14514+1906 STF 1888 AB (Xi Boo)
14h 51m 23.38s +19° 06' 01.7" P.A. 296.00 sep 5.0 mag 4.76,6.95 Sp G8V+K5V dist. 6.71 pc (21.89 l.y.)
| Coord 2000 |
14514+1906 |
|
Discov num |
STF1888 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 51 23.38 +19 06 01.7 |
|
| Date first |
1780 |
|
Date last |
2021 |
|
Obs |
1468 |
|
| Pa first |
24 |
|
Pa last |
296 |
|
P.A. Now (θ) |
292.9° |
|
| Sep first |
3.4 |
|
Sep last |
5.01 |
|
Sep. Now (ρ) |
5.085" |
|
| Mag pri |
4.76 |
|
Mag sec |
6.95 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
G8V+K5V (yellow/yellow-orange) |
|
| Pri motion ra |
+153 |
|
Sec motion ra |
+090 |
|
| Pri motion dec |
-072 |
|
Sec motion dec |
-147 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.568
This double is physical.
14514+1906 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Xi Boo |
101250 |
14 51 23 +19 06 02 |
STF 1888 AB |
2021 |
1468 |
296 |
5.0 |
4.76 |
6.95 |
2.19 |
Y |
<=== |
| Show |
|
101250 |
14 51 23 +19 06 02 |
STF 1888 AC |
2015 |
25 |
340 |
71.3 |
4.76 |
13.83 |
9.07 |
|
|
| Show |
|
101250 |
14 51 23 +19 06 02 |
STF 1888 AD |
2015 |
24 |
286 |
160.8 |
4.76 |
11.73 |
6.97 |
|
|
| Show |
|
101250 |
14 51 23 +19 06 02 |
ARN 11 AE |
2015 |
14 |
98 |
271.5 |
4.76 |
8.65 |
3.89 |
|
|
| Show |
|
101250 |
14 51 23 +19 06 02 |
ARN 12 AF |
2020 |
14 |
39 |
335.4 |
4.76 |
9.20 |
4.44 |
|
|
| Show |
|
|
14 51 23 +19 06 07 |
STF 1888 BC |
2016 |
9 |
343 |
67.0 |
6.95 |
13.83 |
6.88 |
|
|
| Show |
|
|
14 51 23 +19 06 07 |
STF 1888 BE |
2016 |
15 |
99 |
273.1 |
6.95 |
8.65 |
1.70 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Xi Boo |
|
Constellation |
Bootes |
|
SAO |
101250 |
|
HIP |
72659 |
|
| Tycho2 |
1481-00722-1 |
|
Gaia DR2 |
1237090738916392704 |
|
HD |
131156 |
|
HR |
5544 |
|
| GC |
19991 |
|
ADS |
9413 |
|
GL |
Gl 566A |
|
BD |
BD+19 2870 |
|
| Bayer |
Xi Bootis |
|
Bayer name |
Xi Boo |
|
Flamsteed |
37 Bootis |
|
Flamsteed name |
37 Boo |
|
| Distance |
6.71 |
|
Distance ly |
21.89 |
|
Bayer greek |
ξ Boo |
|
ORBITAL ELEMENTS
| Period (P) | 152.9614y | ± 0.1204 |
Periastron (T) | 1909.6213y | ± 0.0655 |
Semi-major axis (a) | 4.93454a | ± 0.00463 |
| Eccentricity (e) | 0.51385 | ± 0.00079 |
Inclination (i) | 140.453° | ± 0.103 |
Longitude of periastron (ω) | 25.492° | ± 0.518 |
| Node (Ω) | 168.795° | ± 0.329 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
317.8 |
6.707 |
| 2001 |
316.9 |
6.657 |
| 2002 |
316.1 |
6.605 |
| 2003 |
315.2 |
6.551 |
| 2004 |
314.3 |
6.494 |
| 2005 |
313.4 |
6.436 |
| 2006 |
312.5 |
6.376 |
| 2007 |
311.5 |
6.314 |
| 2008 |
310.6 |
6.249 |
| 2009 |
309.6 |
6.184 |
| 2010 |
308.6 |
6.116 |
| 2011 |
307.6 |
6.046 |
| 2012 |
306.5 |
5.975 |
| 2013 |
305.4 |
5.902 |
| 2014 |
304.3 |
5.827 |
| 2015 |
303.2 |
5.750 |
| 2016 |
302.0 |
5.672 |
| 2017 |
300.8 |
5.593 |
| 2018 |
299.6 |
5.512 |
| 2019 |
298.4 |
5.429 |
| 2020 |
297.0 |
5.345 |
| 2021 |
295.7 |
5.260 |
| 2022 |
294.3 |
5.173 |
| 2023 |
292.9 |
5.085 |
| 2024 |
291.4 |
4.996 |
| 2025 |
289.8 |
4.907 |
| 2026 |
288.2 |
4.816 |
| 2027 |
286.6 |
4.724 |
| 2028 |
284.8 |
4.632 |
| 2029 |
283.0 |
4.540 |
| 2030 |
281.1 |
4.447 |
|
|
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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