01078+0425 BU 1292

Coord 2000	01078+0425		Discov num	BU 1292		Comp			Coord arcsec 2000	01 07 46.41 +04 24 52.0
Date first	1901		Date last	2013		Obs	15
Pa first	24		Pa last	228		P.A. Now (θ)	224.2°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.24"
Mag pri	9.87		Mag sec	10.61		delta mag (ΔM)	0.74		Spectral class	F5 (yellow-white)
Pri motion ra	-012		Sec motion ra
Pri motion dec	-039		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

Precise pa	227.9		Precise sep	0.255		Constellation	Pisces		HIP	5297
Tycho2	0022-00615-1		Gaia DR2	97104309376		HD	6698		ADS	929
BD	BD+03 161		Distance	321.54		Distance ly	1048.86		last precise pa	227.9
last precise sep	0.255

Period (P)	285.3y		Periastron (T)	2020.7y		Semi-major axis (a)	0.309a
Eccentricity (e)	0.214		Inclination (i)	139.2°		Longitude of periastron (ω)	194.8°
Node (Ω)	52.9°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2012

label rho theta 2000 0.243 252.6 2001 0.244 251.1 2002 0.244 249.6 2003 0.244 248.1 2004 0.245 246.6 2005 0.245 245.1 2006 0.245 243.7 2007 0.245 242.2 2008 0.245 240.7 2009 0.245 239.2 2010 0.245 237.7 2011 0.245 236.3 2012 0.245 234.8 2013 0.244 233.3 2014 0.244 231.8 2015 0.244 230.3 2016 0.243 228.8 2017 0.242 227.3 2018 0.242 225.7 2019 0.241 224.2 2020 0.240 222.7 2021 0.239 221.1 2022 0.238 219.6 2023 0.237 218.0 2024 0.236 216.4 2025 0.235 214.8 2026 0.234 213.2 2027 0.233 211.5 2028 0.231 209.9 2029 0.230 208.2 2030 0.229 206.5 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
01078+0425	BU 1292		1992	14	266	0.2	9.87	10.61	F5		010746.41+042452.0
01078+0425	BU 1292		2013	15	228	0.3	9.87	10.61	F5	O	010746.41+042452.0

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