01321+1657 GAA 19 Aa,Ab

Coord 2000	01321+1657		Discov num	GAA  19		Comp	Aa,Ab		Coord arcsec 2000	01 32 03.12 +16 56 50.0
Date first	2020		Date last	2022		Obs	10
Pa first	137		Pa last	91.4		P.A. Now (θ)	91.4°
Sep first	0.0		Sep last	0.002		Sep. Now (ρ)	0.002"
Mag pri	5.10		Mag sec	6.00		delta mag (ΔM)	0.9		Spectral class	K0III (yellow-orange)
Pri motion ra	+122		Sec motion ra
Pri motion dec	-196		Sec motion dec
Notes	N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		92492	01 32 03 +16 56 50	GAA 19 Aa,Ab	2022	10	91	0.0	5.10	6.00	0.90	Y	<===
Show	HD 9312	92492	01 32 03 +16 56 50	STF 132 AB	2015	59	342	63.8	6.88	10.61	3.73
Show		92492	01 32 03 +16 56 50	STF 132 AC	2015	24	249	67.7	6.89	11.59	4.70
Show		92492	01 32 03 +16 56 50	STF 132 AD	2014	17	109	114.5	6.88	11.44	4.56
Show		92492	01 32 03 +16 56 50	STF 132 AE	2016	4	307	11.0	6.88	14.10	7.22
Show			01 32 11 +16 56 11	STF 132 DF	2017	14	289	5.2	11.44	12.20	0.76

Septuple system
6 estimated visually detectable stars in this system

Constellation	Pisces		SAO	92492		HIP	7143		Tycho2	1198-01596-1
HD	9312		ADS	1202		BD	BD+16 167		Distance	57.74
Distance ly	188.35

Identifier	01321+1657 STF 132 A
coord_arcsec_2000	013203.12+165650.0

Period (P)	36.5192d	± 0.0001	Periastron (T)	54094.832d (2006.982y)	± 0.008	Semi-major axis (a)	3m
Eccentricity (e)	0.1429	± 0.0003	Inclination (i)	65.4°	± 13.3	Longitude of periastron (ω)	203.34°	± 0.07
Node (Ω)	47.5°	± 11.4	Notes	n		Reference	WaX2015b
Equinox			Last observation			Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 340.9 0.001 2001-01-01 342.0 0.001 2002-01-01 343.1 0.001 2003-01-01 344.2 0.001 2004-01-01 345.3 0.001 2005-01-01 346.3 0.001 2006-01-01 347.4 0.001 2007-01-01 348.4 0.001 2008-01-01 349.4 0.001 2009-01-01 350.3 0.001 2010-01-01 351.3 0.001 2011-01-01 352.2 0.001 2012-01-01 353.2 0.001 2013-01-01 354.1 0.001 2014-01-01 354.9 0.001 2015-01-01 355.8 0.001 2016-01-01 356.7 0.001 2017-01-01 357.5 0.001 2018-01-01 358.3 0.002 2019-01-01 359.1 0.002 2020-01-01 359.9 0.002 2021-01-01 0.7 0.002 2022-01-01 1.4 0.002 2023-01-01 2.1 0.002 2024-01-01 2.9 0.002 2025-01-01 3.6 0.002 2026-01-01 4.3 0.002 2027-01-01 5.0 0.002 2028-01-01 5.6 0.002 2029-01-01 6.3 0.002 2030-01-01 6.9 0.002		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic