23431+1150 A  1242

 
 
23h 43m 06.08s +11 50' 04.4" P.A. 340 sep 0.99 mag 9.37,9.69 Sp G5 dist. 86.51 pc (282.2 l.y.)
 
 
Coord 2000
23431+1150
Discov num
A  1242
Comp
Coord arcsec 2000
23 43 06.08 +11 50 04.4
Date first
1905
Date last
2016
Obs
80
Pa first
266
Pa last
339
P.A. Now (θ)
340°
Sep first
0.5
Sep last
1.0
Sep. Now (ρ)
0.99"
Mag pri
9.37
Mag sec
9.69
delta mag (ΔM)
0.32
Spectral class
G5 (yellow)
Pri motion ra
+102
Sec motion ra
+102
Pri motion dec
-002
Sec motion dec
-002
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.3
Precise sep
1.007
Cdsa2 id
A 1242
Constellation
Pegasus
HIP
116995
Tycho2
1173-00045-1
HD
222718
ADS
16951
Ra deg
23.718355555555554
De deg
11.834555555555555
Distance
86.51
Distance ly
282.2
last precise pa
339.3
last precise sep
1.007
 
 
ORBITAL ELEMENTS
 
 
Period (P)441.18y Periastron (T)2220.74y Semi-major axis (a)0.964a
Eccentricity (e)0.404 Inclination (i)62° Longitude of periastron (ω)123.2°
Node (Ω)9.2° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2002
label rho theta
2000 0.911 333.5
2001 0.916 333.9
2002 0.921 334.3
2003 0.926 334.6
2004 0.930 335.0
2005 0.935 335.4
2006 0.939 335.8
2007 0.944 336.1
2008 0.948 336.5
2009 0.953 336.9
2010 0.957 337.2
2011 0.962 337.6
2012 0.966 337.9
2013 0.971 338.3
2014 0.975 338.6
2015 0.979 339.0
2016 0.984 339.3
2017 0.988 339.6
2018 0.992 340.0
2019 0.996 340.3
2020 1.000 340.6
2021 1.004 340.9
2022 1.008 341.3
2023 1.012 341.6
2024 1.016 341.9
2025 1.020 342.2
2026 1.024 342.5
2027 1.028 342.8
2028 1.031 343.1
2029 1.035 343.4
2030 1.039 343.7

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

grafico orbita





wds23431%2B1150a.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
23431+1150 A 1242 2006 70 336 0.9 9.37 9.69 G5 NOD 234306.08+115004.4
23431+1150 A 1242 2009 74 335 0.9 9.37 9.69 G5 NOD 234306.08+115004.4
23431+1150 A 1242 2010 76 338 1.0 9.37 9.69 G5 NOD 234306.08+115004.4
23431+1150 A 1242 2014 77 336 1.0 9.37 9.69 G5 NO 234306.08+115004.4
23431+1150 A 1242 2016 79 340 1.1 9.37 9.69 G5 NO 234306.08+115004.4

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