23088+1058 A  1238AB

 
 
23H 08M 47.77S +10 57' 31.1" P.A. 88.3 SEP 0.26 MAG 8.20,8.79 SP F6V DIST. 119.19 PC (388.8 L.Y.)
 
 
Coord 2000
23088+1058
Discov num
A  1238
Comp
AB
Coord arcsec 2000
23 08 47.77 +10 57 31.1
Date first
1905
Date last
2014
Obs
82
Pa first
228
Pa last
99
P.A. Now (θ)
88.3°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.26"
Mag pri
8.20
Mag sec
8.79
delta mag (ΔM)
0.59
Spectral class
F6V (yellow-white)
Pri motion ra
+048
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
23088+1058 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23088+1058 A 1238 AB 1905 2014 82 88 0.3 8.20 8.79 0.59 Y <===
Show 23088+1058 A 1238 AB,CD 1905 2000 14 292 74.0 7.67 11.16 3.49
Show 23088+1058 A 1238 CD 1905 1980 8 126 1.5 11.90 11.90 0.00
Quadruple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
HIP
114280
HD
218550
ADS
16539
Distance
119.19
Distance ly
388.8
last precise pa
99.1
last precise sep
0.272
 
 
ORBITAL ELEMENTS
 
 
Period (P)72y± 0.29 Periastron (T)1963.25y± 0.21 Semi-major axis (a)0.247a± 0.021
Eccentricity (e)0.2773± 0.005 Inclination (i)153.5°± 2.3 Longitude of periastron (ω)145.7°± 5
Node (Ω)114.3°± 4.8 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.306 143.6
2001 0.307 140.8
2002 0.308 138.1
2003 0.308 135.3
2004 0.308 132.5
2005 0.308 129.8
2006 0.306 127.0
2007 0.305 124.2
2008 0.303 121.3
2009 0.300 118.4
2010 0.297 115.5
2011 0.294 112.5
2012 0.290 109.4
2013 0.285 106.2
2014 0.280 102.9
2015 0.274 99.5
2016 0.268 96.0
2017 0.262 92.2
2018 0.255 88.3
2019 0.248 84.2
2020 0.240 79.8
2021 0.232 75.1
2022 0.224 70.0
2023 0.216 64.6
2024 0.208 58.8
2025 0.200 52.5
2026 0.193 45.7
2027 0.186 38.4
2028 0.180 30.6
2029 0.175 22.3
2030 0.172 13.6

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