13540+3249 STF 1789 (HD 121298)
13h 54m 05.19s +32° 49' 35.2" P.A. 328.00 sep 6.7 mag 8.63,8.97 Sp F8 dist. 175.75 pc (573.3 l.y.)
| Coord 2000 |
13540+3249 |
|
Discov num |
STF1789 |
|
Comp |
|
|
Coord arcsec 2000 |
13 54 05.19 +32 49 35.2 |
|
| Date first |
1823 |
|
Date last |
2021 |
|
Obs |
68 |
|
| Pa first |
329 |
|
Pa last |
327.5 |
|
P.A. Now (θ) |
327.5° |
|
| Sep first |
7.8 |
|
Sep last |
6.687 |
|
Sep. Now (ρ) |
6.687" |
|
| Mag pri |
8.63 |
|
Mag sec |
8.97 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+115 |
|
Sec motion ra |
+108 |
|
| Pri motion dec |
+042 |
|
Sec motion dec |
+040 |
|
| Notes |
O
(Orbital solution) |
|
rPM=0.059 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 121298 |
|
Constellation |
Canes Venatici |
|
SAO |
63816 |
|
HIP |
63871 |
|
| Tycho2 |
2547-01090-1 |
|
Gaia DR2 |
1457844086474813184 |
|
HD |
121298 |
|
GC |
18792 |
|
| ADS |
9048 |
|
BD |
BD+33 2384 |
|
Distance |
175.75 |
|
Distance ly |
573.3 |
|
ORBITAL ELEMENTS SOLUTION #1
| Period (P) | 2449y | ± 117 |
Periastron (T) | 1311y | ± 72 |
Semi-major axis (a) | 3.6a | ± 0.1 |
| Eccentricity (e) | 0.93 | ± 0.05 |
Inclination (i) | 30° | ± 28 |
Longitude of periastron (ω) | 5° | ± 26 |
| Node (Ω) | 148° | ± 24 |
Notes | | |
Reference | Kiy2020 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
325.0 |
6.060 |
| 2001 |
325.0 |
6.064 |
| 2002 |
325.0 |
6.067 |
| 2003 |
325.0 |
6.071 |
| 2004 |
325.0 |
6.074 |
| 2005 |
325.1 |
6.078 |
| 2006 |
325.1 |
6.081 |
| 2007 |
325.1 |
6.085 |
| 2008 |
325.1 |
6.088 |
| 2009 |
325.1 |
6.091 |
| 2010 |
325.1 |
6.095 |
| 2011 |
325.1 |
6.098 |
| 2012 |
325.2 |
6.102 |
| 2013 |
325.2 |
6.105 |
| 2014 |
325.2 |
6.108 |
| 2015 |
325.2 |
6.112 |
| 2016 |
325.2 |
6.115 |
| 2017 |
325.2 |
6.119 |
| 2018 |
325.3 |
6.122 |
| 2019 |
325.3 |
6.125 |
| 2020 |
325.3 |
6.129 |
| 2021 |
325.3 |
6.132 |
| 2022 |
325.3 |
6.135 |
| 2023 |
325.3 |
6.138 |
| 2024 |
325.4 |
6.142 |
| 2025 |
325.4 |
6.145 |
| 2026 |
325.4 |
6.148 |
| 2027 |
325.4 |
6.152 |
| 2028 |
325.4 |
6.155 |
| 2029 |
325.4 |
6.158 |
| 2030 |
325.5 |
6.161 |
|
|
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 |
|
ORBITAL ELEMENTS SOLUTION #2
| Period (P) | 3026y | ± 189 |
Periastron (T) | 1000y | ± 101 |
Semi-major axis (a) | 3.8a | ± 0.2 |
| Eccentricity (e) | 0.91 | ± 0.07 |
Inclination (i) | 30° | ± 28 |
Longitude of periastron (ω) | 7° | ± 18 |
| Node (Ω) | 148° | ± 23 |
Notes | | |
Reference | Kiy2020 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
327.7 |
6.707 |
| 2001 |
327.7 |
6.709 |
| 2002 |
327.8 |
6.711 |
| 2003 |
327.8 |
6.713 |
| 2004 |
327.8 |
6.716 |
| 2005 |
327.8 |
6.718 |
| 2006 |
327.8 |
6.720 |
| 2007 |
327.8 |
6.722 |
| 2008 |
327.8 |
6.724 |
| 2009 |
327.9 |
6.727 |
| 2010 |
327.9 |
6.729 |
| 2011 |
327.9 |
6.731 |
| 2012 |
327.9 |
6.733 |
| 2013 |
327.9 |
6.735 |
| 2014 |
327.9 |
6.737 |
| 2015 |
327.9 |
6.739 |
| 2016 |
328.0 |
6.742 |
| 2017 |
328.0 |
6.744 |
| 2018 |
328.0 |
6.746 |
| 2019 |
328.0 |
6.748 |
| 2020 |
328.0 |
6.750 |
| 2021 |
328.0 |
6.752 |
| 2022 |
328.0 |
6.754 |
| 2023 |
328.0 |
6.756 |
| 2024 |
328.1 |
6.758 |
| 2025 |
328.1 |
6.761 |
| 2026 |
328.1 |
6.763 |
| 2027 |
328.1 |
6.765 |
| 2028 |
328.1 |
6.767 |
| 2029 |
328.1 |
6.769 |
| 2030 |
328.1 |
6.771 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
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|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
