00014+3937 HLD  60

Coord 2000	00014+3937		Discov num	HLD  60		Comp			Coord arcsec 2000	00 01 23.67 +39 36 38.2
Date first	1881		Date last	2016		Obs	147
Pa first	124		Pa last	167		P.A. Now (θ)	166.1°
Sep first	0.6		Sep last	1.3		Sep. Now (ρ)	1.31"
Mag pri	9.09		Mag sec	9.77		delta mag (ΔM)	0.68		Spectral class	K0V+K1V (yellow-orange/yellow-orange)
Pri motion ra	-030		Sec motion ra	-030
Pri motion dec	-048		Sec motion dec	-048
Notes	N O (See Notes, Orbital solution)

rPM=0.862 This double is physical.

Tycho2

3664-00322-1

last precise pa

166.6

last precise sep

1.34

Period (P)	223.2y	± 12.2	Periastron (T)	1903.08y	± 1.28	Semi-major axis (a)	0.8798a	± 0.0039
Eccentricity (e)	0.6479	± 0.0123	Inclination (i)	128.3°	± 2.8	Longitude of periastron (ω)	325.7°	± 3.8
Node (Ω)	324.7°	± 2.2	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2009

label rho theta 2000 1.228 173.0 2001 1.234 172.6 2002 1.240 172.2 2003 1.245 171.9 2004 1.251 171.5 2005 1.257 171.1 2006 1.262 170.7 2007 1.267 170.4 2008 1.272 170.0 2009 1.277 169.6 2010 1.281 169.3 2011 1.286 168.9 2012 1.290 168.6 2013 1.294 168.2 2014 1.298 167.9 2015 1.302 167.5 2016 1.305 167.2 2017 1.308 166.8 2018 1.311 166.5 2019 1.314 166.1 2020 1.317 165.8 2021 1.320 165.4 2022 1.322 165.1 2023 1.324 164.8 2024 1.326 164.4 2025 1.328 164.1 2026 1.330 163.8 2027 1.331 163.4 2028 1.332 163.1 2029 1.334 162.8 2030 1.334 162.4 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
00014+3937	HLD 60		2006	135	170	1.3	9.09	9.77	K0V K1V	NOD	000123.67+393638.2
00014+3937	HLD 60		2008	138	169	1.3	9.09	9.77	K0V K1V	NOD	000123.67+393638.2
00014+3937	HLD 60		2009	139	169	1.3	9.09	9.77	K0V K1V	NOD	000123.67+393638.2
00014+3937	HLD 60		2012	140	167	1.3	9.09	9.77	K0V K1V	NO	000123.67+393638.2
00014+3937	HLD 60		2013	141	167	1.3	9.09	9.77	K0V+K1V	NO	000123.67+393638.2
00014+3937	HLD 60		2015	141	167	1.2	9.09	9.77	K0V+K1V	NO	000123.67+393638.2
00014+3937	HLD 60		2016	143	167	1.3	9.09	9.77	K0V+K1V	NO	000123.67+393638.2

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