03590+0947 HU   27

 
 
03H 59M 00.32S +09 46' 54.0" P.A. 334.4 SEP 0.43 MAG 8.96,9.05 SP G0 DIST. 76.16 PC (248.43 L.Y.)
 
 
Coord 2000
03590+0947
Discov num
HU   27
Comp
Coord arcsec 2000
03 59 00.32 +09 46 54.0
Date first
1899
Date last
2010
Obs
64
Pa first
211
Pa last
330
P.A. Now (θ)
334.4°
Sep first
0.6
Sep last
0.4
Sep. Now (ρ)
0.43"
Mag pri
8.96
Mag sec
9.05
delta mag (ΔM)
0.09
Spectral class
G0 (yellow)
Pri motion ra
+095
Sec motion ra
+095
Pri motion dec
-050
Sec motion dec
-050
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
HIP
18618
Tycho2
0659-00175-1
HD
25034
ADS
2911
BD
BD+09 523
Distance
76.16
Distance ly
248.43
last precise pa
329.6
last precise sep
0.406
 
 
ORBITAL ELEMENTS
 
 
Period (P)276y Periastron (T)2083y Semi-major axis (a)0.809a
Eccentricity (e)0.673 Inclination (i)77.7° Longitude of periastron (ω)261.6°
Node (Ω)184.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.355 319.5
2001 0.359 320.5
2002 0.363 321.6
2003 0.368 322.6
2004 0.373 323.5
2005 0.377 324.5
2006 0.382 325.4
2007 0.386 326.3
2008 0.391 327.2
2009 0.396 328.1
2010 0.401 328.9
2011 0.405 329.8
2012 0.410 330.6
2013 0.415 331.4
2014 0.420 332.1
2015 0.424 332.9
2016 0.429 333.6
2017 0.434 334.4
2018 0.439 335.1
2019 0.443 335.8
2020 0.448 336.4
2021 0.452 337.1
2022 0.457 337.8
2023 0.461 338.4
2024 0.466 339.0
2025 0.470 339.6
2026 0.474 340.2
2027 0.478 340.8
2028 0.482 341.4
2029 0.486 342.0
2030 0.490 342.6

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