07433+2853 CIA 7 Aa,Ab

07h 43m 18.73s +28° 53' 00.6" P.A. 22.00 sep 0.0 mag 4.28,11.00 Sp K1III dist. 38.34 pc (125.07 l.y.)

Coord 2000 07433+2853 Discov num CIA   7 Comp Aa,Ab Coord arcsec 2000 07 43 18.73 +28 53 00.6
Date first 2011 Date last 2012 Obs 5
Pa first 19 Pa last 21.6 P.A. Now (θ) 21.6°
Sep first 0.0 Sep last 0.003 Sep. Now (ρ) 0.003"
Mag pri 4.28 Mag sec 11.00 delta mag (ΔM) 6.72 Spectral class K1III (yellow-orange)
Pri motion ra +062 Sec motion ra
Pri motion dec -232 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



07433+2853 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 79638 07 43 19 +28 53 01 CIA 7 Aa,Ab 2012 5 22 0.0 4.28 11.00 6.72 Y <===
Show Sig Gem 79638 07 43 19 +28 53 01 BLL 23 AB 1998 7 319 195.5 4.28 10.80 6.52


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Gemini SAO 79638 HIP 37629 Tycho2 1924-02022-1
Gaia DR2 878467085734742400 HD 62044 HR 2973 GC 10373
BD BD+29 1590 Bayer Sigma Geminorum Bayer name Sig Gem Flamsteed 75 Geminorum
Flamsteed name 75 Gem Distance 38.34 Distance ly 125.07 Bayer greek σ Gem




ORBITAL ELEMENTS

Period (P)19.6027d± 0.0005 Periastron (T)53583.98d (2005.584y)± 0.03 Semi-major axis (a)4.63m± 0.04
Eccentricity (e)0 Inclination (i)107.7°± 0.8 Longitude of periastron (ω)
Node (Ω)1.2°± 0.8 Notesn ReferenceCIA2015b
Equinox2000 Last observation2012 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000-01-01 5.9 0.004
2001-01-01 170.3 0.004
2002-01-01 301.5 0.002
2003-01-01 22.8 0.003
2004-01-01 182.7 0.005
2005-01-01 345.5 0.004
2006-01-01 90.0 0.001
2007-01-01 196.5 0.004
2008-01-01 359.5 0.005
2009-01-01 159.1 0.003
2010-01-01 239.1 0.002
2011-01-01 11.8 0.004
2012-01-01 176.2 0.004
2013-01-01 329.7 0.002
2014-01-01 39.3 0.002
2015-01-01 187.9 0.004
2016-01-01 352.6 0.004
2017-01-01 134.5 0.002
2018-01-01 207.5 0.003
2019-01-01 4.5 0.005
2020-01-01 168.4 0.004
2021-01-01 288.9 0.001
2022-01-01 19.8 0.003
2023-01-01 181.3 0.005
2024-01-01 343.0 0.003
2025-01-01 75.5 0.001
2026-01-01 194.3 0.004
2027-01-01 358.1 0.005
2028-01-01 155.5 0.003
2029-01-01 229.2 0.002
2030-01-01 10.0 0.004


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



 
 


wds07433%2B2853a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic