00024+1047 A 1249 AB

Coord 2000	00024+1047		Discov num	A  1249		Comp	AB		Coord arcsec 2000	00 02 25.33 +10 46 35.9
Date first	1905		Date last	2017		Obs	33
Pa first	240		Pa last	246.4		P.A. Now (θ)	246.4°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	9.91		Mag sec	9.37		delta mag (ΔM)	0.54		Spectral class	G0 (yellow)
Pri motion ra	-040		Sec motion ra
Pri motion dec	-118		Sec motion dec
Notes	N O Z (See Notes, Orbital solution, Parallax indicates components are physical)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		108976	00 02 25 +10 46 36	A 1249 AB	2017	33	246	0.3	9.91	9.37	0.54	Y	<===
Show	HD 224984	108976	00 02 25 +10 46 36	BGH 1 AB,C	2014	19	301	63.4	8.80	8.55	0.25

Triple system
4 estimated visually detectable stars in this system

Constellation	Pegasus		SAO	108976		HIP	190		Tycho2	0597-00601-1
Gaia DR2	2765432581794718720		HD	224994		ADS	17180		BD	BD+09 5314
Distance	87.49		Distance ly	285.39

Period (P)	129.72y		Periastron (T)	1989.44y		Semi-major axis (a)	0.366a
Eccentricity (e)	0.046		Inclination (i)	97.2°		Longitude of periastron (ω)	231.4°
Node (Ω)	239.4°		Notes	n		Reference	Zir2003
Equinox	2000		Last observation	1995		Grade	4	(1=Definitive, 9=Indet.)

label theta rho 2000 12.0 0.059 2001 355.9 0.049 2002 334.0 0.044 2003 310.9 0.047 2004 292.5 0.055 2005 279.9 0.068 2006 271.5 0.082 2007 265.7 0.098 2008 261.5 0.113 2009 258.3 0.130 2010 255.8 0.146 2011 253.9 0.162 2012 252.2 0.177 2013 250.9 0.193 2014 249.7 0.208 2015 248.7 0.222 2016 247.8 0.236 2017 247.0 0.250 2018 246.3 0.263 2019 245.7 0.275 2020 245.1 0.287 2021 244.6 0.298 2022 244.0 0.309 2023 243.6 0.319 2024 243.1 0.328 2025 242.7 0.336 2026 242.3 0.343 2027 241.9 0.350 2028 241.5 0.356 2029 241.2 0.362 2030 240.8 0.366		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic