23485+2539 DSG   8

 
 
23H 48M 31.46S +25 39' 13.7" P.A. 296.6 SEP 0.03 MAG 7.80,7.90 SP F5V+F5.5V DIST. 68.92 PC (224.82 L.Y.)
 
 
Coord 2000
23485+2539
Discov num
DSG   8
Comp
Coord arcsec 2000
23 48 31.46 +25 39 13.7
Date first
2011
Date last
2014
Obs
6
Pa first
303
Pa last
300
P.A. Now (θ)
296.6°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0.03"
Mag pri
7.80
Mag sec
7.90
delta mag (ΔM)
0.1
Spectral class
F5V+F5.5V (yellow-white/yellow-white)
Pri motion ra
-119
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
SAO
91500
HIP
117415
Tycho2
2254-01878-1
HD
223323
BD
BD+24 4836
Distance
68.92
Distance ly
224.82
last precise pa
300.4
last precise sep
0.029
 
 
ORBITAL ELEMENTS
 
 
Period (P)3.21725y Periastron (T)2004.6148y Semi-major axis (a)40.3m± 1.2
Eccentricity (e)0.604 Inclination (i)86.3°± 1.8 Longitude of periastron (ω)258.8°
Node (Ω)120.6°± 2.3 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.006 164.6
2001 0.028 297.7
2002 0.037 123.1
2003 0.013 138.3
2004 0.024 294.8
2005 0.034 121.6
2006 0.021 131.2
2007 0.018 290.2
2008 0.020 118.8
2009 0.028 127.8
2010 0.010 279.4
2011 0.010 305.2
2012 0.033 125.7
2013 0.004 224.6
2014 0.026 299.3
2015 0.037 124.0
2016 0.009 148.8
2017 0.027 296.6
2018 0.037 122.5
2019 0.017 134.7
2020 0.022 293.3
2021 0.030 120.8
2022 0.024 129.6
2023 0.015 287.2
2024 0.009 114.7
2025 0.030 126.9
2026 0.007 268.7
2027 0.020 301.5
2028 0.035 125.0
2029 0.005 179.6
2030 0.028 298.2

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic