14135+5147 STF 1821 AB (Kap2 Boo)
14h 13m 29.00s +51° 47' 23.8" P.A. 236.00 sep 13.8 mag 4.53,6.62 Sp A7V+F1V dist. 50.1 pc (163.43 l.y.)
| Coord 2000 |
14135+5147 |
|
Discov num |
STF1821 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 13 29.00 +51 47 23.8 |
|
| Date first |
1779 |
|
Date last |
2021 |
|
Obs |
215 |
|
| Pa first |
240 |
|
Pa last |
235.9 |
|
P.A. Now (θ) |
235.9° |
|
| Sep first |
12.5 |
|
Sep last |
13.75 |
|
Sep. Now (ρ) |
13.75" |
|
| Mag pri |
4.53 |
|
Mag sec |
6.62 |
|
delta mag (ΔM) |
2.09 |
|
Spectral class |
A7V+F1V (white/yellow-white) |
|
| Pri motion ra |
+060 |
|
Sec motion ra |
+065 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-004 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.132 (< 0.3, Physical double)
This double is physical.
14135+5147 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Kap2 Boo |
29046 |
14 13 29 +51 47 24 |
STF 1821 AB |
2021 |
215 |
236 |
13.8 |
4.53 |
6.62 |
2.09 |
Y |
<=== |
| Show |
|
29046 |
14 13 29 +51 47 24 |
TOK 295 AC |
2016 |
6 |
73 |
108.6 |
4.53 |
16.90 |
12.37 |
|
|
| Show |
|
29045 |
14 13 28 +51 47 16 |
TOK 295 BC |
2015 |
7 |
71 |
121.8 |
6.62 |
16.90 |
10.28 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Kap2 Boo |
|
Constellation |
Bootes |
|
SAO |
29046 |
|
HIP |
69483 |
|
| Tycho2 |
3471-01250-1 |
|
Gaia DR2 |
1511793067598402944 |
|
HD |
124675 |
|
HR |
5329 |
|
| GC |
19207 |
|
ADS |
9173 |
|
BD |
BD+52 1782 |
|
Bayer |
Kappa 2 Bootis |
|
| Bayer name |
Kap2 Boo |
|
Flamsteed |
17 Bootis |
|
Flamsteed name |
17 Boo |
|
Distance |
50.1 |
|
| Distance ly |
163.43 |
|
Bayer greek |
κ2 Boo |
|
ORBITAL ELEMENTS
| Period (P) | 10141.5547y | ± 5695.2993 |
Periastron (T) | 2902.0401y | ± 915.1133 |
Semi-major axis (a) | 30.24041a | ± 17.76635 |
| Eccentricity (e) | 0.68651 | ± 0.20234 |
Inclination (i) | 93.267° | ± 3.354 |
Longitude of periastron (ω) | 242.039° | ± 29.158 |
| Node (Ω) | 51.244° | ± 3.236 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
235.6 |
13.556 |
| 2001 |
235.6 |
13.561 |
| 2002 |
235.6 |
13.566 |
| 2003 |
235.6 |
13.571 |
| 2004 |
235.6 |
13.576 |
| 2005 |
235.6 |
13.581 |
| 2006 |
235.6 |
13.586 |
| 2007 |
235.6 |
13.590 |
| 2008 |
235.6 |
13.595 |
| 2009 |
235.6 |
13.600 |
| 2010 |
235.6 |
13.605 |
| 2011 |
235.6 |
13.610 |
| 2012 |
235.5 |
13.615 |
| 2013 |
235.5 |
13.619 |
| 2014 |
235.5 |
13.624 |
| 2015 |
235.5 |
13.629 |
| 2016 |
235.5 |
13.634 |
| 2017 |
235.5 |
13.638 |
| 2018 |
235.5 |
13.643 |
| 2019 |
235.5 |
13.648 |
| 2020 |
235.5 |
13.653 |
| 2021 |
235.5 |
13.657 |
| 2022 |
235.5 |
13.662 |
| 2023 |
235.5 |
13.667 |
| 2024 |
235.5 |
13.671 |
| 2025 |
235.5 |
13.676 |
| 2026 |
235.4 |
13.681 |
| 2027 |
235.4 |
13.685 |
| 2028 |
235.4 |
13.690 |
| 2029 |
235.4 |
