01437+0934 BU  509

 
 
01h 43m 44.93s +09 34' 07.2" P.A. 42.2 sep 0.8 mag 9.48,9.19 Sp K0 dist. 51.26 pc (167.21 l.y.)
 
 
Coord 2000
01437+0934
Discov num
BU  509
Comp
Coord arcsec 2000
01 43 44.93 +09 34 07.2
Date first
1878
Date last
2017
Obs
99
Pa first
273
Pa last
41
P.A. Now (θ)
42.2°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.48
Mag sec
9.19
delta mag (ΔM)
0.29
Spectral class
K0 (yellow-orange)
Pri motion ra
-045
Sec motion ra
-045
Pri motion dec
-042
Sec motion dec
-042
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
40.9
Precise sep
0.763
Constellation
Pisces
HIP
8078
Tycho2
0622-00853-1
HD
10619
ADS
1360
BD
BD+08 266
Distance
51.26
Distance ly
167.21
last precise pa
40.9
last precise sep
0.763
 
 
ORBITAL ELEMENTS
 
 
Period (P)241.2y Periastron (T)1983.48y Semi-major axis (a)0.9a
Eccentricity (e)0.292 Inclination (i)118° Longitude of periastron (ω)94°
Node (Ω)221.04° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.556 63.3
2001 0.573 61.6
2002 0.591 60.0
2003 0.608 58.5
2004 0.625 57.1
2005 0.641 55.7
2006 0.656 54.4
2007 0.672 53.2
2008 0.686 52.0
2009 0.700 50.9
2010 0.713 49.8
2011 0.726 48.7
2012 0.738 47.7
2013 0.749 46.7
2014 0.760 45.8
2015 0.770 44.9
2016 0.779 44.0
2017 0.788 43.1
2018 0.796 42.2
2019 0.804 41.4
2020 0.811 40.5
2021 0.818 39.7
2022 0.824 38.9
2023 0.829 38.1
2024 0.834 37.3
2025 0.838 36.5
2026 0.842 35.8
2027 0.845 35.0
2028 0.848 34.3
2029 0.850 33.5
2030 0.852 32.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds01437%2B0934a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01437+0934 BU 509 2006 90 53 0.7 9.48 9.19 K0 NOD 014344.93+093407.2
01437+0934 BU 509 2008 92 50 0.7 9.48 9.19 K0 NOD 014344.93+093407.2
01437+0934 BU 509 2009 93 50 0.7 9.48 9.19 K0 NOD 014344.93+093407.2
01437+0934 BU 509 2010 94 49 0.7 9.48 9.19 K0 NOD 014344.93+093407.2
01437+0934 BU 509 2015 98 44 0.8 9.48 9.19 K0 NO 014344.93+093407.2
01437+0934 BU 509 2017 99 41 0.8 9.48 9.19 K0 NO 014344.93+093407.2

If you need more information about this double, apply for a data request form to the WDS.