14525+1844 BU   31AB

 
 
14h 52m 30.05s +18 44' 19.5" P.A. 221.3 sep 2.01 mag 8.53,10.26 Sp G0V dist. 48.43 pc (157.98 l.y.)
 
 
Coord 2000
14525+1844
Discov num
BU   31
Comp
AB
Coord arcsec 2000
14 52 30.05 +18 44 19.5
Date first
1872
Date last
2015
Obs
85
Pa first
180
Pa last
223
P.A. Now (θ)
221.3°
Sep first
1.0
Sep last
1.9
Sep. Now (ρ)
2.01"
Mag pri
8.53
Mag sec
10.26
delta mag (ΔM)
1.73
Spectral class
G0V (yellow)
Pri motion ra
-026
Sec motion ra
-026
Pri motion dec
+198
Sec motion dec
+198
Notes
N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
14525+1844 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 101264 14525+1844 BU 31 AB 1872 2015 85 221 2.0 8.53 10.26 1.73 Y <===
Show 101264 14525+1844 BU 31 AC 1878 2015 21 168 8.5 8.53 12.50 3.97
Show 101264 14525+1844 BU 31 AD 1897 2015 12 259 90.0 8.53 11.62 3.09
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
222.8
Precise sep
1.86
Constellation
Bootes
SAO
101264
HIP
72764
Tycho2
1481-00172-1
HD
131334
ADS
9423
BD
BD+19 2874
Distance
48.43
Distance ly
157.98
last precise pa
222.8
last precise sep
1.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)2085.5y Periastron (T)1915.06y Semi-major axis (a)3.369a
Eccentricity (e)0.453 Inclination (i)64.8° Longitude of periastron (ω)325.1°
Node (Ω)215.4° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 1.988 218.2
2001 1.990 218.3
2002 1.992 218.5
2003 1.993 218.7
2004 1.995 218.9
2005 1.997 219.1
2006 1.999 219.3
2007 2.000 219.5
2008 2.002 219.6
2009 2.003 219.8
2010 2.004 220.0
2011 2.006 220.2
2012 2.007 220.4
2013 2.008 220.6
2014 2.009 220.8
2015 2.010 220.9
2016 2.011 221.1
2017 2.012 221.3
2018 2.013 221.5
2019 2.014 221.7
2020 2.015 221.9
2021 2.016 222.0
2022 2.016 222.2
2023 2.017 222.4
2024 2.018 222.6
2025 2.018 222.8
2026 2.018 223.0
2027 2.019 223.1
2028 2.019 223.3
2029 2.019 223.5
2030 2.020 223.7

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

grafico orbita





wds14525%2B1844a.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
14525+1844 BU 31 AB 2005 79 219 2.0 8.53 10.26 G0V D 145230.05+184419.5
14525+1844 BU 31 AB 2009 81 220 2.0 8.53 10.26 G0V D 145230.05+184419.5
14525+1844 BU 31 AB 2013 82 220 2.0 8.53 10.26 G0V N D 145230.05+184419.5
14525+1844 BU 31 AB 2015 85 223 1.9 8.53 10.26 G0V NO V 145230.05+184419.5

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