04148+2813 GHE 2 Aa,Ab

 
 
04h 14m 49.28s +28° 12' 30.6" P.A. 253.00 sep 0.1 mag 15.90,16.00 Sp M3.5+M3.5
 
 
Coord 2000 04148+2813 Discov num GHE   2 Comp Aa,Ab Coord arcsec 2000 04 14 49.28 +28 12 30.6
Date first 1991 Date last 2015 Obs 22
Pa first 180 Pa last 253.2 P.A. Now (θ) 253.2°
Sep first 0.2 Sep last 0.124 Sep. Now (ρ) 0.124"
Mag pri 15.90 Mag sec 16.00 delta mag (ΔM) 0.1 Spectral class M3.5+M3.5 (red/red)
Pri motion ra +007 Sec motion ra
Pri motion dec -027 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04148+2813 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 04 14 49 +28 12 31 GHE 2 Aa,Ab 2015 22 253 0.1 15.90 16.00 0.10 Y <===
Show 04 14 49 +28 12 31 KSA 5 AB 2015 11 251 26.1 9.70 15.70 6.00
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus Gaia DR2 163183644576299264
 
 
ORBITAL ELEMENTS
 
 
Period (P)194y Periastron (T)2023.12y Semi-major axis (a)0.219a
Eccentricity (e)0.449 Inclination (i)38.7° Longitude of periastron (ω)206.9°
Node (Ω)83.8° Notesn ReferenceTam2002
Equinox Last observation2001 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 202.8 0.147
2001 205.7 0.146
2002 208.7 0.144
2003 211.7 0.143
2004 214.7 0.142
2005 217.8 0.140
2006 221.0 0.139
2007 224.2 0.138
2008 227.5 0.137
2009 230.9 0.136
2010 234.2 0.135
2011 237.7 0.134
2012 241.2 0.133
2013 244.7 0.132
2014 248.3 0.131
2015 252.0 0.129
2016 255.7 0.128
2017 259.6 0.127
2018 263.5 0.125
2019 267.5 0.123
2020 271.6 0.122
2021 275.9 0.120
2022 280.3 0.118
2023 284.8 0.116
2024 289.5 0.114
2025 294.4 0.112
2026 299.4 0.111
2027 304.5 0.109
2028 309.8 0.108
2029 315.2 0.107
2030 320.6 0.107


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



 
 


wds04148%2B2813b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic