14131+5520 STF 1820 (HD 124640)
14h 13m 00.76s +55° 19' 31.1" P.A. 123.00 sep 2.8 mag 9.06,9.42 Sp K2 dist. 38.26 pc (124.8 l.y.)
| Coord 2000 |
14131+5520 |
|
Discov num |
STF1820 |
|
Comp |
|
|
Coord arcsec 2000 |
14 13 00.76 +55 19 31.1 |
|
| Date first |
1831 |
|
Date last |
2019 |
|
Obs |
224 |
|
| Pa first |
47 |
|
Pa last |
122.8 |
|
P.A. Now (θ) |
122.8° |
|
| Sep first |
2.4 |
|
Sep last |
2.791 |
|
Sep. Now (ρ) |
2.791" |
|
| Mag pri |
9.06 |
|
Mag sec |
9.42 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
-342 |
|
Sec motion ra |
-350 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-018 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.051 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 124640 |
|
Constellation |
Ursa Major |
|
SAO |
29044 |
|
HIP |
69442 |
|
| Tycho2 |
3855-01182-1 |
|
Gaia DR2 |
1609585452838737664 |
|
HD |
124640 |
|
GC |
19196 |
|
| ADS |
9167 |
|
BD |
BD+56 1718 |
|
Distance |
38.26 |
|
Distance ly |
124.8 |
|
ORBITAL ELEMENTS
| Period (P) | 2202.524y | ± 869.5173 |
Periastron (T) | 1721.8241y | ± 172.774 |
Semi-major axis (a) | 12.27689a | ± 6.31884 |
| Eccentricity (e) | 0.87314 | ± 0.12419 |
Inclination (i) | 78.797° | ± 6.06 |
Longitude of periastron (ω) | 298.951° | ± 35.969 |
| Node (Ω) | 16.072° | ± 19.894 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
117.5 |
2.627 |
| 2001 |
117.9 |
2.636 |
| 2002 |
118.2 |
2.645 |
| 2003 |
118.5 |
2.653 |
| 2004 |
118.9 |
2.662 |
| 2005 |
119.2 |
2.671 |
| 2006 |
119.5 |
2.680 |
| 2007 |
119.8 |
2.689 |
| 2008 |
120.2 |
2.698 |
| 2009 |
120.5 |
2.708 |
| 2010 |
120.8 |
2.717 |
| 2011 |
121.1 |
2.726 |
| 2012 |
121.4 |
2.736 |
| 2013 |
121.7 |
2.745 |
| 2014 |
122.0 |
2.755 |
| 2015 |
122.3 |
2.764 |
| 2016 |
122.6 |
2.774 |
| 2017 |
123.0 |
2.783 |
| 2018 |
123.3 |
2.793 |
| 2019 |
123.5 |
2.803 |
| 2020 |
123.8 |
2.813 |
| 2021 |
124.1 |
2.823 |
| 2022 |
124.4 |
2.833 |
| 2023 |
124.7 |
2.843 |
| 2024 |
125.0 |
2.853 |
| 2025 |
125.3 |
2.863 |
| 2026 |
125.6 |
2.874 |
| 2027 |
125.9 |
2.884 |
| 2028 |
126.1 |
2.894 |
| 2029 |
126.4 |
2.905 |
| 2030 |
126.7 |
2.915 |
|
|
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 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 14131+5520 STF1820 A |
| coord_arcsec_2000 | 141300.76+551931.1 |
| Period (P) | 1047.8d (2.87y) | |
Periastron (T) | 49490.3d (1994.376y) | |
Semi-major axis (a) | 6m | ± 1.2 |
| Eccentricity (e) | 0.754 | |
Inclination (i) | 88.8° | ± 7.1 |
Longitude of periastron (ω) | 25.1° | |
| Node (Ω) | 224.9° | ± 4.5 |
Notes | n | |
Reference | Ren2013 | |
| Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
221.6 |
0.001 |
| 2001-01-01 |
45.1 |
0.009 |
| 2002-01-01 |
45.8 |
0.008 |
| 2003-01-01 |
226.3 |
0.001 |
| 2004-01-01 |
45.2 |
0.010 |
| 2005-01-01 |
46.0 |
0.007 |
| 2006-01-01 |
43.6 |
0.002 |
| 2007-01-01 |
45.3 |
0.010 |
| 2008-01-01 |
46.2 |
0.006 |
| 2009-01-01 |
44.3 |
0.005 |
| 2010-01-01 |
45.4 |
0.010 |
| 2011-01-01 |
46.5 |
0.005 |
| 2012-01-01 |
44.6 |
0.006 |
| 2013-01-01 |
45.4 |
0.010 |
| 2014-01-01 |
47.0 |
0.003 |
| 2015-01-01 |
44.8 |
0.007 |
| 2016-01-01 |
45.5 |
0.009 |
| 2017-01-01 |
48.3 |
0.002 |
| 2018-01-01 |
44.9 |
0.008 |
| 2019-01-01 |
45.6 |
0.009 |
| 2020-01-01 |
76.0 |
|
| 2021-01-01 |
45.0 |
0.009 |
| 2022-01-01 |
45.8 |
0.008 |
| 2023-01-01 |
223.7 |
0.001 |
| 2024-01-01 |
45.1 |
0.009 |
| 2025-01-01 |
45.9 |
0.007 |
| 2026-01-01 |
34.6 |
|
| 2027-01-01 |
45.2 |
0.010 |
| 2028-01-01 |
46.1 |
0.007 |
| 2029-01-01 |
44.0 |
0.003 |
| 2030-01-01 |
45.3 |
0.010 |
|
|
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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