10294+1211 HDS1507

 
 
10h 29m 25.66s +12 11' 13.3" P.A. 4.7 sep 0.12 mag 7.69,8.76 Sp F2 dist. 91.16 pc (297.36 l.y.)
 
 
Coord 2000
10294+1211
Discov num
HDS1507
Comp
Coord arcsec 2000
10 29 25.66 +12 11 13.3
Date first
1991
Date last
2017
Obs
12
Pa first
44
Pa last
356
P.A. Now (θ)
4.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.12"
Mag pri
7.69
Mag sec
8.76
delta mag (ΔM)
1.07
Spectral class
F2 (yellow-white)
Pri motion ra
-069
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.8
Precise sep
0.115
Constellation
Leo
SAO
99157
HIP
51360
Tycho2
0841-00115-1
HD
90823
BD
BD+12 2217
Distance
91.16
Distance ly
297.36
last precise pa
355.8
last precise sep
0.115
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.59y± 0.11 Periastron (T)2011.79y± 0.36 Semi-major axis (a)0.0984a± 0.0021
Eccentricity (e)0.372± 0.032 Inclination (i)24.6°± 6.9 Longitude of periastron (ω)286.3°± 24.7
Node (Ω)277°± 29.7 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.103 328.3
2001 0.111 344.7
2002 0.117 359.1
2003 0.121 12.4
2004 0.124 24.9
2005 0.124 37.1
2006 0.122 49.6
2007 0.117 62.8
2008 0.108 77.6
2009 0.096 95.7
2010 0.079 120.6
2011 0.061 160.2
2012 0.058 217.0
2013 0.071 264.0
2014 0.086 294.9
2015 0.098 317.3
2016 0.107 335.3
2017 0.114 350.8
2018 0.119 4.7
2019 0.123 17.6
2020 0.124 29.9
2021 0.123 42.2
2022 0.120 54.9
2023 0.114 68.6
2024 0.104 84.5
2025 0.089 104.7
2026 0.071 134.4
2027 0.057 182.5
2028 0.062 238.7
2029 0.077 278.1
2030 0.091 304.8

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

grafico orbita





wds10294%2B1211e.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
10294+1211 HDS1507 1999 2 309 0.1 7.69 8.76 F2 D 102925.66+121113.3
10294+1211 HDS1507 2007 4 68 0.1 7.69 8.76 F2 D 102925.66+121113.3
10294+1211 HDS1507 2017 12 356 0.1 7.69 8.76 F2 NO 102925.66+121113.3

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