04397+0952 HDS 601 Aa,Ab

 
 
04h 39m 42.61s +09° 52' 19.4" P.A. 309.00 sep 0.6 mag 9.36,12.77 Sp K3V dist. 30.59 pc (99.78 l.y.)
 
 
Coord 2000 04397+0952 Discov num HDS 601 Comp Aa,Ab Coord arcsec 2000 04 39 42.61 +09 52 19.4
Date first 1991 Date last 2020 Obs 9
Pa first 172 Pa last 309.2 P.A. Now (θ) 309.2°
Sep first 0.8 Sep last 0.578 Sep. Now (ρ) 0.578"
Mag pri 9.36 Mag sec 12.77 delta mag (ΔM) 3.41 Spectral class K3V (yellow-orange)
Pri motion ra -011 Sec motion ra
Pri motion dec -374 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04397+0952 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 111962 04 39 43 +09 52 19 HDS 601 Aa,Ab 2020 9 309 0.6 9.36 12.77 3.41 Y <===
Show 111962 04 39 43 +09 52 19 GIC 51 AB 2015 9 164 33.9 9.19 14.19 5.00
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 111962 HIP 21710 Tycho2 0686-01084-1
HD 286955 GL Gl 173.1A BD BD+09 621 Distance 30.59
Distance ly 99.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)285y Periastron (T)1999.8y± 76 Semi-major axis (a)1.637a± 0.136
Eccentricity (e)0.19± 0.09 Inclination (i)78.6°± 1.5 Longitude of periastron (ω)253°± 145
Node (Ω)335.7°± 4.9 Notes ReferenceTok2021b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 189.2 0.455
2001 192.6 0.422
2002 196.6 0.390
2003 201.3 0.360
2004 206.8 0.333
2005 213.2 0.309
2006 220.5 0.289
2007 228.8 0.275
2008 237.9 0.266
2009 247.2 0.264
2010 256.5 0.269
2011 265.3 0.280
2012 273.2 0.298
2013 280.1 0.319
2014 286.1 0.345
2015 291.2 0.374
2016 295.5 0.404
2017 299.2 0.437
2018 302.4 0.470
2019 305.2 0.505
2020 307.6 0.540
2021 309.7 0.575
2022 311.6 0.611
2023 313.3 0.647
2024 314.8 0.682
2025 316.1 0.718
2026 317.3 0.754
2027 318.4 0.789
2028 319.4 0.823
2029 320.4 0.858
2030 321.2 0.892


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



 
 


wds04397%2B0952a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier04397+0952
coord_arcsec_2000043942.61+095219.4
Period (P)1.6732y± 0.0005 Periastron (T)2013.958y± 0.013 Semi-major axis (a)0.046a
Eccentricity (e)0.426± 0.018 Inclination (i)62.7°± 14.3 Longitude of periastron (ω)267.7°± 3.6
Node (Ω)286.5°± 10.2 Notes ReferenceTok2021b
Equinox Last observation Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 61.1 0.036
2001 309.7 0.043
2002 99.6 0.040
2003 355.1 0.032
2004 260.1 0.022
2005 58.1 0.035
2006 307.7 0.043
2007 97.4 0.041
2008 351.4 0.032
2009 251.0 0.019
2010 55.0 0.034
2011 305.8 0.044
2012 95.2 0.042
2013 347.9 0.033
2014 238.0 0.015
2015 51.8 0.034
2016 303.8 0.044
2017 93.1 0.042
2018 344.5 0.033
2019 219.2 0.013
2020 48.4 0.033
2021 301.9 0.044
2022 91.0 0.042
2023 341.3 0.034
2024 195.1 0.012
2025 44.9 0.032
2026 300.0 0.044
2027 88.9 0.042
2028 338.1 0.035
2029 171.3 0.013
2030 41.3 0.032


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



 
 


wds04397%2B0952r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic