01425+2016 HJ 2071 AB (107 Psc)

Coord 2000	01425+2016		Discov num	HJ 2071		Comp	AB		Coord arcsec 2000	01 42 29.76 +20 16 06.6
Date first	1879		Date last	2000		Obs	7
Pa first	223		Pa last	10.9		P.A. Now (θ)	10.9°
Sep first	38.5		Sep last	54.063		Sep. Now (ρ)	54.063"
Mag pri	5.34		Mag sec	11.70		delta mag (ΔM)	6.36		Spectral class	K1V (yellow-orange)
Pri motion ra	-302		Sec motion ra
Pri motion dec	-679		Sec motion dec
Notes	N L (See Notes, Linear solution)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	107 Psc	74883	01 42 30 +20 16 07	HJ 2071 AB	2000	7	11	54.1	5.34	11.70	6.36		<===
Show		74883	01 42 30 +20 16 07	HJ 2071 AC	2000	14	4	154.8	5.34	12.10	6.76

Triple system
3 estimated visually detectable stars in this system

Name	107 Psc		Var name	NSV600 Psc		Constellation	Pisces		SAO	74883
HIP	7981		Tycho2	1211-01733-1		HD	10476		HR	493
GC	2080		GL	Gl 68		BD	BD+19 279		Flamsteed	107 Piscium
Flamsteed name	107 Psc		Distance	7.53		Distance ly	24.56

Identifier	01425+2016
coord_arcsec_2000	014229.95+201612.5

Period (P)	207.2707d	± 6.1799	Periastron (T)	48213.7852d (1990.881y)	± 11.9614	Semi-major axis (a)	4.55m	± 2.1
Eccentricity (e)	0		Inclination (i)	89.01°	± 22.95	Longitude of periastron (ω)	0°
Node (Ω)	12.67°	± 23.8	Notes	n		Reference	HIP1997d
Equinox			Last observation	1991		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 13.1 0.004 2001-01-01 10.9 0.002 2002-01-01 193.3 0.004 2003-01-01 191.4 0.003 2004-01-01 13.6 0.003 2005-01-01 11.7 0.003 2006-01-01 193.9 0.003 2007-01-01 192.0 0.004 2008-01-01 14.4 0.002 2009-01-01 12.2 0.004 2010-01-01 195.2 0.002 2011-01-01 192.4 0.004 2012-01-01 17.1 0.001 2013-01-01 12.5 0.005 2014-01-01 206.9 2015-01-01 192.7 0.005 2016-01-01 181.2 2017-01-01 12.8 0.004 2018-01-01 8.6 0.001 2019-01-01 193.0 0.004 2020-01-01 190.3 0.002 2021-01-01 13.2 0.004 2022-01-01 11.0 0.002 2023-01-01 193.4 0.004 2024-01-01 191.5 0.003 2025-01-01 13.6 0.003 2026-01-01 11.8 0.003 2027-01-01 194.0 0.003 2028-01-01 192.0 0.004 2029-01-01 14.5 0.002 2030-01-01 12.2 0.004		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic