14131+5520 STF1820

 
 
14h 13m 00.76s +55 19' 31.1" P.A. 123 sep 2.7 mag 9.06,9.42 Sp K2 dist. 38.26 pc (124.8 l.y.)
 
 
Coord 2000
14131+5520
Discov num
STF1820
Comp
Coord arcsec 2000
14 13 00.76 +55 19 31.1
Date first
1831
Date last
2015
Obs
208
Pa first
47
Pa last
123
P.A. Now (θ)
123°
Sep first
2.4
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
9.06
Mag sec
9.42
delta mag (ΔM)
0.36
Spectral class
K2 (yellow-orange)
Pri motion ra
-342
Sec motion ra
-350
Pri motion dec
-002
Sec motion dec
-018
Notes
N O (See Notes, Orbital solution)
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.7
Precise sep
2.74
Constellation
Ursa Major
SAO
29044
HIP
69442
Tycho2
3855-01182-1
HD
124640
ADS
9167
BD
BD+56 1718
Distance
38.26
Distance ly
124.8
last precise pa
122.7
last precise sep
2.74
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)1047.8d (2.87y) Periastron (T)49490.3d (1994.376y) Semi-major axis (a)6m± 1.2
Eccentricity (e)0.754 Inclination (i)88.8°± 7.1 Longitude of periastron (ω)25.1°
Node (Ω)224.9°± 4.5 Note Grade9(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000-01-01 0.001 221.6
2001-01-01 0.009 45.1
2002-01-01 0.008 45.8
2003-01-01 0.001 226.3
2004-01-01 0.010 45.2
2005-01-01 0.007 46.0
2006-01-01 0.002 43.6
2007-01-01 0.010 45.3
2008-01-01 0.006 46.2
2009-01-01 0.005 44.3
2010-01-01 0.010 45.4
2011-01-01 0.005 46.5
2012-01-01 0.006 44.6
2013-01-01 0.010 45.4
2014-01-01 0.003 47.0
2015-01-01 0.007 44.8
2016-01-01 0.009 45.5
2017-01-01 0.002 48.3
2018-01-01 0.008 44.9
2019-01-01 0.009 45.6
2020-01-01 76.0
2021-01-01 0.009 45.0
2022-01-01 0.008 45.8
2023-01-01 0.001 223.7
2024-01-01 0.009 45.1
2025-01-01 0.007 45.9
2026-01-01 34.6
2027-01-01 0.010 45.2
2028-01-01 0.007 46.1
2029-01-01 0.003 44.0
2030-01-01 0.010 45.3

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

grafico orbita





wds14131%2B5520f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)1013y± 240 Periastron (T)2224y± 290 Semi-major axis (a)3.56a± 0.55
Eccentricity (e)0.27± 0.1 Inclination (i)58.2°± 3.7 Longitude of periastron (ω)233.9°± 33.2
Node (Ω)336°± 3.7 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1997
label rho theta
2000 2.570 117.4
2001 2.575 117.8
2002 2.581 118.1
2003 2.587 118.5
2004 2.593 118.8
2005 2.598 119.1
2006 2.604 119.5
2007 2.610 119.8
2008 2.615 120.2
2009 2.621 120.5
2010 2.627 120.8
2011 2.632 121.2
2012 2.638 121.5
2013 2.643 121.8
2014 2.649 122.1
2015 2.655 122.5
2016 2.660 122.8
2017 2.666 123.1
2018 2.671 123.4
2019 2.677 123.7
2020 2.682 124.1
2021 2.688 124.4
2022 2.693 124.7
2023 2.699 125.0
2024 2.704 125.3
2025 2.709 125.6
2026 2.715 125.9
2027 2.720 126.3
2028 2.725 126.6
2029 2.730 126.9
2030 2.736 127.2

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

grafico orbita





wds14131%2B5520a.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
14131+5520 STF1820 2007 177 120 2.7 9.06 9.42 K2 NOD 141300.76+551931.1
14131+5520 STF1820 2010 184 121 2.7 9.06 9.42 K2 NOD 141300.76+551931.1
14131+5520 STF1820 2011 186 121 2.6 9.06 9.42 K2 NOD 141300.76+551931.1
14131+5520 STF1820 2012 201 122 2.5 9.06 9.42 K2 NOD 141300.76+551931.1
14131+5520 STF1820 2013 202 122 2.6 9.06 9.42 K2 NO 141300.76+551931.1
14131+5520 STF1820 2015 208 123 2.7 9.06 9.42 K2 NO 141300.76+551931.1

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