00550+2338 STF 73 AB

 
 
00h 54m 58.02s +23 37' 42.4" P.A. 335.00 sep 1.2 mag 6.12,6.54 Sp K1IV dist. 37.98 pc (123.89 l.y.)
 
 
Coord 2000 00550+2338 Discov num STF  73 Comp AB Coord arcsec 2000 00 54 58.02 +23 37 42.4
Date first 1830 Date last 2020 Obs 740
Pa first 305 Pa last 335.1 P.A. Now (θ) 337.5°
Sep first 0.9 Sep last 1.18 Sep. Now (ρ) 1.205"
Mag pri 6.12 Mag sec 6.54 delta mag (ΔM) 0.42 Spectral class K1IV (yellow-orange)
Pri motion ra +136 Sec motion ra +136
Pri motion dec -030 Sec motion dec -030
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00550+2338 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 74359 00 54 58 +23 37 42 STF 73 AB 2020 740 335 1.2 6.12 6.54 0.42 Y <===
Show 36 And 74359 00 54 58 +23 37 42 FOX 115 AB,C 2001 6 223 161.7 5.69 11.00 5.31
Show 74359 00 54 58 +23 37 42 TOK 447 AD 2001 4 129 999.9 5.69 10.92 5.23
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV343 And Constellation Andromeda SAO 74359 HIP 4288
Tycho2 1739-02318-1 Gaia DR2 2803936138967498624 HD 5286 HR 258
GC 1091 ADS 755 BD BD+22 146 Flamsteed 36 Andromedae
Flamsteed name 36 And Distance 37.98 Distance ly 123.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)61183d (167.51y)± 69 Periastron (T)35543m (1956.191y)± 21 Semi-major axis (a)0.9837a± 0.0011
Eccentricity (e)0.30603± 0.00078 Inclination (i)44.57°± 0.11 Longitude of periastron (ω)358.62°± 0.21
Node (Ω)173.66°± 0.13 Notesn ReferenceMut2010b
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 308.2 0.892
2001 309.9 0.908
2002 311.6 0.925
2003 313.2 0.941
2004 314.8 0.958
2005 316.3 0.974
2006 317.8 0.990
2007 319.2 1.005
2008 320.6 1.021
2009 321.9 1.036
2010 323.2 1.050
2011 324.5 1.065
2012 325.7 1.079
2013 326.9 1.092
2014 328.1 1.105
2015 329.2 1.118
2016 330.3 1.131
2017 331.4 1.143
2018 332.5 1.154
2019 333.5 1.165
2020 334.5 1.176
2021 335.6 1.186
2022 336.6 1.196
2023 337.5 1.205
2024 338.5 1.214
2025 339.4 1.222
2026 340.4 1.230
2027 341.3 1.237
2028 342.2 1.244
2029 343.1 1.250
2030 344.0 1.256


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



 
 


wds00550%2B2338b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic