03101+2145 BU 1030AB

 
 
03H 10M 06.57S +21 44' 49.5" P.A. 101.3 SEP 0.8 MAG 7.81,9.67 SP F0 DIST. 118.06 PC (385.11 L.Y.)
 
 
Coord 2000
03101+2145
Discov num
BU 1030
Comp
AB
Coord arcsec 2000
03 10 06.57 +21 44 49.5
Date first
1888
Date last
2013
Obs
86
Pa first
165
Pa last
100
P.A. Now (θ)
101.3°
Sep first
0.6
Sep last
0.9
Sep. Now (ρ)
0.8"
Mag pri
7.81
Mag sec
9.67
delta mag (ΔM)
1.86
Spectral class
F0 (yellow-white)
Pri motion ra
+023
Sec motion ra
+023
Pri motion dec
-011
Sec motion dec
-011
Notes
O (Orbital solution)
This double is physical.
 
 
03101+2145 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 75764 03101+2145 BU 1030 AB 1888 2013 86 101 0.8 7.81 9.67 1.86 Y <===
Show 75764 03101+2145 POP 225 AB,C 1998 2004 3 44 48.2 7.63 13.54 5.91
Show 75764 03101+2145 POP 225 AB,D 1998 2004 3 159 54.1 7.63 15.80 8.17
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
75764
HIP
14715
Tycho2
1231-00913-1
HD
19616
ADS
2375
BD
BD+21 413
Distance
118.06
Distance ly
385.11
last precise pa
100
last precise sep
0.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)571y Periastron (T)2156y Semi-major axis (a)0.802a
Eccentricity (e)0.084 Inclination (i)123.7° Longitude of periastron (ω)90.3°
Node (Ω)97.4° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.792 107.3
2001 0.793 106.9
2002 0.794 106.5
2003 0.794 106.2
2004 0.795 105.8
2005 0.796 105.5
2006 0.797 105.1
2007 0.798 104.8
2008 0.798 104.4
2009 0.799 104.1
2010 0.799 103.7
2011 0.800 103.4
2012 0.800 103.0
2013 0.800 102.7
2014 0.800 102.3
2015 0.801 102.0
2016 0.801 101.6
2017 0.801 101.3
2018 0.801 100.9
2019 0.801 100.6
2020 0.800 100.2
2021 0.800 99.9
2022 0.800 99.5
2023 0.800 99.2
2024 0.799 98.8
2025 0.799 98.5
2026 0.798 98.1
2027 0.797 97.8
2028 0.797 97.4
2029 0.796 97.1
2030 0.795 96.7

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