04130+5237 PRV 1 AB

Coord 2000	04130+5237		Discov num	PRV   1		Comp	AB		Coord arcsec 2000	04 12 58.69 +52 36 39.5
Date first	2003		Date last	2006		Obs	9
Pa first	116		Pa last	294.1		P.A. Now (θ)	294.1°
Sep first	0.1		Sep last	0.057		Sep. Now (ρ)	0.057"
Mag pri	13.20		Mag sec	15.40		delta mag (ΔM)	2.2		Spectral class	M4.5 (red)
Pri motion ra	-327		Sec motion ra
Pri motion dec	-811		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show

name

SAO

coord

wds_name

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

04 12 59 +52 36 40

PRV 1 AB

2006

9

294

0.1

13.20

15.40

2.20

Y

<===

Show

04 12 59 +52 36 40

JNN 260 AC

2012

2

339

3.0

13.40

19.00

5.60

Triple system
3 estimated visually detectable stars in this system

Constellation

Perseus

Period (P)	736.9d (2.02y)	± 1.7	Periastron (T)	51856d (2000.853y)	± 8	Semi-major axis (a)	0.0805a	± 0.0012
Eccentricity (e)	0.161	± 0.012	Inclination (i)	121.9°	± 0.8	Longitude of periastron (ω)	311.7°	± 3.7
Node (Ω)	271.8°	± 1.2	Notes	n		Reference	Mtc2009
Equinox			Last observation	2006		Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 107.4 0.085 2001-01-01 278.3 0.068 2002-01-01 108.8 0.084 2003-01-01 280.6 0.067 2004-01-01 110.4 0.083 2005-01-01 283.0 0.065 2006-01-01 112.0 0.081 2007-01-01 285.6 0.064 2008-01-01 113.6 0.080 2009-01-01 288.3 0.062 2010-01-01 115.3 0.079 2011-01-01 291.1 0.060 2012-01-01 117.0 0.077 2013-01-01 294.2 0.058 2014-01-01 118.8 0.075 2015-01-01 297.5 0.055 2016-01-01 120.7 0.074 2017-01-01 301.1 0.053 2018-01-01 122.7 0.072 2019-01-01 305.0 0.051 2020-01-01 124.8 0.070 2021-01-01 309.3 0.048 2022-01-01 127.0 0.069 2023-01-01 314.1 0.046 2024-01-01 129.3 0.067 2025-01-01 319.3 0.044 2026-01-01 131.8 0.065 2027-01-01 325.1 0.042 2028-01-01 134.4 0.063 2029-01-01 331.5 0.040 2030-01-01 137.1 0.061		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic