03503+2535 STT  65

 
 
03H 50M 18.91S +25 34' 46.7" P.A. 201.7 SEP 0.48 MAG 5.73,6.52 SP A2V+A5V DIST. 56.47 PC (184.21 L.Y.)
 
 
Coord 2000
03503+2535
Discov num
STT  65
Comp
Coord arcsec 2000
03 50 18.91 +25 34 46.7
Date first
1846
Date last
2008
Obs
237
Pa first
202
Pa last
195
P.A. Now (θ)
201.7°
Sep first
0.7
Sep last
0.2
Sep. Now (ρ)
0.48"
Mag pri
5.73
Mag sec
6.52
delta mag (ΔM)
0.79
Spectral class
A2V+A5V (white/white)
Pri motion ra
+043
Sec motion ra
Pri motion dec
-112
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
76256
HIP
17954
Tycho2
1804-02519-1
HD
23985
HR
1188
ADS
2799
BD
BD+25 624
Distance
56.47
Distance ly
184.21
last precise pa
194.7
last precise sep
0.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)61.2y± 0.1 Periastron (T)1998.3y± 0.08 Semi-major axis (a)0.442a± 0.002
Eccentricity (e)0.628± 0.002 Inclination (i)84.7°± 0.1 Longitude of periastron (ω)340.3°± 0.7
Node (Ω)26.4°± 0.2 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation2008
label rho theta
2000 0.164 29.6
2001 0.139 33.1
2002 0.102 38.9
2003 0.062 51.9
2004 0.032 97.1
2005 0.049 162.7
2006 0.088 182.3
2007 0.130 189.5
2008 0.172 193.2
2009 0.212 195.5
2010 0.251 197.0
2011 0.288 198.1
2012 0.324 199.0
2013 0.358 199.7
2014 0.390 200.3
2015 0.421 200.8
2016 0.450 201.3
2017 0.477 201.7
2018 0.503 202.0
2019 0.527 202.3
2020 0.549 202.6
2021 0.570 202.9
2022 0.589 203.1
2023 0.607 203.3
2024 0.623 203.6
2025 0.637 203.8
2026 0.650 204.0
2027 0.661 204.2
2028 0.671 204.3
2029 0.679 204.5
2030 0.685 204.7

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