23568+0444 A 2100 (HD 224315)
23h 56m 47.29s +04° 43' 30.4" P.A. 252.00 sep 0.4 mag 7.40,7.90 Sp F0 dist. 111.98 pc (365.28 l.y.)
| Coord 2000 |
23568+0444 |
|
Discov num |
A 2100 |
|
Comp |
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|
Coord arcsec 2000 |
23 56 47.29 +04 43 30.4 |
|
| Date first |
1909 |
|
Date last |
2020 |
|
Obs |
103 |
|
| Pa first |
289 |
|
Pa last |
252.4 |
|
P.A. Now (θ) |
249.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.43 |
|
Sep. Now (ρ) |
0.436" |
|
| Mag pri |
7.40 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
F0 (yellow-white) |
|
| Pri motion ra |
+049 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 224315 |
|
Constellation |
Pisces |
|
SAO |
128487 |
|
HIP |
118054 |
|
| Tycho2 |
0590-01071-1 |
|
Gaia DR2 |
2743477297386692224 |
|
HD |
224315 |
|
GC |
33209 |
|
| ADS |
17111 |
|
BD |
BD+03 4909 |
|
Distance |
111.98 |
|
Distance ly |
365.28 |
|
ORBITAL ELEMENTS
| Period (P) | 89.33y | ± 0.93 |
Periastron (T) | 1990.75y | ± 0.052 |
Semi-major axis (a) | 0.27a | ± 0.001 |
| Eccentricity (e) | 0.761 | ± 0.003 |
Inclination (i) | 159° | ± 2 |
Longitude of periastron (ω) | 54.9° | ± 4 |
| Node (Ω) | 111.5° | ± 3.7 |
Notes | n | |
Reference | Msn2021c | |
| Equinox | | |
Last observation | 2019 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
284.3 |
0.235 |
| 2001 |
281.3 |
0.251 |
| 2002 |
278.6 |
0.265 |
| 2003 |
276.2 |
0.279 |
| 2004 |
274.0 |
0.292 |
| 2005 |
272.0 |
0.304 |
| 2006 |
270.2 |
0.316 |
| 2007 |
268.5 |
0.327 |
| 2008 |
266.9 |
0.337 |
| 2009 |
265.3 |
0.347 |
| 2010 |
263.9 |
0.356 |
| 2011 |
262.5 |
0.365 |
| 2012 |
261.2 |
0.373 |
| 2013 |
260.0 |
0.381 |
| 2014 |
258.8 |
0.388 |
| 2015 |
257.6 |
0.395 |
| 2016 |
256.5 |
0.402 |
| 2017 |
255.4 |
0.408 |
| 2018 |
254.3 |
0.413 |
| 2019 |
253.3 |
0.418 |
| 2020 |
252.3 |
0.423 |
| 2021 |
251.3 |
0.428 |
| 2022 |
250.4 |
0.432 |
| 2023 |
249.4 |
0.436 |
| 2024 |
248.5 |
0.439 |
| 2025 |
247.6 |
0.442 |
| 2026 |
246.7 |
0.445 |
| 2027 |
245.8 |
0.447 |
| 2028 |
244.9 |
0.449 |
| 2029 |
244.0 |
0.451 |
| 2030 |
243.1 |
0.452 |
|
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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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