01112+4113 A   655

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)	2.3°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.27"
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.

Precise pa	353.9		Precise sep	0.33		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

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			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1995

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.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01112+4113	A 655		2003	59	340	0.3	8.35	9.36	G5	NOD	011114.56+411317.3
01112+4113	A 655		2007	61	348	0.3	8.35	9.36	G5	NOD	011114.56+411317.3
01112+4113	A 655		2010	63	354	0.3	8.35	9.36	G5	NOD	011114.56+411317.3

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