00357+3429 HU 1011

Coord 2000	00357+3429		Discov num	HU 1011		Comp			Coord arcsec 2000	00 35 39.48 +34 28 46.6
Date first	1904		Date last	2011		Obs	25
Pa first	132		Pa last	89		P.A. Now (θ)	88.1°
Sep first	0.4		Sep last	0.3		Sep. Now (ρ)	0.42"
Mag pri	8.43		Mag sec	9.78		delta mag (ΔM)	1.35		Spectral class	A2 (white)
Pri motion ra	+047		Sec motion ra
Pri motion dec	+001		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

Precise pa	88.7		Precise sep	0.32		Constellation	Andromeda		SAO	54008
HIP	2801		Tycho2	2270-01049-1		Gaia DR2	5134636416		HD	3212
ADS	492		BD	BD+33 75		Distance	162.07		Distance ly	528.67
last precise pa	88.7		last precise sep	0.32

Period (P)	473.78y		Periastron (T)	2278.94y		Semi-major axis (a)	0.387a
Eccentricity (e)	0.479		Inclination (i)	134.6°		Longitude of periastron (ω)	260.9°
Node (Ω)	155.7°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1997

label rho theta 2000 0.420 95.8 2001 0.420 95.4 2002 0.420 95.0 2003 0.419 94.6 2004 0.419 94.2 2005 0.419 93.8 2006 0.419 93.4 2007 0.418 93.0 2008 0.418 92.6 2009 0.418 92.2 2010 0.417 91.8 2011 0.417 91.4 2012 0.417 91.0 2013 0.417 90.6 2014 0.416 90.2 2015 0.416 89.8 2016 0.416 89.3 2017 0.415 88.9 2018 0.415 88.5 2019 0.415 88.1 2020 0.414 87.7 2021 0.414 87.3 2022 0.414 86.9 2023 0.413 86.5 2024 0.413 86.1 2025 0.413 85.7 2026 0.412 85.3 2027 0.412 84.8 2028 0.412 84.4 2029 0.411 84.0 2030 0.411 83.6 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
00357+3429	HU 1011		1999	23	92	0.4	8.43	9.78	A2	OD	003539.48+342846.6
00357+3429	HU 1011		2007	24	87	0.4	8.43	9.78	A2	OD	003539.48+342846.6
00357+3429	HU 1011		2011	25	89	0.3	8.43	9.78	A2	O	003539.48+342846.6

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