14037+0829 BU 1270

 
 
14H 03M 43.26S +08 29' 13.3" P.A. 14.9 SEP 0.21 MAG 8.15,8.78 SP F5 DIST. 78.19 PC (255.06 L.Y.)
 
 
Coord 2000
14037+0829
Discov num
BU 1270
Comp
Coord arcsec 2000
14 03 43.26 +08 29 13.3
Date first
1892
Date last
2015
Obs
131
Pa first
330
Pa last
0
P.A. Now (θ)
14.9°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
8.15
Mag sec
8.78
delta mag (ΔM)
0.63
Spectral class
F5 (yellow-white)
Pri motion ra
+034
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
HIP
68697
Tycho2
0901-00705-1
HD
122769
ADS
9094
BD
BD+09 2842
Distance
78.19
Distance ly
255.06
last precise pa
0.1
last precise sep
0.227
 
 
ORBITAL ELEMENTS
 
 
Period (P)38.74y Periastron (T)1989.96y Semi-major axis (a)0.195a
Eccentricity (e)0.435 Inclination (i)26.6° Longitude of periastron (ω)40.3°
Node (Ω)116.6° Note Grade1(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.232 294.2
2001 0.242 299.3
2002 0.250 304.0
2003 0.257 308.4
2004 0.262 312.6
2005 0.266 316.7
2006 0.268 320.7
2007 0.270 324.6
2008 0.270 328.5
2009 0.268 332.5
2010 0.266 336.4
2011 0.263 340.5
2012 0.259 344.7
2013 0.253 349.0
2014 0.247 353.6
2015 0.240 358.4
2016 0.232 3.5
2017 0.223 9.0
2018 0.214 14.9
2019 0.204 21.4
2020 0.194 28.6
2021 0.183 36.6
2022 0.172 45.6
2023 0.162 55.8
2024 0.151 67.5
2025 0.140 80.9
2026 0.130 96.6
2027 0.120 115.0
2028 0.110 136.6
2029 0.104 161.5
2030 0.105 188.0

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic