22344+2623 COU 540 (HD 213919)
22h 34m 22.88s +26° 23' 09.4" P.A. 328.00 sep 0.3 mag 8.90,9.30 Sp F8
| Coord 2000 |
22344+2623 |
|
Discov num |
COU 540 |
|
Comp |
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Coord arcsec 2000 |
22 34 22.88 +26 23 09.4 |
|
| Date first |
1970 |
|
Date last |
2016 |
|
Obs |
23 |
|
| Pa first |
275 |
|
Pa last |
328 |
|
P.A. Now (θ) |
328° |
|
| Sep first |
0.3 |
|
Sep last |
0.34 |
|
Sep. Now (ρ) |
0.34" |
|
| Mag pri |
8.90 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+016 |
|
Sec motion ra |
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| Pri motion dec |
+014 |
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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 213919 |
|
Constellation |
Pegasus |
|
SAO |
90606 |
|
Tycho2 |
2227-01195-1 |
|
| Gaia DR2 |
1880887232571768064 |
|
HD |
213919 |
|
ORBITAL ELEMENTS
| Period (P) | 262.32y | |
Periastron (T) | 1926.16y | |
Semi-major axis (a) | 0.282a | |
| Eccentricity (e) | 0.285 | |
Inclination (i) | 0.9° | |
Longitude of periastron (ω) | 162.5° | |
| Node (Ω) | 13.5° | |
Notes | | |
Reference | Mnt2004a | |
| Equinox | 2000 | |
Last observation | 1996 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
306.0 |
0.317 |
| 2001 |
307.1 |
0.319 |
| 2002 |
308.1 |
0.320 |
| 2003 |
309.1 |
0.322 |
| 2004 |
310.1 |
0.323 |
| 2005 |
311.1 |
0.325 |
| 2006 |
312.1 |
0.326 |
| 2007 |
313.1 |
0.327 |
| 2008 |
314.0 |
0.329 |
| 2009 |
315.0 |
0.330 |
| 2010 |
316.0 |
0.331 |
| 2011 |
316.9 |
0.333 |
| 2012 |
317.9 |
0.334 |
| 2013 |
318.8 |
0.335 |
| 2014 |
319.7 |
0.336 |
| 2015 |
320.6 |
0.338 |
| 2016 |
321.6 |
0.339 |
| 2017 |
322.5 |
0.340 |
| 2018 |
323.4 |
0.341 |
| 2019 |
324.3 |
0.342 |
| 2020 |
325.2 |
0.343 |
| 2021 |
326.0 |
0.344 |
| 2022 |
326.9 |
0.345 |
| 2023 |
327.8 |
0.346 |
| 2024 |
328.7 |
0.347 |
| 2025 |
329.5 |
0.348 |
| 2026 |
330.4 |
0.349 |
| 2027 |
331.3 |
0.350 |
| 2028 |
332.1 |
0.350 |
| 2029 |
333.0 |
0.351 |
| 2030 |
333.8 |
0.352 |
|
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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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