01345+3440 A 1913 AB

 
 
01h 34m 29.69s +34 39' 39.5" P.A. 310.00 sep 0.4 mag 10.46,10.68 Sp G0 dist. 211.42 pc (689.65 l.y.)
 
 
Coord 2000 01345+3440 Discov num A  1913 Comp AB Coord arcsec 2000 01 34 29.69 +34 39 39.5
Date first 1908 Date last 2013 Obs 32
Pa first 268 Pa last 309.5 P.A. Now (θ) 309.5°
Sep first 0.2 Sep last 0.422 Sep. Now (ρ) 0.422"
Mag pri 10.46 Mag sec 10.68 delta mag (ΔM) 0.22 Spectral class G0 (yellow)
Pri motion ra -015 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
01345+3440 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 01 34 30 +34 39 40 A 1913 AB 2013 32 310 0.4 10.46 10.68 0.22 Y <===
Show 01 34 30 +34 39 40 A 1913 AB,C 2014 20 337 70.9 9.75 9.57 0.18
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Triangulum HIP 7337 Tycho2 2301-00733-1 ADS 1227
BD BD+33 257 Distance 211.42 Distance ly 689.65
 
 
ORBITAL ELEMENTS
 
 
Period (P)275.5y Periastron (T)2088.9y Semi-major axis (a)0.33a
Eccentricity (e)0.188 Inclination (i)111.2° Longitude of periastron (ω)94.3°
Node (Ω)117.2° Notes ReferenceMnt1999a
Equinox2000 Last observation1991 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 133.6 0.296
2001 133.0 0.298
2002 132.5 0.301
2003 131.9 0.303
2004 131.4 0.306
2005 130.8 0.308
2006 130.3 0.310
2007 129.8 0.312
2008 129.2 0.314
2009 128.7 0.316
2010 128.2 0.318
2011 127.7 0.319
2012 127.2 0.321
2013 126.8 0.322
2014 126.3 0.324
2015 125.8 0.325
2016 125.3 0.326
2017 124.8 0.327
2018 124.4 0.328
2019 123.9 0.328
2020 123.4 0.329
2021 123.0 0.329
2022 122.5 0.330
2023 122.0 0.330
2024 121.6 0.330
2025 121.1 0.330
2026 120.6 0.329
2027 120.2 0.329
2028 119.7 0.328
2029 119.2 0.328
2030 118.8 0.327


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



 
 


wds01345%2B3440b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic