00014+3937 HLD 60 (HD 224873)

00^h 01^m 23.67^s +39° 36' 38.2" P.A. 166.00 sep 1.4 mag 9.09,9.77 Sp K0V+K1V dist. 49.63 pc (161.89 l.y.)

Coord 2000	00014+3937		Discov num	HLD 60		Comp			Coord arcsec 2000	00 01 23.67 +39 36 38.2
Date first	1881		Date last	2020		Obs	157
Pa first	124		Pa last	165.6		P.A. Now (θ)	164.4°
Sep first	0.6		Sep last	1.359		Sep. Now (ρ)	1.332"
Mag pri	9.09		Mag sec	9.77		delta mag (ΔM)	0.68		Spectral class	K0V+K1V (yellow-orange/yellow-orange)
Pri motion ra	-030		Sec motion ra	-030
Pri motion dec	-048		Sec motion dec	-048
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 224873		Constellation	Andromeda		SAO	73690		HIP	110
Tycho2	2785-00116-1		Gaia DR2	2881804450094712192		HD	224873		ADS	17178
BD	BD+38 5112		Distance	49.63		Distance ly	161.89

ORBITAL ELEMENTS

Period (P)	217.2694y	± 16.5701	Periastron (T)	1903.2511y	± 1.6226	Semi-major axis (a)	0.87865a	± 0.0175
Eccentricity (e)	0.63041	± 0.01456	Inclination (i)	128.05°	± 4.231	Longitude of periastron (ω)	148.186°	± 5.431
Node (Ω)	147.353°	± 2.957	Notes	n		Reference	Izm2019
Equinox			Last observation	2015		Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	172.7	1.246
2001	172.4	1.251
2002	172.0	1.257
2003	171.6	1.263
2004	171.2	1.268
2005	170.8	1.273
2006	170.4	1.278
2007	170.1	1.283
2008	169.7	1.287
2009	169.3	1.292
2010	169.0	1.296
2011	168.6	1.300
2012	168.2	1.304
2013	167.9	1.307
2014	167.5	1.311
2015	167.2	1.314
2016	166.8	1.317
2017	166.5	1.320
2018	166.1	1.322
2019	165.8	1.324
2020	165.4	1.327
2021	165.1	1.329
2022	164.7	1.330
2023	164.4	1.332
2024	164.0	1.333
2025	163.7	1.334
2026	163.3	1.335
2027	163.0	1.336
2028	162.7	1.336
2029	162.3	1.336
2030	162.0	1.336

grafico orbita

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

wds00014%2B3937e.png orbit plot

Measures: green=micrometric, blue=interferometric, purple=photographic