07346+3153 STF1110AB (Castore)

 
 
07H 34M 35.86S +31 53' 17.8" P.A. 54.1 SEP 5.11 MAG 1.93,2.97 SP A1V+A4VM DIST. 15.6 PC (50.89 L.Y.)
 
 
Coord 2000
07346+3153
Discov num
STF1110
Comp
AB
Coord arcsec 2000
07 34 35.86 +31 53 17.8
Date first
1778
Date last
2015
Obs
1405
Pa first
303
Pa last
55
P.A. Now (θ)
54.1°
Sep first
5.2
Sep last
5.2
Sep. Now (ρ)
5.11"
Mag pri
1.93
Mag sec
2.97
delta mag (ΔM)
1.04
Spectral class
A1V+A4Vm (white/white)
Pri motion ra
-206
Sec motion ra
-206
Pri motion dec
-148
Sec motion dec
-148
Notes
N O (See Notes, Orbital solution)
 
 
07346+3153 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Castore 60198 07346+3153 STF1110 AB 1778 2015 1405 54 5.1 1.93 2.97 1.04 Y <===
Show 60198 07346+3153 STF1110 AC 1822 2015 151 163 70.1 1.93 9.83 7.90
Show 60198 07346+3153 STF1110 AD 1884 2012 16 222 181.9 1.93 10.07 8.14
Show 60198 07346+3153 STF1110 BC 1830 2005 123 167 70.1 2.97 9.83 6.86
Show 60198 07346+3153 STF1110 CD 1959 2009 5 244 155.6 9.83 10.07 0.24 Y
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
Castore
Meaning
beaver (Castor)
Other names
CASTOR, APOLLO
Constellation
Gemini
SAO
60198
HIP
36850
Tycho2
2457-02407-1
HD
60179
HR
2891
ADS
6175
GL
Gl 278A
BD
BD+32 1581
Bayer
Alpha Geminorum
Bayer name
Alp Gem
Flamsteed
66 Geminorum
Flamsteed name
66 Gem
Distance
15.6
Distance ly
50.89
last precise pa
54.6
last precise sep
5.24
 
 
ORBITAL ELEMENTS
 
 
Period (P)459.8y Periastron (T)1958.7y Semi-major axis (a)6.755a
Eccentricity (e)0.336 Inclination (i)114.6° Longitude of periastron (ω)250.5°
Node (Ω)41.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 3.868 65.3
2001 3.952 64.4
2002 4.035 63.5
2003 4.118 62.7
2004 4.200 61.9
2005 4.281 61.1
2006 4.361 60.4
2007 4.441 59.6
2008 4.519 58.9
2009 4.597 58.3
2010 4.673 57.6
2011 4.749 57.0
2012 4.823 56.4
2013 4.896 55.8
2014 4.968 55.2
2015 5.039 54.6
2016 5.109 54.1
2017 5.178 53.6
2018 5.246 53.0
2019 5.312 52.5
2020 5.377 52.1
2021 5.441 51.6
2022 5.504 51.1
2023 5.566 50.7
2024 5.626 50.2
2025 5.685 49.8
2026 5.744 49.3
2027 5.800 48.9
2028 5.856 48.5
2029 5.910 48.1
2030 5.964 47.7

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6