09349+0515 A  2757

 
 
09h 34m 51.06s +05 14' 51.5" P.A. 52 sep 0.31 mag 9.42,10.11 Sp K0 dist. 181.82 pc (593.1 l.y.)
 
 
Coord 2000
09349+0515
Discov num
A  2757
Comp
Coord arcsec 2000
09 34 51.06 +05 14 51.5
Date first
1914
Date last
1997
Obs
15
Pa first
177
Pa last
81
P.A. Now (θ)
52°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.31"
Mag pri
9.42
Mag sec
10.11
delta mag (ΔM)
0.69
Spectral class
K0 (yellow-orange)
Pri motion ra
-057
Sec motion ra
Pri motion dec
-053
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.9
Precise sep
0.24
Constellation
Hydra
HIP
47008
Tycho2
0241-02235-1
HD
82867
ADS
7435
BD
BD+05 2198
Distance
181.82
Distance ly
593.1
last precise pa
80.9
last precise sep
0.24
 
 
ORBITAL ELEMENTS
 
 
Period (P)251.2y Periastron (T)2065.5y Semi-major axis (a)0.322a
Eccentricity (e)0.192 Inclination (i)132.4° Longitude of periastron (ω)99.8°
Node (Ω)58.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2017
label rho theta
2000 0.331 69.1
2001 0.331 68.2
2002 0.330 67.3
2003 0.330 66.4
2004 0.329 65.5
2005 0.328 64.6
2006 0.327 63.6
2007 0.326 62.7
2008 0.325 61.8
2009 0.324 60.9
2010 0.322 59.9
2011 0.321 59.0
2012 0.319 58.0
2013 0.318 57.0
2014 0.316 56.1
2015 0.314 55.1
2016 0.312 54.1
2017 0.310 53.0
2018 0.308 52.0
2019 0.305 51.0
2020 0.303 49.9
2021 0.300 48.8
2022 0.297 47.7
2023 0.295 46.6
2024 0.292 45.4
2025 0.289 44.3
2026 0.285 43.1
2027 0.282 41.9
2028 0.279 40.6
2029 0.275 39.3
2030 0.272 38.0

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

grafico orbita





wds09349%2B0515a.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
09349+0515 A 2757 1997 15 81 0.2 9.42 10.11 K0 D 093451.06+051451.5

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