03310+2937 A   983

 
 
03H 30M 59.31S +29 36' 49.3" P.A. 143.8 SEP 0.53 MAG 9.64,10.24 SP G0 DIST. 172.71 PC (563.38 L.Y.)
 
 
Coord 2000
03310+2937
Discov num
A   983
Comp
Coord arcsec 2000
03 30 59.31 +29 36 49.3
Date first
1905
Date last
2015
Obs
45
Pa first
308
Pa last
147
P.A. Now (θ)
143.8°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.53"
Mag pri
9.64
Mag sec
10.24
delta mag (ΔM)
0.6
Spectral class
G0 (yellow)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
75961
HIP
16376
Tycho2
1810-00747-1
HD
21674
ADS
2578
BD
BD+29 570
Distance
172.71
Distance ly
563.38
last precise pa
146.5
last precise sep
0.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)587y Periastron (T)1964.83y Semi-major axis (a)0.748a
Eccentricity (e)0.591 Inclination (i)63.2° Longitude of periastron (ω)245.3°
Node (Ω)150.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.378 133.3
2001 0.388 134.1
2002 0.397 134.9
2003 0.407 135.7
2004 0.416 136.5
2005 0.425 137.2
2006 0.434 137.8
2007 0.443 138.5
2008 0.452 139.1
2009 0.460 139.7
2010 0.469 140.3
2011 0.477 140.8
2012 0.485 141.4
2013 0.494 141.9
2014 0.501 142.4
2015 0.509 142.9
2016 0.517 143.4
2017 0.525 143.8
2018 0.532 144.3
2019 0.539 144.7
2020 0.546 145.1
2021 0.553 145.5
2022 0.560 145.9
2023 0.567 146.3
2024 0.574 146.7
2025 0.580 147.1
2026 0.587 147.5
2027 0.593 147.8
2028 0.599 148.2
2029 0.606 148.5
2030 0.612 148.9

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