04262+3544 HU 608 (HD 279822)
04h 26m 12.37s +35° 44' 21.9" P.A. 52.00 sep 0.6 mag 10.00,9.97 Sp K0 dist. 107.18 pc (349.62 l.y.)
| Coord 2000 |
04262+3544 |
|
Discov num |
HU 608 |
|
Comp |
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|
Coord arcsec 2000 |
04 26 12.37 +35 44 21.9 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
29 |
|
| Pa first |
174 |
|
Pa last |
51.5 |
|
P.A. Now (θ) |
51.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.61 |
|
Sep. Now (ρ) |
0.61" |
|
| Mag pri |
10.00 |
|
Mag sec |
9.97 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-034 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 279822 |
|
Constellation |
Perseus |
|
SAO |
57228 |
|
HIP |
20707 |
|
| Tycho2 |
2384-01164-1 |
|
Gaia DR2 |
176429529874983296 |
|
HD |
279822 |
|
ADS |
3209 |
|
| BD |
BD+35 867 |
|
Distance |
107.18 |
|
Distance ly |
349.62 |
|
ORBITAL ELEMENTS
| Period (P) | 459.08y | ± 978.17 |
Periastron (T) | 1888y | ± 120.62 |
Semi-major axis (a) | 0.617a | ± 0.239 |
| Eccentricity (e) | 0.35 | ± 0.028 |
Inclination (i) | 135.5° | ± 53.1 |
Longitude of periastron (ω) | 352.4° | ± 244 |
| Node (Ω) | 188.5° | ± 7.3 |
Notes | | |
Reference | Hrt2009 | |
| Equinox | | |
Last observation | 2007 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
61.7 |
0.534 |
| 2001 |
61.0 |
0.538 |
| 2002 |
60.4 |
0.542 |
| 2003 |
59.7 |
0.546 |
| 2004 |
59.0 |
0.550 |
| 2005 |
58.4 |
0.554 |
| 2006 |
57.7 |
0.558 |
| 2007 |
57.1 |
0.562 |
| 2008 |
56.5 |
0.565 |
| 2009 |
55.8 |
0.569 |
| 2010 |
55.2 |
0.573 |
| 2011 |
54.6 |
0.577 |
| 2012 |
54.0 |
0.581 |
| 2013 |
53.4 |
0.585 |
| 2014 |
52.9 |
0.589 |
| 2015 |
52.3 |
0.592 |
| 2016 |
51.7 |
0.596 |
| 2017 |
51.2 |
0.600 |
| 2018 |
50.6 |
0.604 |
| 2019 |
50.1 |
0.607 |
| 2020 |
49.5 |
0.611 |
| 2021 |
49.0 |
0.615 |
| 2022 |
48.5 |
0.619 |
| 2023 |
48.0 |
0.622 |
| 2024 |
47.5 |
0.626 |
| 2025 |
46.9 |
0.630 |
| 2026 |
46.4 |
0.633 |
| 2027 |
46.0 |
0.637 |
| 2028 |
45.5 |
0.640 |
| 2029 |
45.0 |
0.644 |
| 2030 |
44.5 |
0.648 |
|
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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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