23456+1309 HJL 1116 (HD 222995)

Coord 2000	23456+1309		Discov num	HJL1116		Comp			Coord arcsec 2000	23 45 37.19 +13 09 09.5
Date first	2010		Date last	2014		Obs	9
Pa first	78		Pa last	12.5		P.A. Now (θ)	12.5°
Sep first	0.0		Sep last	0.002		Sep. Now (ρ)	0.002"
Mag pri	6.60		Mag sec	7.50		delta mag (ΔM)	0.9		Spectral class	F2 (yellow-white)
Pri motion ra	-029		Sec motion ra
Pri motion dec	-023		Sec motion dec
Notes	N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is physical.

Name	HD 222995		Constellation	Pegasus		SAO	108813		HIP	117186
Tycho2	1176-01420-1		Gaia DR2	2770028132375790976		HD	222995		BD	BD+12 5022
Distance	144.09		Distance ly	470.02

Period (P)	85.8364d	± 0.0064	Periastron (T)	56402.368d (2013.3y)	± 0.094	Semi-major axis (a)	4.677m	± 0.034
Eccentricity (e)	0.32778	± 0.00073	Inclination (i)	88.047°	± 0.043	Longitude of periastron (ω)	355.5°	± 0.34
Node (Ω)	16.942°	± 0.047	Notes	n		Reference	HJL2020
Equinox			Last observation			Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 196.1 0.006 2001-01-01 198.0 0.005 2002-01-01 13.3 0.002 2003-01-01 177.6 2004-01-01 196.3 0.006 2005-01-01 198.2 0.005 2006-01-01 14.7 0.002 2007-01-01 188.5 0.001 2008-01-01 196.4 0.006 2009-01-01 198.5 0.004 2010-01-01 15.6 0.003 2011-01-01 191.5 0.002 2012-01-01 196.6 0.006 2013-01-01 198.8 0.004 2014-01-01 16.2 0.003 2015-01-01 192.9 0.002 2016-01-01 196.7 0.006 2017-01-01 199.2 0.003 2018-01-01 16.8 0.003 2019-01-01 193.8 0.003 2020-01-01 196.8 0.006 2021-01-01 199.7 0.003 2022-01-01 17.3 0.003 2023-01-01 194.4 0.003 2024-01-01 197.0 0.006 2025-01-01 200.4 0.002 2026-01-01 17.8 0.003 2027-01-01 194.8 0.004 2028-01-01 197.1 0.006 2029-01-01 201.6 0.002 2030-01-01 18.5 0.003		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic