00360+2959 STF 42 AB (HD 3266)

00^h 36^m 02.39^s +29° 59' 34.2" P.A. 21.00 sep 6.0 mag 8.39,9.05 Sp G2V+G7V dist. 57.77 pc (188.45 l.y.)

Coord 2000	00360+2959		Discov num	STF 42		Comp	AB		Coord arcsec 2000	00 36 02.39 +29 59 34.2
Date first	1824		Date last	2020		Obs	152
Pa first	34		Pa last	20.8		P.A. Now (θ)	20.8°
Sep first	6.6		Sep last	6.037		Sep. Now (ρ)	6.037"
Mag pri	8.39		Mag sec	9.05		delta mag (ΔM)	0.66		Spectral class	G2V+G7V (yellow/yellow)
Pri motion ra	+186		Sec motion ra	+181
Pri motion dec	-408		Sec motion dec	-399
Notes	N O (See Notes, Orbital solution)

rPM=0.023 (< 0.3, Physical double)

This double is physical.

00360+2959 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 3266	74132	00 36 02 +29 59 34	STF 42 AB	2020	152	21	6.0	8.39	9.05	0.66	Y	<===
Show		74132	00 36 02 +29 59 34	STF 42 AC	2016	38	288	36.8	8.39	11.55	3.16
Show			00 36 03 +29 59 41	STF 42 BC	2016	12	279	37.6	9.05	11.55	2.50

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 3266		Constellation	Andromeda		SAO	74132		HIP	2844
Tycho2	1744-00173-1		Gaia DR2	2858460959243777408		HD	3266		GC	709
ADS	497		BD	BD+29 105		Distance	57.77		Distance ly	188.45

ORBITAL ELEMENTS SOLUTION #1

Period (P)	1900y	± 190	Periastron (T)	1384y	± 32	Semi-major axis (a)	4.5a	± 0.3
Eccentricity (e)	0.53	± 0.07	Inclination (i)	155°	± 9	Longitude of periastron (ω)	206°	± 8
Node (Ω)	23°	± 2	Notes	n		Reference	Kis2009
Equinox			Last observation	2000		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	21.6	6.253
2001	21.5	6.256
2002	21.4	6.260
2003	21.4	6.264
2004	21.3	6.268
2005	21.2	6.271
2006	21.1	6.275
2007	21.1	6.279
2008	21.0	6.283
2009	20.9	6.286
2010	20.8	6.290
2011	20.8	6.294
2012	20.7	6.297
2013	20.6	6.301
2014	20.5	6.304
2015	20.5	6.308
2016	20.4	6.312
2017	20.3	6.315
2018	20.2	6.319
2019	20.2	6.322
2020	20.1	6.326
2021	20.0	6.329
2022	20.0	6.333
2023	19.9	6.336
2024	19.8	6.340
2025	19.7	6.343
2026	19.7	6.347
2027	19.6	6.350
2028	19.5	6.353
2029	19.4	6.357
2030	19.4	6.360

grafico orbita

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

wds00360%2B2959a.png orbit plot

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

ORBITAL ELEMENTS SOLUTION #2

Period (P)	4282.1595y	± 2333.3661	Periastron (T)	1514.2196y	± 760.9782	Semi-major axis (a)	12.58885a	± 6.47845
Eccentricity (e)	0.87571	± 0.15322	Inclination (i)	114.334°	± 15.816	Longitude of periastron (ω)	282.011°	± 19.883
Node (Ω)	76.522°	± 96.681	Notes	n		Reference	Izm2019
Equinox			Last observation	2015		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	22.0	6.207
2001	22.0	6.211
2002	21.9	6.214
2003	21.8	6.218
2004	21.7	6.222
2005	21.7	6.225
2006	21.6	6.229
2007	21.5	6.233
2008	21.5	6.236
2009	21.4	6.240
2010	21.3	6.244
2011	21.3	6.247
2012	21.2	6.251
2013	21.1	6.254
2014	21.1	6.258
2015	21.0	6.262
2016	20.9	6.265
2017	20.9	6.269
2018	20.8	6.273
2019	20.7	6.276
2020	20.7	6.280
2021	20.6	6.283
2022	20.5	6.287
2023	20.5	6.291
2024	20.4	6.294
2025	20.3	6.298
2026	20.3	6.301
2027	20.2	6.305
2028	20.1	6.308
2029	20.1	6.312
2030	20.0	6.316

grafico orbita

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

wds00360%2B2959b.png orbit plot

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