14514+1906 STF1888AB (Xi Boo)

 
 
14h 51m 23.38s +19 06' 01.7" P.A. 299.2 sep 5.39 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
2017
Obs
1441
Pa first
24
Pa last
300
P.A. Now (θ)
299.2°
Sep first
3.4
Sep last
5.6
Sep. Now (ρ)
5.39"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Xi Boo 101250 14514+1906 STF1888 AB 1780 2017 1441 299 5.4 4.76 6.95 2.19 Y <===
Show 101250 14514+1906 STF1888 AC 1830 2015 14 342 69.9 4.76 13.83 9.07
Show 101250 14514+1906 STF1888 AD 1830 2015 14 286 158.6 4.76 11.73 6.97
Show 101250 14514+1906 ARN 11 AE 1898 2015 15 98 271.5 4.76 8.65 3.89
Show 101250 14514+1906 ARN 12 AF 1897 2015 12 37 337.5 4.76 9.20 4.44
Show 101250 14514+1906 STF1888 BC 1892 2001 8 340 63.9 6.95 13.83 6.88
Show 101250 14514+1906 STF1888 BE 1897 2009 13 102 273.5 6.95 8.65 1.70
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.1
Precise sep
5.585
Name
Xi Boo
Cdsa2 id
STF 1888 AB
Constellation
Bootes
SAO
101250
HIP
72659
Tycho2
1481-00722-1
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
Ra deg
14.856494444444444
De deg
19.100472222222223
Distance
6.71
Distance ly
21.89
last precise pa
300.1
last precise sep
5.585
 
 
ORBITAL ELEMENTS
 
 
Period (P)151.6y Periastron (T)1909.3y Semi-major axis (a)4.94a
Eccentricity (e)0.51 Inclination (i)139° Longitude of periastron (ω)203°
Node (Ω)347° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 6.670 317.7
2001 6.616 316.9
2002 6.559 316.0
2003 6.501 315.1
2004 6.440 314.2
2005 6.377 313.3
2006 6.313 312.4
2007 6.246 311.4
2008 6.177 310.4
2009 6.106 309.4
2010 6.034 308.4
2011 5.959 307.4
2012 5.882 306.3
2013 5.804 305.2
2014 5.724 304.1
2015 5.642 302.9
2016 5.559 301.7
2017 5.474 300.5
2018 5.387 299.2
2019 5.299 297.9
2020 5.209 296.5
2021 5.118 295.1
2022 5.026 293.6
2023 4.933 292.1
2024 4.839 290.5
2025 4.744 288.9
2026 4.648 287.2
2027 4.551 285.4
2028 4.454 283.6
2029 4.357 281.6
2030 4.260 279.6

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds14514%2B1906b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14514+1906 STF1888 AB 2007 1361 311 6.3 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2008 1366 309 6.2 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2009 1368 310 6.4 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2010 1386 310 5.9 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2011 1401 308 6.0 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2012 1402 306 5.7 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2013 1414 306 5.7 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2014 1419 304 5.6 4.76 6.95 G8V K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2015 1422 302 5.6 4.76 6.95 G8V+K5V NOD 145123.28+190602.3
14514+1906 STF1888 AB 2016 1439 302 5.5 4.76 6.95 G8V+K5V NO 145123.38+190601.7
14514+1906 STF1888 AB 2017 1441 300 5.6 4.76 6.95 G8V+K5V NO 145123.38+190601.7

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