01030+4723 STT  21

 
 
01H 03M 01.54S +47 22' 34.1" P.A. 175.7 SEP 1.16 MAG 6.76,8.07 SP A9IV DIST. 96.06 PC (313.35 L.Y.)
 
 
Coord 2000
01030+4723
Discov num
STT  21
Comp
Coord arcsec 2000
01 03 01.54 +47 22 34.1
Date first
1845
Date last
2015
Obs
126
Pa first
225
Pa last
175
P.A. Now (θ)
175.7°
Sep first
1.0
Sep last
1.3
Sep. Now (ρ)
1.16"
Mag pri
6.76
Mag sec
8.07
delta mag (ΔM)
1.31
Spectral class
A9IV (white)
Pri motion ra
+081
Sec motion ra
+081
Pri motion dec
-012
Sec motion dec
-012
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
36875
HIP
4911
Tycho2
3267-01375-1
HD
6114
HR
289
ADS
862
BD
BD+46 243
Distance
96.06
Distance ly
313.35
last precise pa
175.4
last precise sep
1.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)450y Periastron (T)1902y Semi-major axis (a)0.816a
Eccentricity (e)0.8 Inclination (i)87° Longitude of periastron (ω)180°
Node (Ω)176.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1964
label rho theta
2000 1.044 175.5
2001 1.051 175.5
2002 1.058 175.5
2003 1.065 175.5
2004 1.072 175.5
2005 1.079 175.5
2006 1.086 175.6
2007 1.093 175.6
2008 1.099 175.6
2009 1.106 175.6
2010 1.113 175.6
2011 1.119 175.6
2012 1.125 175.6
2013 1.132 175.6
2014 1.138 175.7
2015 1.144 175.7
2016 1.150 175.7
2017 1.156 175.7
2018 1.162 175.7
2019 1.168 175.7
2020 1.174 175.7
2021 1.180 175.7
2022 1.185 175.8
2023 1.191 175.8
2024 1.197 175.8
2025 1.202 175.8
2026 1.208 175.8
2027 1.213 175.8
2028 1.218 175.8
2029 1.224 175.8
2030 1.229 175.9

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