00490+1656 BUP  12AB (64 Psc)

Coord 2000	00490+1656		Discov num	BUP  12		Comp	AB		Coord arcsec 2000	00 48 58.71 +16 56 28.1
Date first	1911		Date last	2013		Obs	7
Pa first	322		Pa last	331		P.A. Now (θ)	331°
Sep first	69.0		Sep last	85.6		Sep. Now (ρ)	85.6"
Mag pri	5.12		Mag sec	12.90		delta mag (ΔM)	7.78		Spectral class	F8V (yellow-white)
Pri motion ra	-003		Sec motion ra
Pri motion dec	-202		Sec motion dec
Notes	N U (See Notes, Proper motion indicates non-physical)

This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	64 Psc	92099	00490+1656	BUP 12	AB	1911	2013	7	331	85.6	5.12	12.90	7.78	Y	<===
Show		92099	00490+1656	BUP 12	AC	1911	2013	6	161	61.1	5.12	13.58	8.46

Triple system
3 visible stars in this system

Precise pa	330.9		Precise sep	85.61		Name	64 Psc		Constellation	Pisces
SAO	92099		HIP	3810		Tycho2	1188-01686-1		HD	4676
HR	225		GC	968		GL	Gl 34.1		BD	BD+16 76
Flamsteed	64 Piscium		Flamsteed name	64 Psc		Distance	23.45		Distance ly	76.49
last precise pa	330.9		last precise sep	85.61

Period (P)	13.824621d	± 0.000017	Periastron (T)	50905.984m (1998.253y)	± 0.015	Semi-major axis (a)	6.527m	± 0.061
Eccentricity (e)	0.2376	± 0.0012	Inclination (i)	73.8°	± 0.92	Longitude of periastron (ω)	203.56°	± 0.35
Node (Ω)	63.6°	± 0.82	Note			Grade	8	(1=Definitive, 9=Indet.)
Equinox			Last observation	1998

label rho theta 2000-01-01 0.002 18.4 2001-01-01 0.006 77.1 2002-01-01 0.005 249.5 2003-01-01 0.008 64.6 2004-01-01 0.003 215.1 2005-01-01 0.006 50.9 2006-01-01 0.004 94.7 2007-01-01 0.002 293.0 2008-01-01 0.007 71.5 2009-01-01 0.005 239.1 2010-01-01 0.008 60.4 2011-01-01 0.002 168.8 2012-01-01 0.003 37.7 2013-01-01 0.005 81.7 2014-01-01 0.004 257.7 2015-01-01 0.008 67.1 2016-01-01 0.004 226.8 2017-01-01 0.006 55.1 2018-01-01 0.003 110.1 2019-01-01 0.002 348.2 2020-01-01 0.007 74.6 2021-01-01 0.005 245.0 2022-01-01 0.008 62.9 2023-01-01 0.003 201.4 2024-01-01 0.005 46.7 2025-01-01 0.004 88.1 2026-01-01 0.003 272.0 2027-01-01 0.008 69.6 2028-01-01 0.005 234.6 2029-01-01 0.007 58.4 2030-01-01 0.002 139.5 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
00490+1656	BUP 12	AB	1998	4	330	82.9	5.07	12.60	F8V	N D	004858.71+165628.1
00490+1656	BUP 12	AB	1999	5	330	82.8	5.07	12.60	F8V	NUD	004858.71+165628.1
00490+1656	BUP 12	AB	2000	6	330	82.7	5.07	12.60	F8V	NUD	004858.71+165628.1
00490+1656	BUP 12	AB	2013	7	331	85.6	5.12	12.90	F8V	NU	004858.71+165628.1

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