01001+4443 STF  79 (164 And)

Coord 2000	01001+4443		Discov num	STF  79		Comp			Coord arcsec 2000	01 00 03.56 +44 42 47.7
Date first	1794		Date last	2018		Obs	135
Pa first	180		Pa last	195		P.A. Now (θ)	195°
Sep first	8.0		Sep last	7.9		Sep. Now (ρ)	7.9"
Mag pri	6.04		Mag sec	6.77		delta mag (ΔM)	0.73		Spectral class	B9.5V+A2V (blue-white/white)
Pri motion ra	+013		Sec motion ra	+012
Pri motion dec	-024		Sec motion dec	-024
Notes	N O T (See Notes, Orbital solution, Parallax indicates physical)

rPM=0.037 (< 0.3, Physical double) This double is physical.

Precise pa	194.5		Precise sep	7.883		Name	164 And		Constellation	Andromeda
SAO	36832		HIP	4675		Tycho2	2811-02322-1		Gaia DR2	376603455732600832
HD	5788		HR	282		ADS	824		BD	BD+43 193
Flamsteed	164 Andromedae		Flamsteed name	164 And		Distance	119.05		Distance ly	388.34
last precise pa	194.5		last precise sep	7.883

Period (P)	91.565c		Periastron (T)	8173.2y		Semi-major axis (a)	5.07a
Eccentricity (e)	0.88		Inclination (i)	38°		Longitude of periastron (ω)	324.4°
Node (Ω)	51.7°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation

label rho theta 2000 7.898 193.9 2001 7.899 193.9 2002 7.900 193.9 2003 7.901 194.0 2004 7.903 194.0 2005 7.904 194.0 2006 7.905 194.0 2007 7.906 194.0 2008 7.907 194.0 2009 7.908 194.0 2010 7.909 194.0 2011 7.910 194.0 2012 7.911 194.0 2013 7.912 194.0 2014 7.914 194.0 2015 7.915 194.0 2016 7.916 194.0 2017 7.917 194.0 2018 7.918 194.0 2019 7.919 194.0 2020 7.920 194.1 2021 7.921 194.1 2022 7.922 194.1 2023 7.923 194.1 2024 7.924 194.1 2025 7.926 194.1 2026 7.927 194.1 2027 7.928 194.1 2028 7.929 194.1 2029 7.930 194.1 2030 7.931 194.1		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	216.765c		Periastron (T)	16128.6y		Semi-major axis (a)	9a
Eccentricity (e)	0.67		Inclination (i)	67.4°		Longitude of periastron (ω)	131.5°
Node (Ω)	231.7°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation

label rho theta 2000 7.870 193.8 2001 7.871 193.8 2002 7.872 193.8 2003 7.874 193.8 2004 7.875 193.8 2005 7.876 193.8 2006 7.877 193.8 2007 7.878 193.8 2008 7.879 193.8 2009 7.880 193.9 2010 7.881 193.9 2011 7.882 193.9 2012 7.883 193.9 2013 7.884 193.9 2014 7.886 193.9 2015 7.887 193.9 2016 7.888 193.9 2017 7.889 193.9 2018 7.890 193.9 2019 7.891 193.9 2020 7.892 193.9 2021 7.893 193.9 2022 7.894 193.9 2023 7.895 193.9 2024 7.897 193.9 2025 7.898 194.0 2026 7.899 194.0 2027 7.900 194.0 2028 7.901 194.0 2029 7.902 194.0 2030 7.903 194.0		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01001+4443	STF 79		2007	110	194	7.8	6.04	6.77	B9.5V A2V	N D	010003.56+444247.7
01001+4443	STF 79		2008	112	194	7.8	6.04	6.77	B9.5V A2V	N D	010003.56+444247.7
01001+4443	STF 79		2010	115	194	7.9	6.04	6.77	B9.5V A2V	N D	010003.56+444247.7
01001+4443	STF 79		2011	117	193	7.9	6.04	6.77	B9.5V A2V	N D	010003.56+444247.7
01001+4443	STF 79		2013	121	194	7.9	6.04	6.77	B9.5V A2V	N D	010003.56+444247.7
01001+4443	STF 79		2015	125	193	8.0	6.04	6.77	B9.5V+A2V	N	010003.56+444247.7
01001+4443	STF 79		2016	130	195	7.9	6.04	6.77	B9.5V+A2V	NV	010003.56+444247.7
01001+4443	STF 79		2018	133	195	7.9	6.04	6.77	B9.5V+A2V	NV	010003.56+444247.7

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