23075+2108 MAR   1Aa,Ae

 
 
23H 07M 28.71S +21 08' 03.3" P.A. 285.2 SEP 0.4 MAG 5.38,15.90 SP A5V DIST. 39.4 PC (128.52 L.Y.)
 
 
Coord 2000
23075+2108
Discov num
MAR   1
Comp
Aa,Ae
Coord arcsec 2000
23 07 28.71 +21 08 03.3
Date first
2009
Date last
2014
Obs
16
Pa first
234
Pa last
272
P.A. Now (θ)
285.2°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
5.38
Mag sec
15.90
delta mag (ΔM)
10.52
Spectral class
A5V (white)
Pri motion ra
+108
Sec motion ra
Pri motion dec
-050
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
23075+2108 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 91022 23075+2108 MAR 1 Aa,Ab 1998 2014 32 68 1.7 5.38 16.30 10.92 Y
Show 91022 23075+2108 MAR 1 Aa,Ac 1998 2014 31 332 1.0 5.38 14.65 9.27 Y
Show 91022 23075+2108 MAR 1 Aa,Ad 1998 2014 24 223 0.7 5.38 15.26 9.88 Y
Show 91022 23075+2108 MAR 1 Aa,Ae 2009 2014 16 285 0.4 5.38 15.90 10.52 Y <===
Show V342 Peg 91022 23075+2108 LWR 19 AB 1998 2007 2 13 14.2 5.40 21.60 16.20
Show 91022 23075+2108 LWR 19 AC 1998 2007 2 116 14.9 5.40 20.40 15.00
Show 91022 23075+2108 CLO 11 AD 1994 1994 1 224 240.0 5.96 20.80 14.84
Octuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V342 Peg
Constellation
Pegasus
SAO
91022
HIP
114189
Tycho2
1718-02350-1
HD
218396
HR
8799
BD
BD+20 5278
Distance
39.4
Distance ly
128.52
last precise pa
272
last precise sep
0.384
 
 
ORBITAL ELEMENTS
 
 
Period (P)56.99y± 3.09 Periastron (T)1995.61y± 0.93 Semi-major axis (a)0.431a± 0.012
Eccentricity (e)0 Inclination (i)30.95°± 1.43 Longitude of periastron (ω)
Node (Ω)145.73°± 7.11 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.418 170.0
2001 0.413 175.8
2002 0.406 181.8
2003 0.400 188.0
2004 0.393 194.4
2005 0.387 201.1
2006 0.381 207.9
2007 0.376 214.9
2008 0.372 222.1
2009 0.370 229.4
2010 0.370 236.8
2011 0.371 244.1
2012 0.373 251.4
2013 0.377 258.6
2014 0.382 265.5
2015 0.388 272.3
2016 0.395 278.9
2017 0.402 285.2
2018 0.408 291.4
2019 0.414 297.3
2020 0.420 303.1
2021 0.425 308.7
2022 0.428 314.3
2023 0.430 319.7
2024 0.431 325.2
2025 0.430 330.6
2026 0.429 336.0
2027 0.425 341.6
2028 0.421 347.2
2029 0.416 352.9
2030 0.410 358.8

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