00153+4412 A  1256AB (V348 And)

Coord 2000	00153+4412		Discov num	A  1256		Comp	AB		Coord arcsec 2000	00 15 17.83 +44 12 12.2
Date first	1906		Date last	1999		Obs	61
Pa first	4		Pa last	223		P.A. Now (θ)	247°
Sep first	0.1		Sep last	0.0		Sep. Now (ρ)	0.19"
Mag pri	7.30		Mag sec	7.50		delta mag (ΔM)	0.2		Spectral class	B9IV (blue-white)
Pri motion ra	+010		Sec motion ra
Pri motion dec	-007		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V348 And		00153+4412	A 1256	AB	1906	1999	61	247	0.2	7.30	7.50	0.20	Y	<===
Show			00153+4412	A 1256	AB,C	1906	2002	5	343	19.5	6.76	13.00	6.24
Show			00153+4412	A 1256	AB,D	1906	2002	4	134	25.6	6.76	14.50	7.74

Quadruple system
5 visible stars in this system

Precise pa	222.8		Precise sep	0.038		Var name	V348 And		Constellation	Andromeda
SAO	36202		HIP	1233		Tycho2	2794-01375-1		Gaia DR2	1580235136
HD	1082		ADS	197		BD	BD+43 33		Distance	331.13
Distance ly	1080.15		last precise pa	222.8		last precise sep	0.038

Period (P)	330y		Periastron (T)	1995.5y		Semi-major axis (a)	0.29a
Eccentricity (e)	0.715		Inclination (i)	73.8°		Longitude of periastron (ω)	78.1°
Node (Ω)	64.3°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1991

label rho theta 2000 0.048 216.2 2001 0.059 222.5 2002 0.069 226.9 2003 0.080 230.2 2004 0.090 232.7 2005 0.099 234.7 2006 0.108 236.3 2007 0.117 237.7 2008 0.125 239.0 2009 0.132 240.1 2010 0.140 241.0 2011 0.146 241.9 2012 0.153 242.7 2013 0.159 243.4 2014 0.165 244.1 2015 0.170 244.8 2016 0.175 245.4 2017 0.180 245.9 2018 0.185 246.5 2019 0.189 247.0 2020 0.194 247.5 2021 0.197 247.9 2022 0.201 248.4 2023 0.205 248.8 2024 0.208 249.2 2025 0.212 249.6 2026 0.215 250.0 2027 0.218 250.4 2028 0.220 250.8 2029 0.223 251.1 2030 0.226 251.5 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	137.958y	± 1.657	Periastron (T)	1997.78y	± 0.12	Semi-major axis (a)	0.1527a	± 0.0008
Eccentricity (e)	0.7238	± 0.0096	Inclination (i)	62.9°	± 0.3	Longitude of periastron (ω)	118.14°	± 0.02
Node (Ω)	68.4°	± 1	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1991

label rho theta 2000 0.048 241.7 2001 0.055 249.0 2002 0.060 254.8 2003 0.064 259.7 2004 0.067 264.1 2005 0.070 268.2 2006 0.071 272.0 2007 0.072 275.7 2008 0.073 279.3 2009 0.074 282.8 2010 0.075 286.3 2011 0.075 289.7 2012 0.076 293.0 2013 0.076 296.3 2014 0.077 299.6 2015 0.078 302.8 2016 0.078 305.9 2017 0.079 309.0 2018 0.080 312.1 2019 0.081 315.0 2020 0.081 318.0 2021 0.082 320.8 2022 0.084 323.6 2023 0.085 326.3 2024 0.086 328.9 2025 0.087 331.5 2026 0.089 333.9 2027 0.090 336.3 2028 0.092 338.6 2029 0.093 340.9 2030 0.095 343.0 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
00153+4412	A 1256	AB	1999	61	223	0.0	7.30	7.50	B9IV	OD	001517.83+441212.2

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