00416+2438 WRH  28

 
 
00H 41M 35.98S +24 37' 44.6" P.A. 124.5 SEP 0.11 MAG 6.06, SP A7M DIST. 126.74 PC (413.43 L.Y.)
 
 
Coord 2000
00416+2438
Discov num
WRH  28
Comp
Coord arcsec 2000
00 41 35.98 +24 37 44.6
Date first
1980
Date last
2005
Obs
6
Pa first
179
Pa last
302
P.A. Now (θ)
124.5°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
6.06
Mag sec
delta mag (ΔM)
Spectral class
A7m (white)
Pri motion ra
+107
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
74200
HIP
3269
Tycho2
1738-01977-1
HD
3883
HR
178
BD
BD+23 94
Distance
126.74
Distance ly
413.43
last precise pa
302.1
last precise sep
0.066
 
 
ORBITAL ELEMENTS
 
 
Period (P)21.26y± 0.94 Periastron (T)1993.02y± 0.56 Semi-major axis (a)0.126a± 0.006
Eccentricity (e)0.5± 0.04 Inclination (i)33.4°± 3.6 Longitude of periastron (ω)230.5°± 8
Node (Ω)145.7°± 6.7 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1988
label rho theta
2000 0.168 167.2
2001 0.172 173.9
2002 0.174 180.3
2003 0.173 186.8
2004 0.170 193.4
2005 0.164 200.4
2006 0.157 207.8
2007 0.149 216.1
2008 0.139 225.5
2009 0.128 236.5
2010 0.116 249.6
2011 0.104 265.8
2012 0.091 286.3
2013 0.077 313.8
2014 0.061 355.3
2015 0.057 56.3
2016 0.079 101.2
2017 0.105 124.5
2018 0.127 138.9
2019 0.145 149.4
2020 0.157 157.9
2021 0.166 165.3
2022 0.171 172.2
2023 0.174 178.7
2024 0.173 185.1
2025 0.171 191.7
2026 0.166 198.5
2027 0.159 205.8
2028 0.151 213.9
2029 0.141 223.0
2030 0.131 233.5

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