01049+3649 A  1515

Coord 2000	01049+3649		Discov num	A  1515		Comp			Coord arcsec 2000	01 04 56.22 +36 49 23.3
Date first	1907		Date last	2008		Obs	31
Pa first	117		Pa last	303		P.A. Now (θ)	321.4°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.14"
Mag pri	9.70		Mag sec	10.00		delta mag (ΔM)	0.3		Spectral class	G0 (yellow)
Pri motion ra	+012		Sec motion ra
Pri motion dec	-015		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Precise pa	303.4		Precise sep	0.194		Cdsa2 id	A 1515		Constellation	Andromeda
SAO	54403		Tycho2	2290-00486-1		ADS	883		Ra deg	1.0822833333333333
De deg	36.82313888888889		last precise pa	303.4		last precise sep	0.194

Period (P)	170.1y	± 8	Periastron (T)	2036.97y	± 4	Semi-major axis (a)	0.237a	± 0.001
Eccentricity (e)	0.053	± 0.05	Inclination (i)	68.9°	± 1	Longitude of periastron (ω)	282.1°	± 2
Node (Ω)	111.6°	± 1	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1999

label rho theta 2000 0.225 298.2 2001 0.222 299.1 2002 0.219 299.9 2003 0.216 300.8 2004 0.212 301.8 2005 0.208 302.7 2006 0.204 303.7 2007 0.200 304.8 2008 0.195 305.9 2009 0.190 307.0 2010 0.185 308.3 2011 0.180 309.5 2012 0.175 310.9 2013 0.169 312.4 2014 0.163 313.9 2015 0.158 315.6 2016 0.152 317.4 2017 0.146 319.3 2018 0.140 321.4 2019 0.134 323.7 2020 0.128 326.2 2021 0.122 328.9 2022 0.116 332.0 2023 0.110 335.3 2024 0.105 339.0 2025 0.100 343.1 2026 0.095 347.6 2027 0.091 352.5 2028 0.087 357.9 2029 0.085 3.7 2030 0.082 9.8 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
01049+3649	A 1515		1999	29	297	0.2	9.70	10.00	G0	NO	010456.22+364923.3
01049+3649	A 1515		2007	30	306	0.2	9.70	10.00	G0	NO	010456.22+364923.3
01049+3649	A 1515		2008	31	303	0.2	9.70	10.00	G0	NO	010456.22+364923.3

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