00335+4006 HO    3

Coord 2000	00335+4006		Discov num	HO    3		Comp			Coord arcsec 2000	00 33 29.97 +40 06 20.2
Date first	1885		Date last	2012		Obs	23
Pa first	121		Pa last	151		P.A. Now (θ)	138.4°
Sep first	0.5		Sep last	0.3		Sep. Now (ρ)	0.39"
Mag pri	8.09		Mag sec	9.72		delta mag (ΔM)	1.63		Spectral class	F8 (yellow-white)
Pri motion ra	-004		Sec motion ra
Pri motion dec	+002		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Precise pa	150.5		Precise sep	0.32		Constellation	Andromeda		SAO	53983
HIP	2643		Tycho2	2788-00743-1		HD	2993		ADS	463
BD	BD+39 115		Distance	57.05		Distance ly	186.1		last precise pa	150.5
last precise sep	0.32

Period (P)	0.27595y	± 0.00002	Periastron (T)	1997.162y	± 0.0012	Semi-major axis (a)
Eccentricity (e)	0.1986	± 0.0073	Inclination (i)	°		Longitude of periastron (ω)	113.4°	± 1.7
Node (Ω)	°		Note			Grade	7	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation

label rho theta 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Period (P)	4.849y	± 0.02	Periastron (T)	1994.927y	± 0.01	Semi-major axis (a)	0.058a
Eccentricity (e)	0.138	± 0.028	Inclination (i)	94°	± 8.2	Longitude of periastron (ω)	132.3°	± 7.67
Node (Ω)	100.7°	± 7.9	Note			Grade	9	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation

label rho theta 2000 0.045 282.6 2001 0.031 274.1 2002 0.034 107.4 2003 0.063 100.8 2004 0.016 87.8 2005 0.050 281.5 2006 0.022 270.3 2007 0.042 105.5 2008 0.061 100.1 2009 0.005 51.3 2010 0.052 280.5 2011 0.013 260.8 2012 0.049 104.3 2013 0.057 99.3 2014 0.010 300.9 2015 0.052 279.5 2016 0.005 210.1 2017 0.055 103.3 2018 0.051 98.4 2019 0.022 289.1 2020 0.048 278.5 2021 0.010 127.7 2022 0.059 102.5 2023 0.043 97.3 2024 0.032 285.4 2025 0.043 277.3 2026 0.019 113.8 2027 0.062 101.8 2028 0.034 95.5 2029 0.041 283.5 2030 0.036 275.6 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	70.34y	± 1.36	Periastron (T)	1983.62y	± 0.6	Semi-major axis (a)	0.393a	± 0.02
Eccentricity (e)	0.331	± 0.032	Inclination (i)	112.3°	± 0.9	Longitude of periastron (ω)	137.8°	± 2.7
Node (Ω)	118.9°	± 0.5	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2012

label rho theta 2000 0.178 237.3 2001 0.172 228.0 2002 0.169 218.2 2003 0.171 208.4 2004 0.177 199.0 2005 0.186 190.3 2006 0.198 182.6 2007 0.212 175.9 2008 0.228 170.0 2009 0.245 164.9 2010 0.263 160.5 2011 0.281 156.7 2012 0.299 153.3 2013 0.317 150.4 2014 0.335 147.7 2015 0.352 145.3 2016 0.368 143.1 2017 0.384 141.1 2018 0.399 139.3 2019 0.413 137.5 2020 0.425 135.9 2021 0.437 134.4 2022 0.447 133.0 2023 0.457 131.6 2024 0.465 130.2 2025 0.471 128.9 2026 0.476 127.7 2027 0.479 126.4 2028 0.481 125.2 2029 0.481 124.0 2030 0.480 122.8 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
00335+4006	HO 3		1996	19	261	0.2	8.09	9.72	F8	NO	003329.97+400620.2
00335+4006	HO 3		2007	20	167	0.2	8.09	9.72	F8	NO	003329.97+400620.2
00335+4006	HO 3		2008	22	161	0.3	8.09	9.72	F8	NO	003329.97+400620.2
00335+4006	HO 3		2012	23	151	0.3	8.09	9.72	F8	NO	003329.97+400620.2

If you need more information about this double, apply for a data request form to the WDS.