05017+2640 A  1844AB

 
 
05H 01M 44.28S +26 40' 15.8" P.A. 57.8 SEP 0.31 MAG 7.07,9.01 SP G2V DIST. 40.6 PC (132.44 L.Y.)
 
 
Coord 2000
05017+2640
Discov num
A  1844
Comp
AB
Coord arcsec 2000
05 01 44.28 +26 40 15.8
Date first
1908
Date last
2014
Obs
42
Pa first
355
Pa last
38
P.A. Now (θ)
57.8°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.31"
Mag pri
7.07
Mag sec
9.01
delta mag (ΔM)
1.94
Spectral class
G2V (yellow)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+031
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
05017+2640 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76903 05017+2640 A 1844 AB 1908 2014 42 58 0.3 7.07 9.01 1.94 Y <===
Show 76903 05017+2640 S 461 AB,C 1824 2008 35 159 78.5 6.85 8.25 1.40
Show 76904 05017+2640 BAG 21 Ca,Cb 2000 2000 1 63 0.0 8.50 9.70 1.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
76903
HIP
23395
Tycho2
1853-01956-1
HD
32092
ADS
3608
BD
BD+26 775
Distance
40.6
Distance ly
132.44
last precise pa
38
last precise sep
0.338
 
 
ORBITAL ELEMENTS
 
 
Period (P)25.21y Periastron (T)1950.01y Semi-major axis (a)0.259a
Eccentricity (e)0.291 Inclination (i)17° Longitude of periastron (ω)
Node (Ω)202° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.184 193.7
2001 0.184 219.7
2002 0.190 244.8
2003 0.202 267.6
2004 0.219 287.5
2005 0.238 304.4
2006 0.258 318.7
2007 0.277 331.0
2008 0.294 341.8
2009 0.308 351.5
2010 0.319 0.4
2011 0.328 8.7
2012 0.333 16.7
2013 0.334 24.6
2014 0.333 32.5
2015 0.327 40.5
2016 0.319 48.9
2017 0.308 57.8
2018 0.293 67.5
2019 0.277 78.3
2020 0.258 90.6
2021 0.239 104.8
2022 0.220 121.5
2023 0.204 141.0
2024 0.192 163.5
2025 0.185 188.3
2026 0.184 214.2
2027 0.189 239.6
2028 0.199 263.1
2029 0.215 283.6
2030 0.234 301.1

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic