01112+4113 A   655

 
 
01H 11M 14.56S +41 13' 17.3" P.A. 0.2 SEP 0.28 MAG 8.35,9.36 SP G5 DIST. 116.28 PC (379.31 L.Y.)
 
 
Coord 2000
01112+4113
Discov num
A   655
Comp
Coord arcsec 2000
01 11 14.56 +41 13 17.3
Date first
1904
Date last
2010
Obs
63
Pa first
145
Pa last
354
P.A. Now (θ)
0.2°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
8.35
Mag sec
9.36
delta mag (ΔM)
1.01
Spectral class
G5 (yellow)
Pri motion ra
+054
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
37001
HIP
5553
Tycho2
2804-00925-1
HD
7018
ADS
974
BD
BD+40 235
Distance
116.28
Distance ly
379.31
last precise pa
353.9
last precise sep
0.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)153.09y± 4.78 Periastron (T)2040.77y± 2.97 Semi-major axis (a)0.338a± 0.007
Eccentricity (e)0.185± 0.012 Inclination (i)53.1°± 0.8 Longitude of periastron (ω)290.5°± 5.3
Node (Ω)157.5°± 1.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.354 334.2
2001 0.353 335.4
2002 0.350 336.7
2003 0.348 338.0
2004 0.345 339.3
2005 0.342 340.7
2006 0.339 342.0
2007 0.335 343.4
2008 0.331 344.9
2009 0.326 346.3
2010 0.321 347.9
2011 0.316 349.4
2012 0.310 351.0
2013 0.304 352.7
2014 0.298 354.5
2015 0.292 356.3
2016 0.285 358.2
2017 0.278 0.2
2018 0.270 2.3
2019 0.263 4.5
2020 0.255 6.9
2021 0.247 9.4
2022 0.239 12.1
2023 0.231 15.0
2024 0.223 18.0
2025 0.216 21.3
2026 0.208 24.9
2027 0.201 28.6
2028 0.194 32.7
2029 0.188 37.1
2030 0.182 41.7

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