02232-2952 BU 738 (HD 14882)

02^h 23^m 14.52^s -29° 52' 10.0" P.A. 212.00 sep 2.0 mag 7.60,7.97 Sp G1V dist. 39.02 pc (127.28 l.y.)

Coord 2000	02232-2952		Discov num	BU 738		Comp			Coord arcsec 2000	02 23 14.52 -29 52 10.0
Date first	1879		Date last	2017		Obs	95
Pa first	183		Pa last	211.6		P.A. Now (θ)	211.6°
Sep first	0.6		Sep last	2.017		Sep. Now (ρ)	2.017"
Mag pri	7.60		Mag sec	7.97		delta mag (ΔM)	0.37		Spectral class	G1V (yellow)
Pri motion ra	-084		Sec motion ra	-084
Pri motion dec	-104		Sec motion dec	-104
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 14882		Constellation	Fornax		SAO	193680		HIP	11131
Tycho2	6435-01940-1		Gaia DR2	5067926345444283648		HD	14882		GC	2876
CD	CD-30 852		CP	CP-30 287		Distance	39.02		Distance ly	127.28

ORBITAL ELEMENTS

Period (P)	555.7277y	± 133.6202	Periastron (T)	1948.1711y	± 1.5039	Semi-major axis (a)	2.18832a	± 0.27934
Eccentricity (e)	0.74482	± 0.05215	Inclination (i)	96.49°	± 0.912	Longitude of periastron (ω)	26.316°	± 4.649
Node (Ω)	29.758°	± 0.51	Notes	n		Reference	Izm2019
Equinox			Last observation	2015		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	213.0	1.572
2001	212.9	1.601
2002	212.9	1.629
2003	212.8	1.657
2004	212.7	1.685
2005	212.6	1.712
2006	212.5	1.739
2007	212.4	1.765
2008	212.4	1.792
2009	212.3	1.818
2010	212.2	1.843
2011	212.2	1.868
2012	212.1	1.893
2013	212.0	1.918
2014	212.0	1.942
2015	211.9	1.966
2016	211.8	1.990
2017	211.8	2.013
2018	211.7	2.037
2019	211.7	2.059
2020	211.6	2.082
2021	211.6	2.104
2022	211.5	2.126
2023	211.5	2.148
2024	211.4	2.170
2025	211.4	2.191
2026	211.3	2.212
2027	211.3	2.233
2028	211.2	2.253
2029	211.2	2.274
2030	211.1	2.294

grafico orbita

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

wds02232-2952b.png orbit plot

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