23175+1937 BEU 23

 
 
23h 17m 28.13s +19° 36' 46.6" P.A. 25.00 sep 0.4 mag 10.30,12.00 Sp M3.5
 
 
Coord 2000 23175+1937 Discov num BEU  23 Comp Coord arcsec 2000 23 17 28.13 +19 36 46.6
Date first 2001 Date last 2018 Obs 11
Pa first 209 Pa last 25.3 P.A. Now (θ) 288.5°
Sep first 0.1 Sep last 0.357 Sep. Now (ρ) 0.06"
Mag pri 10.30 Mag sec 12.00 delta mag (ΔM) 1.7 Spectral class M3.5 (red)
Pri motion ra +354 Sec motion ra
Pri motion dec -101 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.56y± 0.09 Periastron (T)56419d (2013.346y)± 2.5 Semi-major axis (a)0.264a± 0.001
Eccentricity (e)0.464± 0.004 Inclination (i)103.3°± 0.2 Longitude of periastron (ω)206.8°± 0.5
Node (Ω)30.8°± 0.2 Notes ReferenceJnn2012b
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 274.3 0.063
2001 221.2 0.138
2002 196.9 0.101
2003 56.7 0.097
2004 38.6 0.239
2005 33.1 0.325
2006 29.4 0.364
2007 26.1 0.363
2008 22.5 0.328
2009 17.5 0.264
2010 8.1 0.175
2011 334.7 0.078
2012 239.9 0.094
2013 212.0 0.148
2014 148.0 0.042
2015 44.8 0.166
2016 35.8 0.283
2017 31.4 0.347
2018 28.0 0.368
2019 24.6 0.352
2020 20.5 0.304
2021 14.2 0.228
2022 359.6 0.131
2023 288.5 0.060
2024 224.1 0.130
2025 201.4 0.117
2026 63.7 0.078
2027 39.6 0.225
2028 33.6 0.318
2029 29.8 0.361
2030 26.5 0.365


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



 
 


wds23175%2B1937a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic