra |
+062 |
|
| Pri motion dec |
-107 |
|
Sec motion dec |
-107 |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 224750 |
|
Constellation |
Phoenix |
|
SAO |
231888 |
|
HIP |
25 |
|
| Tycho2 |
7529-00356-1 |
|
Gaia DR2 |
4994581292009978112 |
|
HD |
224750 |
|
HR |
9077 |
|
| GC |
33292 |
|
CD |
CD-4415420 |
|
CP |
CP-4410394 |
|
Distance |
81.37 |
|
| Distance ly |
265.43 |
|
ORBITAL ELEMENTS
| Period (P) | 384.1y | ± 22.5 |
Periastron (T) | 2008.2y | ± 14.9 |
Semi-major axis (a) | 1.023a | ± 0.096 |
| Eccentricity (e) | 0.703 | ± 0.056 |
Inclination (i) | 75.3° | ± 2.4 |
Longitude of periastron (ω) | 246.5° | ± 3.1 |
| Node (Ω) | 141.6° | ± 1.9 |
Notes | | |
Reference | Cve2010e | |
| Equinox | 2000 | |
Last observation | 2001 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
324.7 |
0.359 |
| 2001 |
326.2 |
0.339 |
| 2002 |
327.8 |
0.316 |
| 2003 |
329.8 |
0.292 |
| 2004 |
332.0 |
0.265 |
| 2005 |
334.9 |
0.237 |
| 2006 |
338.5 |
0.207 |
| 2007 |
343.3 |
0.177 |
| 2008 |
350.1 |
0.146 |
| 2009 |
0.5 |
0.117 |
| 2010 |
16.8 |
0.094 |
| 2011 |
41.0 |
0.081 |
| 2012 |
68.1 |
0.084 |
| 2013 |
89.0 |
0.103 |
| 2014 |
102.4 |
0.129 |
| 2015 |
111.0 |
0.160 |
| 2016 |
116.8 |
0.192 |
| 2017 |
120.9 |
0.224 |
| 2018 |
124.0 |
0.255 |
| 2019 |
126.4 |
0.286 |
| 2020 |
128.4 |
0.316 |
| 2021 |
130.0 |
0.346 |
| 2022 |
131.4 |
0.374 |
| 2023 |
132.5 |
0.401 |
| 2024 |
133.6 |
0.428 |
| 2025 |
134.5 |
0.453 |
| 2026 |
135.3 |
0.477 |
| 2027 |
136.0 |
0.501 |
| 2028 |
136.7 |
0.524 |
| 2029 |
137.3 |
0.545 |
| 2030 |
137.9 |
0.566 |
|
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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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