03095+4544 HDS 404

03h 09m 30.81s +45° 43' 58.3" P.A. 20.00 sep 0.5 mag 10.32,12.50 Sp M2V+M4 dist. 15.76 pc (51.41 l.y.)

Coord 2000 03095+4544 Discov num HDS 404 Comp Coord arcsec 2000 03 09 30.81 +45 43 58.3
Date first 1991 Date last 2017 Obs 24
Pa first 23 Pa last 20.2 P.A. Now (θ) 12.3°
Sep first 0.4 Sep last 0.51 Sep. Now (ρ) 0.64"
Mag pri 10.32 Mag sec 12.50 delta mag (ΔM) 2.18 Spectral class M2V+M4 (red/red)
Pri motion ra -429 Sec motion ra
Pri motion dec -385 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Perseus HIP 14669 Tycho2 3310-00917-1 Gaia DR2 434690036551517952
GL Gl 125 Distance 15.76 Distance ly 51.41




ORBITAL ELEMENTS

Period (P)25.67y± 0.2 Periastron (T)64226d (2034.721y)± 74 Semi-major axis (a)534.5m± 2.3
Eccentricity (e)0.2271± 0.0044 Inclination (i)97.186°± 0.026 Longitude of periastron (ω)181.38°± 0.36
Node (Ω)13.732°± 0.082 Notesn ReferenceMnA2019
Equinox Last observation2016 Grade3(1=Definitive, 9=Indet.)

label theta rho
2000 8.4 0.499
2001 6.0 0.411
2002 2.2 0.308
2003 354.0 0.192
2004 321.8 0.082
2005 230.1 0.102
2006 207.6 0.215
2007 200.6 0.318
2008 196.7 0.389
2009 193.7 0.413
2010 190.7 0.386
2011 186.7 0.313
2012 179.3 0.208
2013 154.0 0.094
2014 59.7 0.089
2015 32.1 0.203
2016 24.6 0.319
2017 21.0 0.422
2018 18.8 0.508
2019 17.1 0.576
2020 15.8 0.623
2021 14.6 0.650
2022 13.4 0.655
2023 12.3 0.640
2024 11.0 0.604
2025 9.5 0.548
2026 7.7 0.472
2027 5.0 0.379
2028 0.2 0.271
2029 348.5 0.154
2030 289.9 0.064


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



 
 


wds03095%2B4544c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic