00015+3044 HO  208

Coord 2000	00015+3044		Discov num	HO  208		Comp			Coord arcsec 2000	00 01 29.19 +30 44 08.7
Date first	1884		Date last	2016		Obs	40
Pa first	236		Pa last	186		P.A. Now (θ)	185.7°
Sep first	0.7		Sep last	1.1		Sep. Now (ρ)	1.02"
Mag pri	8.20		Mag sec	9.81		delta mag (ΔM)	1.61		Spectral class	G0IV (yellow)
Pri motion ra	-010		Sec motion ra	-010
Pri motion dec	-040		Sec motion dec	-040
Notes	O (Orbital solution)

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

Precise pa	185.6		Precise sep	1.108		Constellation	Pegasus		SAO	73691
HIP	114		Tycho2	2259-01286-1		Gaia DR2	45368401792		HD	224882
ADS	17167		BD	BD+29 5046		Distance	117.79		Distance ly	384.23
last precise pa	185.6		last precise sep	1.108

Period (P)	649.641y	± 319.4783	Periastron (T)	2054.9367y	± 19.0547	Semi-major axis (a)	2.20987a	± 1.67551
Eccentricity (e)	0.77651	± 0.18187	Inclination (i)	103.903°	± 8.166	Longitude of periastron (ω)	76.124°	± 12.674
Node (Ω)	175.491°	± 5.153	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2015

label rho theta 2000 1.086 193.0 2001 1.086 192.6 2002 1.085 192.3 2003 1.084 191.9 2004 1.082 191.6 2005 1.081 191.2 2006 1.079 190.9 2007 1.077 190.5 2008 1.075 190.2 2009 1.072 189.8 2010 1.070 189.5 2011 1.067 189.1 2012 1.063 188.7 2013 1.060 188.4 2014 1.056 188.0 2015 1.051 187.6 2016 1.047 187.3 2017 1.042 186.9 2018 1.036 186.5 2019 1.030 186.1 2020 1.024 185.7 2021 1.017 185.3 2022 1.010 184.9 2023 1.002 184.5 2024 0.994 184.1 2025 0.985 183.7 2026 0.976 183.3 2027 0.965 182.8 2028 0.954 182.4 2029 0.943 181.9 2030 0.930 181.5 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
00015+3044	HO 208		2002	33	191	1.1	8.20	9.81	G0IV	D	000129.19+304408.7
00015+3044	HO 208		2009	34	188	1.2	8.20	9.81	G0IV	D	000129.19+304408.7
00015+3044	HO 208		2013	38	187	1.0	8.20	9.81	G0IV		000129.19+304408.7
00015+3044	HO 208		2015	39	186	1.1	8.20	9.81	G0IV		000129.19+304408.7
00015+3044	HO 208		2016	40	186	1.1	8.20	9.81	G0IV	O	000129.19+304408.7

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