14142+2642 STF1817

 
 
14h 14m 12.81s +26 41' 43.8" P.A. 330.3 sep 0.21 mag 8.98,8.77 Sp F8 dist. 123.46 pc (402.73 l.y.)
 
 
Coord 2000
14142+2642
Discov num
STF1817
Comp
Coord arcsec 2000
14 14 12.81 +26 41 43.8
Date first
1832
Date last
2010
Obs
73
Pa first
7
Pa last
336
P.A. Now (θ)
330.3°
Sep first
1.6
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
8.98
Mag sec
8.77
delta mag (ΔM)
0.21
Spectral class
F8 (yellow-white)
Pri motion ra
-031
Sec motion ra
-031
Pri motion dec
-014
Sec motion dec
-014
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.8
Precise sep
0.17
Constellation
Bootes
SAO
83239
HIP
69551
Tycho2
2010-00695-1
HD
124643
ADS
9177
BD
BD+27 2349
Distance
123.46
Distance ly
402.73
last precise pa
335.8
last precise sep
0.17
 
 
ORBITAL ELEMENTS
 
 
Period (P)832y Periastron (T)2085y Semi-major axis (a)1.115a
Eccentricity (e)0.55 Inclination (i)99.3° Longitude of periastron (ω)165.9°
Node (Ω)6.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2005
label rho theta
2000 0.374 346.5
2001 0.364 345.9
2002 0.354 345.4
2003 0.344 344.8
2004 0.334 344.1
2005 0.324 343.5
2006 0.314 342.7
2007 0.304 342.0
2008 0.294 341.2
2009 0.284 340.3
2010 0.274 339.4
2011 0.264 338.4
2012 0.254 337.3
2013 0.244 336.1
2014 0.234 334.8
2015 0.225 333.5
2016 0.215 332.0
2017 0.206 330.3
2018 0.196 328.5
2019 0.187 326.5
2020 0.178 324.4
2021 0.170 322.0
2022 0.161 319.3
2023 0.153 316.4
2024 0.146 313.1
2025 0.139 309.6
2026 0.132 305.6
2027 0.126 301.3
2028 0.121 296.5
2029 0.117 291.4
2030 0.114 285.9

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

grafico orbita





wds14142%2B2642a.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
14142+2642 STF1817 2005 72 346 0.3 8.98 8.77 F8 D 141412.81+264143.8
14142+2642 STF1817 2010 73 336 0.2 8.98 8.77 F8 O 141412.81+264143.8

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