00360+2959 STF 42 AB (HD 3266)

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.

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

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

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 2031 19.3 6.364 2032 19.2 6.367 2033 19.1 6.370 2034 19.1 6.374 2035 19.0 6.377 2036 18.9 6.380 2037 18.9 6.383 2038 18.8 6.387 2039 18.7 6.390 2040 18.6 6.393 2041 18.6 6.396 2042 18.5 6.400 2043 18.4 6.403 2044 18.4 6.406 2045 18.3 6.409 2046 18.2 6.412 2047 18.1 6.415 2048 18.1 6.418 2049 18.0 6.422 2050 17.9 6.425		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

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 2031 19.9 6.319 2032 19.9 6.323 2033 19.8 6.326 2034 19.7 6.330 2035 19.7 6.333 2036 19.6 6.337 2037 19.5 6.340 2038 19.5 6.344 2039 19.4 6.348 2040 19.3 6.351 2041 19.3 6.355 2042 19.2 6.358 2043 19.1 6.362 2044 19.1 6.365 2045 19.0 6.369 2046 18.9 6.372 2047 18.9 6.376 2048 18.8 6.379 2049 18.7 6.383 2050 18.7 6.386		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic