03401+3407 STF 425 AB (HD 22692)

03^h 40^m 07.24^s +34° 06' 59.3" P.A. 58.00 sep 1.9 mag 7.52,7.60 Sp F9V dist. 46.02 pc (150.12 l.y.)

Coord 2000	03401+3407		Discov num	STF 425		Comp	AB		Coord arcsec 2000	03 40 07.24 +34 06 59.3
Date first	1823		Date last	2018		Obs	265
Pa first	104		Pa last	58.1		P.A. Now (θ)	58.1°
Sep first	3.4		Sep last	1.879		Sep. Now (ρ)	1.879"
Mag pri	7.52		Mag sec	7.60		delta mag (ΔM)	0.08		Spectral class	F9V (yellow-white)
Pri motion ra	-075		Sec motion ra	-064
Pri motion dec	+001		Sec motion dec	+019
Notes	N O (See Notes, Orbital solution)

rPM=0.281 (< 0.3, Physical double)

This double is physical.

03401+3407 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		56613	03 40 07 +34 06 59	RBR 26 Aa,Ab	2013	1	44	0.5	5.50	9.30	3.80	Y
Show	HD 22692	56613	03 40 07 +34 06 59	STF 425 AB	2018	265	58	1.9	7.52	7.60	0.08	Y	<===

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 22692		Constellation	Perseus		SAO	56613		HIP	17129
Tycho2	2363-02172-1		Gaia DR2	218231518853187712		HD	22692		GC	4356
ADS	2668		BD	BD+33 690		Distance	46.02		Distance ly	150.12

ORBITAL ELEMENTS

Period (P)	947y	± 149	Periastron (T)	1456y	± 120	Semi-major axis (a)	2.93a	± 0.318
Eccentricity (e)	0.41	± 0.08	Inclination (i)	114.3°	± 2.4	Longitude of periastron (ω)	246°	± 12
Node (Ω)	131°	± 5.3	Notes			Reference	Kiy2018a
Equinox			Last observation	2018		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	67.5	1.830
2001	67.1	1.825
2002	66.7	1.820
2003	66.3	1.814
2004	66.0	1.809
2005	65.6	1.804
2006	65.2	1.798
2007	64.8	1.793
2008	64.5	1.788
2009	64.1	1.783
2010	63.7	1.778
2011	63.3	1.773
2012	62.9	1.768
2013	62.5	1.763
2014	62.1	1.758
2015	61.7	1.754
2016	61.3	1.749
2017	60.9	1.744
2018	60.5	1.740
2019	60.1	1.735
2020	59.7	1.731
2021	59.3	1.726
2022	58.9	1.722
2023	58.5	1.718
2024	58.1	1.713
2025	57.6	1.709
2026	57.2	1.705
2027	56.8	1.701
2028	56.4	1.697
2029	55.9	1.693
2030	55.5	1.689

grafico orbita

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

wds03401%2B3407a.png orbit plot

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