03484+5202 HU 546 (HD 23524)

03^h 48^m 23.00^s +52° 02' 16.3" sep 0.3 mag 9.54,9.53 Sp G6IV dist. 51.68 pc (168.58 l.y.)

Coord 2000	03484+5202		Discov num	HU 546		Comp			Coord arcsec 2000	03 48 23.00 +52 02 16.3
Date first	1900		Date last	2016		Obs	46
Pa first	72		Pa last	359.6		P.A. Now (θ)	332.9°
Sep first	0.2		Sep last	0.331		Sep. Now (ρ)	0.319"
Mag pri	9.54		Mag sec	9.53		delta mag (ΔM)	0.01		Spectral class	G6IV (yellow)
Pri motion ra	+056		Sec motion ra	+056
Pri motion dec	-073		Sec motion dec	-073
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 23524		Constellation	Perseus		SAO	24232		HIP	17782
Tycho2	3338-01111-1		Gaia DR2	251582210491180160		HD	23524		ADS	2768
BD	BD+51 777		Distance	51.68		Distance ly	168.58

ORBITAL ELEMENTS

Period (P)	69.37y	± 0.49	Periastron (T)	1973.87y	± 0.95	Semi-major axis (a)	0.344a	± 0.005
Eccentricity (e)	0.173	± 0.012	Inclination (i)	148.2°	± 2.9	Longitude of periastron (ω)	51.3°	± 8.1
Node (Ω)	264.3°	± 4.6	Notes	n		Reference	Hrt2009
Equinox			Last observation	2007		Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	68.1	0.385
2001	64.7	0.385
2002	61.2	0.385
2003	57.7	0.384
2004	54.2	0.382
2005	50.7	0.380
2006	47.1	0.377
2007	43.4	0.374
2008	39.7	0.370
2009	35.9	0.366
2010	32.0	0.362
2011	28.1	0.358
2012	24.0	0.353
2013	19.8	0.349
2014	15.6	0.345
2015	11.2	0.341
2016	6.7	0.337
2017	2.1	0.333
2018	357.4	0.330
2019	352.7	0.327
2020	347.8	0.324
2021	342.9	0.322
2022	337.9	0.320
2023	332.9	0.319
2024	327.8	0.318
2025	322.7	0.317
2026	317.6	0.317
2027	312.5	0.316
2028	307.3	0.316
2029	302.2	0.315
2030	297.0	0.315

grafico orbita

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

wds03484%2B5202a.png orbit plot

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