14426+1929 HU  575AB

 
 
14h 42m 33.63s +19 28' 46.9" P.A. 97.3 sep 0.34 mag 9.77,10.05 Sp M0 dist. 21.58 pc (70.39 l.y.)
 
 
Coord 2000
14426+1929
Discov num
HU  575
Comp
AB
Coord arcsec 2000
14 42 33.63 +19 28 46.9
Date first
1902
Date last
2011
Obs
153
Pa first
171
Pa last
152
P.A. Now (θ)
97.3°
Sep first
0.7
Sep last
0.5
Sep. Now (ρ)
0.34"
Mag pri
9.77
Mag sec
10.05
delta mag (ΔM)
0.28
Spectral class
M0 (red)
Pri motion ra
-247
Sec motion ra
Pri motion dec
-174
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14426+1929 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 14426+1929 HU 575 AB 1902 2011 153 97 0.3 9.77 10.05 0.28 Y <===
Show 14426+1929 LDS 968 AB,C 1898 2016 14 309 135.2 9.25 10.28 1.03
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
HIP
71914
Tycho2
1480-00302-1
ADS
9352
GL
Wo 9490B
BD
BD+20 3010
Distance
21.58
Distance ly
70.39
last precise pa
152.4
last precise sep
0.547
 
 
ORBITAL ELEMENTS
 
 
Period (P)51.7y Periastron (T)1982y Semi-major axis (a)0.64a
Eccentricity (e)0.09 Inclination (i)120° Longitude of periastron (ω)204°
Node (Ω)178° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.637 189.9
2001 0.660 186.5
2002 0.677 183.3
2003 0.688 180.3
2004 0.692 177.3
2005 0.690 174.3
2006 0.683 171.3
2007 0.669 168.2
2008 0.650 164.9
2009 0.625 161.5
2010 0.596 157.6
2011 0.563 153.4
2012 0.527 148.6
2013 0.489 143.1
2014 0.451 136.7
2015 0.413 129.1
2016 0.380 120.0
2017 0.353 109.4
2018 0.335 97.3
2019 0.329 84.3
2020 0.336 71.4
2021 0.354 59.3
2022 0.380 48.8
2023 0.413 39.7
2024 0.447 32.0
2025 0.482 25.4
2026 0.513 19.7
2027 0.541 14.6
2028 0.563 9.9
2029 0.578 5.6
2030 0.586 1.4

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

grafico orbita





grafico misure orbit6
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
14426+1929 HU 575 AB 2008 146 164 0.6 9.77 10.05 M0 NOD 144233.81+192848.6
14426+1929 HU 575 AB 2010 148 158 0.6 9.77 10.05 M0 NOD 144233.81+192848.6
14426+1929 HU 575 AB 2011 153 152 0.5 9.77 10.05 M0 NO 144233.81+192848.6

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