01461+6349 STF 148

Coord 2000	01461+6349		Discov num	STF 148		Comp			Coord arcsec 2000	01 46 05.45 +63 48 55.8
Date first	1828		Date last	2008		Obs	38
Pa first	123		Pa last	192		P.A. Now (θ)	315.5°
Sep first	1.5		Sep last	0.1		Sep. Now (ρ)	0.31"
Mag pri	9.00		Mag sec	9.60		delta mag (ΔM)	0.6		Spectral class	G2V (yellow)
Pri motion ra	+053		Sec motion ra
Pri motion dec	-030		Sec motion dec
Notes	O (Orbital solution)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	191.7		Precise sep	0.123		Constellation	Cassiopeia		SAO	11966
Tycho2	4040-00036-1		Gaia DR2	4168822656		HD	10663		ADS	1380
last precise pa	191.7		last precise sep	0.123

Period (P)	625.27y	± 20.06	Periastron (T)	2013.18y	± 17.99	Semi-major axis (a)	1.081a	± 0.158
Eccentricity (e)	0.689	± 0.048	Inclination (i)	67.6°	± 1.2	Longitude of periastron (ω)	121.6°	± 3.6
Node (Ω)	147.9°	± 0.9	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1997

label rho theta 2000 0.193 195.5 2001 0.178 200.9 2002 0.164 207.3 2003 0.153 214.7 2004 0.144 223.2 2005 0.138 232.6 2006 0.136 242.5 2007 0.137 252.5 2008 0.143 262.0 2009 0.151 270.7 2010 0.162 278.3 2011 0.175 284.9 2012 0.189 290.5 2013 0.204 295.3 2014 0.220 299.5 2015 0.236 303.0 2016 0.252 306.2 2017 0.268 308.9 2018 0.284 311.3 2019 0.299 313.5 2020 0.314 315.5 2021 0.328 317.3 2022 0.341 319.0 2023 0.354 320.5 2024 0.366 321.9 2025 0.378 323.3 2026 0.389 324.6 2027 0.399 325.8 2028 0.409 326.9 2029 0.418 328.0 2030 0.426 329.0 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
01461+6349	STF 148		1997	36	181	0.2	9.00	9.60	G2V		014605.45+634855.8
01461+6349	STF 148		2008	38	192	0.1	9.00	9.60	G2V		014605.45+634855.8

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