14165+2007 STF1825

 
 
14H 16M 32.84S +20 07' 18.7" P.A. 152.7 SEP 4.43 MAG 6.47,8.42 SP F6V DIST. 32.63 PC (106.44 L.Y.)
 
 
Coord 2000
14165+2007
Discov num
STF1825
Comp
Coord arcsec 2000
14 16 32.84 +20 07 18.7
Date first
1830
Date last
2015
Obs
168
Pa first
187
Pa last
154
P.A. Now (θ)
152.7°
Sep first
4.0
Sep last
4.4
Sep. Now (ρ)
4.43"
Mag pri
6.47
Mag sec
8.42
delta mag (ΔM)
1.95
Spectral class
F6V (yellow-white)
Pri motion ra
-136
Sec motion ra
-131
Pri motion dec
-094
Sec motion dec
-084
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
83259
HIP
69751
Tycho2
1475-01155-1
HD
125040
HR
5346
ADS
9192
BD
BD+20 2954
Distance
32.63
Distance ly
106.44
last precise pa
153.8
last precise sep
4.39
 
 
ORBITAL ELEMENTS
 
 
Period (P)956.6y± 299.4 Periastron (T)1683.9y± 14.2 Semi-major axis (a)3.75a± 0.75
Eccentricity (e)0.53± 0.08 Inclination (i)134.3°± 6.9 Longitude of periastron (ω)72.2°± 18.5
Node (Ω)14.1°± 10.4 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 4.424 155.6
2001 4.425 155.4
2002 4.425 155.3
2003 4.426 155.1
2004 4.426 154.9
2005 4.427 154.8
2006 4.427 154.6
2007 4.428 154.5
2008 4.428 154.3
2009 4.429 154.1
2010 4.429 154.0
2011 4.429 153.8
2012 4.430 153.7
2013 4.430 153.5
2014 4.430 153.3
2015 4.430 153.2
2016 4.430 153.0
2017 4.431 152.9
2018 4.431 152.7
2019 4.431 152.5
2020 4.431 152.4
2021 4.431 152.2
2022 4.431 152.1
2023 4.431 151.9
2024 4.430 151.7
2025 4.430 151.6
2026 4.430 151.4
2027 4.430 151.3
2028 4.430 151.1
2029 4.430 150.9
2030 4.429 150.8

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