03513+2621 A  1830AB

 
 
03H 51M 20.24S +26 21' 13.6" P.A. 168.4 SEP 0.12 MAG 8.02,8.00 SP F8
 
 
Coord 2000
03513+2621
Discov num
A  1830
Comp
AB
Coord arcsec 2000
03 51 20.24 +26 21 13.6
Date first
1908
Date last
2009
Obs
20
Pa first
8
Pa last
194
P.A. Now (θ)
168.4°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.12"
Mag pri
8.02
Mag sec
8.00
delta mag (ΔM)
0.02
Spectral class
F8 (yellow-white)
Pri motion ra
+058
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03513+2621 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76270 03513+2621 A 1830 AB 1908 2009 20 168 0.1 8.02 8.00 0.02 Y <===
Show 76270 03513+2621 GRV 195 AC 1896 2001 6 330 60.9 8.02 11.11 3.09
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
76270
Tycho2
1808-00210-1
HD
24104
ADS
2811
last precise pa
194.1
last precise sep
0.39
 
 
ORBITAL ELEMENTS
 
 
Period (P)291.6y± 27.19 Periastron (T)1976.77y± 27.9 Semi-major axis (a)0.284a± 0.062
Eccentricity (e)0.45± 0.223 Inclination (i)103.6°± 6 Longitude of periastron (ω)143.1°± 14.2
Node (Ω)15.3°± 4.8 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.165 186.1
2001 0.164 185.3
2002 0.162 184.5
2003 0.159 183.7
2004 0.157 182.9
2005 0.155 182.0
2006 0.152 181.1
2007 0.149 180.2
2008 0.146 179.3
2009 0.144 178.3
2010 0.141 177.2
2011 0.137 176.2
2012 0.134 175.0
2013 0.131 173.8
2014 0.128 172.6
2015 0.125 171.3
2016 0.121 169.9
2017 0.118 168.4
2018 0.115 166.9
2019 0.111 165.2
2020 0.108 163.5
2021 0.105 161.7
2022 0.102 159.7
2023 0.098 157.6
2024 0.095 155.4
2025 0.092 153.0
2026 0.090 150.5
2027 0.087 147.8
2028 0.084 145.0
2029 0.082 141.9
2030 0.080 138.8

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