14514+1906 STF1888AB (Xi Boo)

 
 
14h 51m 23.38s +19 06' 01.7" P.A. 295.70 sep 5.3 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
2020
Obs
1462
Pa first
24
Pa last
297
P.A. Now (θ)
295.7°
Sep first
3.4
Sep last
5.2
Sep. Now (ρ)
5.26"
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 2020 1462 296 5.3 4.76 6.95 2.19 Y <===
Show 101250 14514+1906 STF1888 AC 1830 2015 25 340 71.3 4.76 13.83 9.07
Show 101250 14514+1906 STF1888 AD 1830 2015 24 286 160.8 4.76 11.73 6.97
Show 101250 14514+1906 ARN 11 AE 1960 2015 14 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 7 340 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
296.6
Precise sep
5.23
Name
Xi Boo
Constellation
Bootes
SAO
101250
HIP
72659
Tycho2
1481-00722-1
Gaia DR2
38916392704
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
last precise pa
296.6
last precise sep
5.23
 
 
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 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 6.707 317.8
2001 6.657 316.9
2002 6.605 316.1
2003 6.551 315.2
2004 6.494 314.3
2005 6.436 313.4
2006 6.376 312.5
2007 6.314 311.5
2008 6.249 310.6
2009 6.184 309.6
2010 6.116 308.6
2011 6.046 307.6
2012 5.975 306.5
2013 5.902 305.4
2014 5.827 304.3
2015 5.750 303.2
2016 5.672 302.0
2017 5.593 300.8
2018 5.512 299.6
2019 5.429 298.4
2020 5.345 297.0
2021 5.260 295.7
2022 5.173 294.3
2023 5.085 292.9
2024 4.996 291.4
2025 4.907 289.8
2026 4.816 288.2
2027 4.724 286.6
2028 4.632 284.8
2029 4.540 283.0
2030 4.447 281.1

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






wds14514%2B1906h.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
14514+1906 STF1888 AB 2018 1447 300 5.3 4.76 6.95 G8V+K5V NO 145123.38+190601.7
14514+1906 STF1888 AB 2019 1454 298 5.2 4.76 6.95 G8V+K5V NO 145123.38+190601.7

If you need more information about this double, apply for a data request form to the WDS.