09524+2659 STF1389

 
 
09h 52m 26.17s +26 58' 53.8" P.A. 289.7 sep 2.51 mag 9.12,9.50 Sp K0 dist. 57.54 pc (187.7 l.y.)
 
 
Coord 2000
09524+2659
Discov num
STF1389
Comp
Coord arcsec 2000
09 52 26.17 +26 58 53.8
Date first
1830
Date last
2017
Obs
147
Pa first
329
Pa last
290
P.A. Now (θ)
289.7°
Sep first
1.7
Sep last
2.4
Sep. Now (ρ)
2.51"
Mag pri
9.12
Mag sec
9.50
delta mag (ΔM)
0.38
Spectral class
K0 (yellow-orange)
Pri motion ra
+118
Sec motion ra
+100
Pri motion dec
-180
Sec motion dec
-180
Notes
O (Orbital solution)
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.6
Precise sep
2.441
Constellation
Leo
SAO
81060
HIP
48429
Tycho2
1964-00034-1
HD
85441
ADS
7551
BD
BD+27 1819
Distance
57.54
Distance ly
187.7
last precise pa
289.6
last precise sep
2.441
 
 
ORBITAL ELEMENTS
 
 
Period (P)1454y Periastron (T)2420.07y Semi-major axis (a)2.773a
Eccentricity (e)0.307 Inclination (i)122.7° Longitude of periastron (ω)265.1°
Node (Ω)80.9° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 2.470 292.5
2001 2.473 292.4
2002 2.475 292.2
2003 2.477 292.1
2004 2.480 291.9
2005 2.482 291.7
2006 2.484 291.6
2007 2.487 291.4
2008 2.489 291.3
2009 2.491 291.1
2010 2.493 290.9
2011 2.495 290.8
2012 2.498 290.6
2013 2.500 290.5
2014 2.502 290.3
2015 2.504 290.2
2016 2.506 290.0
2017 2.508 289.8
2018 2.511 289.7
2019 2.513 289.5
2020 2.515 289.4
2021 2.517 289.2
2022 2.519 289.1
2023 2.521 288.9
2024 2.523 288.8
2025 2.525 288.6
2026 2.527 288.5
2027 2.529 288.3
2028 2.531 288.2
2029 2.533 288.0
2030 2.535 287.8

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

grafico orbita





wds09524%2B2659c.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
09524+2659 STF1389 2005 119 293 2.4 9.12 9.50 K0 D 095226.17+265853.8
09524+2659 STF1389 2006 120 293 2.5 9.12 9.50 K0 D 095226.17+265853.8
09524+2659 STF1389 2007 121 292 2.4 9.12 9.50 K0 D 095226.17+265853.8
09524+2659 STF1389 2011 126 291 2.5 9.12 9.50 K0 D 095226.17+265853.8
09524+2659 STF1389 2014 132 289 2.5 9.12 9.50 K0 095226.17+265853.8
09524+2659 STF1389 2016 138 283 1.9 9.12 9.50 K0 O 095226.17+265853.8
09524+2659 STF1389 2017 147 290 2.4 9.12 9.50 K0 O 095226.17+265853.8

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