14139+2906 STF1816

 
 
14h 13m 54.63s +29 06' 19.5" P.A. 99 sep 0.37 mag 7.43,7.75 Sp F0+A2 dist. 113.38 pc (369.85 l.y.)
 
 
Coord 2000
14139+2906
Discov num
STF1816
Comp
Coord arcsec 2000
14 13 54.63 +29 06 19.5
Date first
1828
Date last
2011
Obs
222
Pa first
72
Pa last
96
P.A. Now (θ)
99°
Sep first
1.6
Sep last
0.4
Sep. Now (ρ)
0.37"
Mag pri
7.43
Mag sec
7.75
delta mag (ΔM)
0.32
Spectral class
F0+A2 (yellow-white/white)
Pri motion ra
+028
Sec motion ra
+028
Pri motion dec
-007
Sec motion dec
-007
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96
Precise sep
0.409
Constellation
Bootes
SAO
83235
HIP
69523
Tycho2
2013-00959-1
HD
124587
ADS
9174
BD
BD+29 2508
Distance
113.38
Distance ly
369.85
last precise pa
96
last precise sep
0.409
 
 
ORBITAL ELEMENTS
 
 
Period (P)1340y Periastron (T)2079y Semi-major axis (a)1.642a
Eccentricity (e)0.54 Inclination (i)81.7° Longitude of periastron (ω)125.3°
Node (Ω)80.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2011
label rho theta
2000 0.571 92.0
2001 0.560 92.3
2002 0.548 92.5
2003 0.537 92.8
2004 0.526 93.2
2005 0.514 93.5
2006 0.503 93.8
2007 0.491 94.2
2008 0.480 94.5
2009 0.468 94.9
2010 0.456 95.4
2011 0.445 95.8
2012 0.433 96.2
2013 0.421 96.7
2014 0.410 97.2
2015 0.398 97.8
2016 0.386 98.3
2017 0.374 99.0
2018 0.363 99.6
2019 0.351 100.3
2020 0.339 101.0
2021 0.327 101.8
2022 0.316 102.7
2023 0.304 103.6
2024 0.292 104.6
2025 0.281 105.7
2026 0.269 106.8
2027 0.258 108.1
2028 0.246 109.5
2029 0.235 111.0
2030 0.224 112.7

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

grafico orbita





wds14139%2B2906a.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
14139+2906 STF1816 2005 236 93 0.5 7.43 7.75 F0+A2 D 141354.63+290619.5
14139+2906 STF1816 2010 239 93 0.5 7.43 7.75 F0+A2 D 141354.63+290619.5
14139+2906 STF1816 2011 241 96 0.4 7.43 7.75 F0 A2 OD 141354.63+290619.5

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