00167+3629 STT   4

 
 
00H 16M 44.54S +36 29' 29.4" P.A. 11.6 SEP 0.15 MAG 7.94,9.88 SP G0 DIST. 78 PC (254.44 L.Y.)
 
 
Coord 2000
00167+3629
Discov num
STT   4
Comp
Coord arcsec 2000
00 16 44.54 +36 29 29.4
Date first
1845
Date last
2007
Obs
155
Pa first
201
Pa last
103
P.A. Now (θ)
11.6°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.15"
Mag pri
7.94
Mag sec
9.88
delta mag (ΔM)
1.94
Spectral class
G0 (yellow)
Pri motion ra
+093
Sec motion ra
+093
Pri motion dec
+053
Sec motion dec
+053
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
53773
HIP
1336
Tycho2
2272-01489-1
HD
1224
ADS
221
BD
BD+35 34
Distance
78
Distance ly
254.44
last precise pa
102.7
last precise sep
0.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)108.9y Periastron (T)1907.9y Semi-major axis (a)0.35a
Eccentricity (e)0.56 Inclination (i)162.5° Longitude of periastron (ω)356.3°
Node (Ω)10.8° Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation1999
label rho theta
2000 0.331 137.8
2001 0.319 134.8
2002 0.307 131.5
2003 0.294 128.0
2004 0.281 124.1
2005 0.268 119.9
2006 0.255 115.2
2007 0.241 110.0
2008 0.228 104.2
2009 0.215 97.7
2010 0.203 90.3
2011 0.191 82.0
2012 0.180 72.7
2013 0.171 62.3
2014 0.163 50.7
2015 0.158 38.3
2016 0.155 25.1
2017 0.154 11.6
2018 0.156 358.3
2019 0.160 345.5
2020 0.167 333.5
2021 0.175 322.5
2022 0.185 312.7
2023 0.196 303.8
2024 0.208 296.0
2025 0.220 289.0
2026 0.233 282.8
2027 0.246 277.2
2028 0.259 272.2
2029 0.272 267.7
2030 0.285 263.5

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