11514+1148 HDS1672

 
 
11h 51m 24.85s +11 48' 18.6" P.A. 123.7 sep 0.33 mag 7.18,10.92 Sp F6V dist. 52.69 pc (171.87 l.y.)
 
 
Coord 2000
11514+1148
Discov num
HDS1672
Comp
Coord arcsec 2000
11 51 24.85 +11 48 18.6
Date first
1991
Date last
2017
Obs
11
Pa first
183
Pa last
118
P.A. Now (θ)
123.7°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.33"
Mag pri
7.18
Mag sec
10.92
delta mag (ΔM)
3.74
Spectral class
F6V (yellow-white)
Pri motion ra
-221
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.9
Precise sep
0.3
Constellation
Leo
SAO
99829
HIP
57821
Tycho2
0867-00523-1
HD
102988
BD
BD+12 2388
Distance
52.69
Distance ly
171.87
last precise pa
117.9
last precise sep
0.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)53.24y Periastron (T)2008.921y Semi-major axis (a)0.332a
Eccentricity (e)0.784 Inclination (i)42° Longitude of periastron (ω)100°
Node (Ω)236.4° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.340 195.3
2001 0.322 198.5
2002 0.303 202.0
2003 0.281 206.0
2004 0.255 210.8
2005 0.225 216.8
2006 0.190 224.8
2007 0.146 237.0
2008 0.091 262.5
2009 0.055 348.9
2010 0.105 51.7
2011 0.149 73.4
2012 0.183 86.0
2013 0.211 94.9
2014 0.235 101.8
2015 0.257 107.5
2016 0.276 112.3
2017 0.294 116.5
2018 0.310 120.3
2019 0.325 123.7
2020 0.338 126.9
2021 0.351 129.7
2022 0.363 132.4
2023 0.374 135.0
2024 0.384 137.4
2025 0.393 139.7
2026 0.401 141.8
2027 0.409 143.9
2028 0.416 146.0
2029 0.422 147.9
2030 0.427 149.8

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

grafico orbita





wds11514%2B1148b.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
11514+1148 HDS1672 2004 3 267 0.1 7.18 10.92 F6V D 115124.85+114818.6
11514+1148 HDS1672 2011 4 75 0.2 7.18 10.92 F6V D 115124.85+114818.6
11514+1148 HDS1672 2012 6 88 0.2 7.18 10.92 F6V D 115124.85+114818.6
11514+1148 HDS1672 2013 8 96 0.2 7.18 10.92 F6V D 115124.85+114818.6
11514+1148 HDS1672 2014 9 102 0.2 7.18 10.92 F6V O 115124.85+114818.6
11514+1148 HDS1672 2017 11 118 0.3 7.18 10.92 F6V O 115124.85+114818.6

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