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	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	64 Psc	92099	00 48 59 +16 56 28	BUP 12 AB	2013	7	331	85.6	5.12	12.90	7.78	Y	<===
Show		92099	00 48 59 +16 56 28	BUP 12 AC	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		Gaia DR2	2781872793183604096
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 0.002 18.4 2001 0.006 77.1 2002 0.005 249.5 2003 0.008 64.6 2004 0.003 215.1 2005 0.006 50.9 2006 0.004 94.7 2007 0.002 293.0 2008 0.007 71.5 2009 0.005 239.1 2010 0.008 60.4 2011 0.002 168.8 2012 0.003 37.7 2013 0.005 81.7 2014 0.004 257.7 2015 0.008 67.1 2016 0.004 226.8 2017 0.006 55.1 2018 0.003 110.1 2019 0.002 348.2 2020 0.007 74.6 2021 0.005 245.0 2022 0.008 62.9 2023 0.003 201.4 2024 0.005 46.7 2025 0.004 88.1 2026 0.003 272.0 2027 0.008 69.6 2028 0.005 234.6 2029 0.007 58.4 2030 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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