13.694 |
| 2030 |
235.4 |
13.699 |
|
|
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
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
| Identifier | 14135+5147 STF1821 A |
| coord_arcsec_2000 | 141329.00+514723.8 |
| Period (P) | 20y | ± 2 |
Periastron (T) | 1994.9y | ± 1.5 |
Semi-major axis (a) | 0.0351a | ± 0.0018 |
| Eccentricity (e) | 0.5 | ± 0.2 |
Inclination (i) | 56° | ± 4 |
Longitude of periastron (ω) | 15° | ± 32 |
| Node (Ω) | 186° | ± 16 |
Notes | | |
Reference | Kiy2017b | |
| Equinox | | |
Last observation | 2012 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
352.2 |
0.041 |
| 2001 |
357.9 |
0.046 |
| 2002 |
2.7 |
0.049 |
| 2003 |
6.9 |
0.051 |
| 2004 |
10.9 |
0.052 |
| 2005 |
14.9 |
0.051 |
| 2006 |
19.1 |
0.049 |
| 2007 |
23.8 |
0.046 |
| 2008 |
29.3 |
0.042 |
| 2009 |
36.1 |
0.037 |
| 2010 |
45.5 |
0.031 |
| 2011 |
60.0 |
0.024 |
| 2012 |
84.7 |
0.018 |
| 2013 |
124.0 |
0.016 |
| 2014 |
163.7 |
0.017 |
| 2015 |
198.3 |
0.017 |
| 2016 |
250.8 |
0.013 |
| 2017 |
307.5 |
0.017 |
| 2018 |
332.3 |
0.026 |
| 2019 |
344.4 |
0.034 |
| 2020 |
352.2 |
0.041 |
| 2021 |
357.9 |
0.046 |
| 2022 |
2.7 |
0.049 |
| 2023 |
6.9 |
0.051 |
| 2024 |
10.9 |
0.052 |
| 2025 |
14.9 |
0.051 |
| 2026 |
19.1 |
0.049 |
| 2027 |
23.8 |
0.046 |
| 2028 |
29.3 |
0.042 |
| 2029 |
36.1 |
0.037 |
| 2030 |
45.5 |
0.031 |
|
|
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
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
| Identifier | 14135+5147 STF1821 B |
| coord_arcsec_2000 | 141329.00+514723.8 |
| Period (P) | 4.904y | |
Periastron (T) | 2006.05y | |
Semi-major axis (a) | 0.0215a | ± 0.0043 |
| Eccentricity (e) | 0.53 | |
Inclination (i) | 77° | ± 6 |
Longitude of periastron (ω) | 49° | ± 15 |
| Node (Ω) | 7° | ± 12 |
Notes | n | |
Reference | Kiy2017b | |
| Equinox | | |
Last observation | 2012 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
276.2 |
0.006 |
| 2001 |
9.3 |
0.011 |
| 2002 |
185.5 |
0.022 |
| 2003 |
195.2 |
0.027 |
| 2004 |
208.2 |
0.017 |
| 2005 |
294.9 |
0.006 |
| 2006 |
16.0 |
0.008 |
| 2007 |
186.7 |
0.023 |
| 2008 |
196.1 |
0.026 |
| 2009 |
210.4 |
0.016 |
| 2010 |
311.9 |
0.006 |
| 2011 |
29.8 |
0.005 |
| 2012 |
187.8 |
0.025 |
| 2013 |
197.0 |
0.026 |
| 2014 |
213.0 |
0.015 |
| 2015 |
325.4 |
0.007 |
| 2016 |
83.9 |
0.003 |
| 2017 |
188.8 |
0.026 |
| 2018 |
197.9 |
0.025 |
| 2019 |
216.2 |
0.013 |
| 2020 |
335.6 |
0.008 |
| 2021 |
152.3 |
0.005 |
| 2022 |
189.7 |
0.026 |
| 2023 |
199.0 |
0.024 |
| 2024 |
220.2 |
0.012 |
| 2025 |
343.3 |
0.010 |
| 2026 |
169.0 |
0.008 |
| 2027 |
190.6 |
0.027 |
| 2028 |
200.1 |
0.023 |
| 2029 |
225.3 |
0.010 |
| 2030 |
349.3 |
0.011 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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