09591+5316 A  1346

 
 
09h 59m 05.55s +53 15' 49.5" P.A. 178.8 sep 0.61 mag 8.84,9.66 Sp F8 dist. 125.79 pc (410.33 l.y.)
 
 
Coord 2000
09591+5316
Discov num
A  1346
Comp
Coord arcsec 2000
09 59 05.55 +53 15 49.5
Date first
1906
Date last
2008
Obs
18
Pa first
151
Pa last
181
P.A. Now (θ)
178.8°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.61"
Mag pri
8.84
Mag sec
9.66
delta mag (ΔM)
0.82
Spectral class
F8 (yellow-white)
Pri motion ra
-058
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.8
Precise sep
0.512
Cdsa2 id
A 1346
Constellation
Ursa Major
SAO
27456
HIP
48940
Tycho2
3814-00781-1
HD
86309
ADS
7598
BD
BD+53 1375
Ra deg
9.984874999999999
De deg
53.26375
Distance
125.79
Distance ly
410.33
last precise pa
180.8
last precise sep
0.512
 
 
ORBITAL ELEMENTS
 
 
Period (P)298.13y± 22.83 Periastron (T)1971.51y± 1.32 Semi-major axis (a)0.56a± 0.045
Eccentricity (e)0.742± 0.02 Inclination (i)110°± 1.9 Longitude of periastron (ω)208.4°± 2.9
Node (Ω)175.9°± 1.6 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2008
label rho theta
2000 0.421 184.7
2001 0.434 184.2
2002 0.446 183.8
2003 0.459 183.4
2004 0.471 183.0
2005 0.482 182.6
2006 0.494 182.2
2007 0.505 181.9
2008 0.516 181.5
2009 0.527 181.2
2010 0.537 180.9
2011 0.548 180.6
2012 0.558 180.3
2013 0.567 180.1
2014 0.577 179.8
2015 0.586 179.5
2016 0.596 179.3
2017 0.605 179.0
2018 0.613 178.8
2019 0.622 178.6
2020 0.630 178.4
2021 0.639 178.1
2022 0.647 177.9
2023 0.655 177.7
2024 0.662 177.5
2025 0.670 177.3
2026 0.677 177.1
2027 0.684 177.0
2028 0.691 176.8
2029 0.698 176.6
2030 0.705 176.4

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

grafico orbita





wds09591%2B5316a.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
09591+5316 A 1346 1996 16 185 0.2 8.84 9.66 F8 NOD 095905.55+531549.5
09591+5316 A 1346 2007 17 182 0.5 8.84 9.66 F8 NOD 095905.55+531549.5
09591+5316 A 1346 2008 18 181 0.5 8.84 9.66 F8 NOD 095905.55+531549.5

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