23378+6601 HU 1324
23h 37m 47.70s +66° 00' 32.3" P.A. 358.00 sep 0.4 mag 10.31,10.96 Sp G0 dist. 143.47 pc (468 l.y.)
| Coord 2000 |
23378+6601 |
|
Discov num |
HU 1324 |
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Comp |
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Coord arcsec 2000 |
23 37 47.70 +66 00 32.3 |
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| Date first |
1906 |
|
Date last |
2008 |
|
Obs |
23 |
|
| Pa first |
231 |
|
Pa last |
358.2 |
|
P.A. Now (θ) |
358.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.352 |
|
Sep. Now (ρ) |
0.352" |
|
| Mag pri |
10.31 |
|
Mag sec |
10.96 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+009 |
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Sec motion ra |
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|
| Pri motion dec |
-009 |
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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
| Constellation |
Cepheus |
|
HIP |
116598 |
|
Tycho2 |
4292-00186-1 |
|
Gaia DR2 |
2209507068859967232 |
|
| ADS |
16880 |
|
BD |
BD+65 1920 |
|
Distance |
143.47 |
|
Distance ly |
468 |
|
ORBITAL ELEMENTS
| Period (P) | 258.75y | |
Periastron (T) | 2133.17y | |
Semi-major axis (a) | 0.354a | |
| Eccentricity (e) | 0.27 | |
Inclination (i) | 46.7° | |
Longitude of periastron (ω) | 298.5° | |
| Node (Ω) | 45.9° | |
Notes | | |
Reference | Doc2017i | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
170.5 |
0.338 |
| 2001 |
171.5 |
0.340 |
| 2002 |
172.5 |
0.342 |
| 2003 |
173.5 |
0.344 |
| 2004 |
174.5 |
0.346 |
| 2005 |
175.4 |
0.348 |
| 2006 |
176.4 |
0.350 |
| 2007 |
177.3 |
0.352 |
| 2008 |
178.2 |
0.353 |
| 2009 |
179.1 |
0.355 |
| 2010 |
180.1 |
0.357 |
| 2011 |
181.0 |
0.359 |
| 2012 |
181.8 |
0.361 |
| 2013 |
182.7 |
0.363 |
| 2014 |
183.6 |
0.364 |
| 2015 |
184.5 |
0.366 |
| 2016 |
185.3 |
0.368 |
| 2017 |
186.2 |
0.370 |
| 2018 |
187.0 |
0.371 |
| 2019 |
187.8 |
0.373 |
| 2020 |
188.7 |
0.374 |
| 2021 |
189.5 |
0.376 |
| 2022 |
190.3 |
0.378 |
| 2023 |
191.1 |
0.379 |
| 2024 |
191.9 |
0.380 |
| 2025 |
192.7 |
0.382 |
| 2026 |
193.5 |
0.383 |
| 2027 |
194.2 |
0.385 |
| 2028 |
195.0 |
0.386 |
| 2029 |
195.8 |
0.387 |
| 2030 |
196.6 |
0.388 |
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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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