22268-4537 HU 1334 (HD 212648)
22h 26m 49.02s -45° 37' 08.3" P.A. 249.00 sep 0.3 mag 9.19,9.34 Sp F5IV/V dist. 151.98 pc (495.76 l.y.)
| Coord 2000 |
22268-4537 |
|
Discov num |
HU 1334 |
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Comp |
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Coord arcsec 2000 |
22 26 49.02 -45 37 08.3 |
|
| Date first |
1903 |
|
Date last |
2008 |
|
Obs |
26 |
|
| Pa first |
135 |
|
Pa last |
248.7 |
|
P.A. Now (θ) |
248.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.33 |
|
Sep. Now (ρ) |
0.33" |
|
| Mag pri |
9.19 |
|
Mag sec |
9.34 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
F5IV/V (yellow-white) |
|
| Pri motion ra |
+045 |
|
Sec motion ra |
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| Pri motion dec |
-022 |
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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 212648 |
|
Constellation |
Grus |
|
SAO |
231141 |
|
HIP |
110795 |
|
| Tycho2 |
8439-00163-1 |
|
HD |
212648 |
|
CD |
CD-4614317 |
|
CP |
CP-4610406 |
|
| Distance |
151.98 |
|
Distance ly |
495.76 |
|
ORBITAL ELEMENTS
| Period (P) | 405.2y | |
Periastron (T) | 1976y | |
Semi-major axis (a) | 0.551a | |
| Eccentricity (e) | 0.643 | |
Inclination (i) | 149° | |
Longitude of periastron (ω) | 349° | |
| Node (Ω) | 342.3° | |
Notes | | |
Reference | Hrt2013c | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
266.2 |
0.276 |
| 2001 |
264.0 |
0.282 |
| 2002 |
261.8 |
0.287 |
| 2003 |
259.7 |
0.293 |
| 2004 |
257.6 |
0.299 |
| 2005 |
255.7 |
0.305 |
| 2006 |
253.8 |
0.311 |
| 2007 |
252.0 |
0.317 |
| 2008 |
250.3 |
0.323 |
| 2009 |
248.6 |
0.329 |
| 2010 |
247.0 |
0.335 |
| 2011 |
245.5 |
0.341 |
| 2012 |
244.0 |
0.347 |
| 2013 |
242.5 |
0.354 |
| 2014 |
241.1 |
0.360 |
| 2015 |
239.8 |
0.366 |
| 2016 |
238.5 |
0.372 |
| 2017 |
237.2 |
0.378 |
| 2018 |
236.0 |
0.385 |
| 2019 |
234.8 |
0.391 |
| 2020 |
233.7 |
0.397 |
| 2021 |
232.6 |
0.403 |
| 2022 |
231.5 |
0.409 |
| 2023 |
230.5 |
0.416 |
| 2024 |
229.5 |
0.422 |
| 2025 |
228.5 |
0.428 |
| 2026 |
227.5 |
0.434 |
| 2027 |
226.6 |
0.440 |
| 2028 |
225.7 |
0.446 |
| 2029 |
224.8 |
0.452 |
| 2030 |
224.0 |
0.458 |
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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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