07346+3153 CIA 29 Aa,Ab

Coord 2000	07346+3153		Discov num	CIA  29		Comp	Aa,Ab		Coord arcsec 2000	07 34 35.86 +31 53 17.8
Date first	2007		Date last	2021		Obs	16
Pa first	38		Pa last	293.2		P.A. Now (θ)	293.2°
Sep first	0.0		Sep last	0.008		Sep. Now (ρ)	0.008"
Mag pri	1.93		Mag sec			delta mag (ΔM)			Spectral class	A1V (white)
Pri motion ra	-206		Sec motion ra
Pri motion dec	-148		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		60198	07 34 36 +31 53 18	CIA 29 Aa,Ab	2021	16	293	0.0	1.93				<===
Show	Castor	60198	07 34 36 +31 53 18	STF 1110 AB	2020	1514	53	5.4	1.93	2.97	1.04	Y
Show		60198	07 34 36 +31 53 18	STF 1110 AC	2020	157	164	71.6	1.93	9.83	7.90
Show		60198	07 34 36 +31 53 18	STF 1110 AD	2017	17	221	179.8	1.93	10.07	8.14
Show		60198	07 34 36 +31 53 18	CIA 29 Ba,Bb	2021	12	302	0.0	2.97
Show		60198	07 34 36 +31 53 18	STF 1110 BC	2020	125	168	73.8	2.97	9.83	6.86
Show		60198	07 34 37 +31 52 10	STF 1110 CD	2015	6	244	154.9	9.83	10.07	0.24	Y

Sextuple system
4 estimated visually detectable stars in this system

Common name	Castor		Var name	YY Gem		Constellation	Gemini		SAO	60198
HIP	36850		Tycho2	2457-02407-1		HD	60179		HR	2891
GC	10120		ADS	6175		GL	Gl 278A		BD	BD+32 1581
Bayer	Alpha Geminorum		Bayer name	Alp Gem		Flamsteed	66 Geminorum		Flamsteed name	66 Gem
FK5	287		Distance	15.6		Distance ly	50.89		Bayer greek	α Gem

Other names

Apollo, Castore

Meaning

beaver (Castor)

Identifier	07346+3153 STF1110 AB,C
coord_arcsec_2000	073436.00+315319.1

Period (P)	128.17c		Periastron (T)	5736y		Semi-major axis (a)	69.1a
Eccentricity (e)	0.3		Inclination (i)	33°		Longitude of periastron (ω)	16°
Node (Ω)	289°		Notes	n		Reference	Kiy2015
Equinox	2010		Last observation	2000		Grade	5	(1=Definitive, 9=Indet.)

label theta rho 2000 166.7 69.621 2001 166.7 69.611 2002 166.7 69.600 2003 166.7 69.589 2004 166.8 69.579 2005 166.8 69.568 2006 166.8 69.557 2007 166.8 69.547 2008 166.9 69.536 2009 166.9 69.525 2010 166.9 69.515 2011 166.9 69.504 2012 166.9 69.493 2013 167.0 69.483 2014 167.0 69.472 2015 167.0 69.461 2016 167.0 69.450 2017 167.1 69.440 2018 167.1 69.429 2019 167.1 69.418 2020 167.1 69.408 2021 167.1 69.397 2022 167.2 69.386 2023 167.2 69.376 2024 167.2 69.365 2025 167.2 69.354 2026 167.3 69.344 2027 167.3 69.333 2028 167.3 69.322 2029 167.3 69.312 2030 167.3 69.301		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Identifier	07346+3153 STF1110 AB,C
coord_arcsec_2000	073436.00+315319.1

Period (P)	134.63c		Periastron (T)	4606y		Semi-major axis (a)	71.4a
Eccentricity (e)	0.3		Inclination (i)	34°		Longitude of periastron (ω)	290°
Node (Ω)	343°		Notes	n		Reference	Kiy2015
Equinox	2010		Last observation	2000		Grade	5	(1=Definitive, 9=Indet.)

label theta rho 2000 167.6 70.118 2001 167.6 70.107 2002 167.7 70.096 2003 167.7 70.085 2004 167.7 70.074 2005 167.7 70.063 2006 167.8 70.051 2007 167.8 70.040 2008 167.8 70.029 2009 167.8 70.018 2010 167.8 70.007 2011 167.9 69.996 2012 167.9 69.984 2013 167.9 69.973 2014 167.9 69.962 2015 168.0 69.951 2016 168.0 69.940 2017 168.0 69.928 2018 168.0 69.917 2019 168.0 69.906 2020 168.1 69.895 2021 168.1 69.884 2022 168.1 69.872 2023 168.1 69.861 2024 168.2 69.850 2025 168.2 69.839 2026 168.2 69.827 2027 168.2 69.816 2028 168.2 69.805 2029 168.3 69.793 2030 168.3 69.782		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Identifier	07346+3153 STF1110 AB,C
coord_arcsec_2000	073436.00+315319.1

Period (P)	187.12c		Periastron (T)	3395y		Semi-major axis (a)	88.9a
Eccentricity (e)	0.1		Inclination (i)	45°		Longitude of periastron (ω)	254°
Node (Ω)	314°		Notes	n		Reference	Kiy2015
Equinox	2010		Last observation	2000		Grade	5	(1=Definitive, 9=Indet.)

label theta rho 2000 165.9 71.773 2001 165.9 71.762 2002 165.9 71.752 2003 166.0 71.741 2004 166.0 71.731 2005 166.0 71.720 2006 166.0 71.709 2007 166.0 71.699 2008 166.1 71.688 2009 166.1 71.678 2010 166.1 71.667 2011 166.1 71.657 2012 166.1 71.646 2013 166.2 71.635 2014 166.2 71.625 2015 166.2 71.614 2016 166.2 71.604 2017 166.3 71.593 2018 166.3 71.583 2019 166.3 71.572 2020 166.3 71.561 2021 166.3 71.551 2022 166.4 71.540 2023 166.4 71.530 2024 166.4 71.519 2025 166.4 71.509 2026 166.4 71.498 2027 166.5 71.487 2028 166.5 71.477 2029 166.5 71.466 2030 166.5 71.456		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic