02407+2637 STT  43

 
 
02H 40M 42.29S +26 37' 20.5" P.A. 334.8 SEP 0.6 MAG 7.90,9.04 SP F7V DIST. 64.72 PC (211.12 L.Y.)
 
 
Coord 2000
02407+2637
Discov num
STT  43
Comp
Coord arcsec 2000
02 40 42.29 +26 37 20.5
Date first
1848
Date last
2016
Obs
159
Pa first
89
Pa last
336
P.A. Now (θ)
334.8°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.6"
Mag pri
7.90
Mag sec
9.04
delta mag (ΔM)
1.14
Spectral class
F7V (yellow-white)
Pri motion ra
+083
Sec motion ra
+083
Pri motion dec
+001
Sec motion dec
+001
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.5
Precise sep
0.67
Constellation
Aries
HIP
12491
Tycho2
1776-00934-1
HD
16638
ADS
2034
BD
BD+25 436
Distance
64.72
Distance ly
211.12
last precise pa
335.5
last precise sep
0.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)289.2y Periastron (T)1804.422y Semi-major axis (a)0.886a
Eccentricity (e)0.324 Inclination (i)124.2° Longitude of periastron (ω)203.8°
Node (Ω)39° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1999
label rho theta
2000 0.747 354.6
2001 0.738 353.6
2002 0.729 352.7
2003 0.720 351.7
2004 0.711 350.7
2005 0.702 349.6
2006 0.693 348.6
2007 0.684 347.5
2008 0.675 346.3
2009 0.666 345.2
2010 0.658 344.0
2011 0.649 342.8
2012 0.641 341.5
2013 0.632 340.2
2014 0.624 338.9
2015 0.616 337.6
2016 0.608 336.2
2017 0.600 334.8
2018 0.592 333.3
2019 0.585 331.8
2020 0.578 330.3
2021 0.571 328.7
2022 0.564 327.1
2023 0.557 325.4
2024 0.551 323.7
2025 0.545 322.0
2026 0.539 320.2
2027 0.534 318.4
2028 0.529 316.6
2029 0.524 314.7
2030 0.520 312.8

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