07294-1500 TOK 391 Ca,Cb

07^h 29^m 21.74^s -15° 00' 15.5" P.A. 315.00 sep 0.1 mag 6.40,7.00 Sp F8V dist. 35.09 pc (114.46 l.y.)

Coord 2000	07294-1500		Discov num	TOK 391		Comp	Ca,Cb		Coord arcsec 2000	07 29 21.74 -15 00 15.5
Date first	2014		Date last	2021		Obs	15
Pa first	121		Pa last	314.7		P.A. Now (θ)	314.7°
Sep first	0.1		Sep last	0.08		Sep. Now (ρ)	0.08"
Mag pri	6.40		Mag sec	7.00		delta mag (ΔM)	0.6		Spectral class	F8V (yellow-white)
Pri motion ra	-141		Sec motion ra
Pri motion dec	-250		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

07294-1500 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 59438	152943	07 29 22 -14 59 53	STF 1104 AB	2021	150	42	1.8	6.39	7.60	1.21	Y
Show		152943	07 29 22 -14 59 53	STF 1104 AC	2016	10	185	21.0	6.39	11.80	5.41
Show		152943	07 29 22 -14 59 53	STF 1104 AD	2015	9	21	72.1	6.39	13.15	6.76
Show		152943	07 29 22 -14 59 53	STF 1104 AE	2015	4	49	113.2	6.39	13.47	7.08
Show		152943	07 29 22 -14 59 53	TOK 391 AF	2016	7	343	999.9	6.39	11.45	5.06
Show		152943	07 29 22 -15 00 16	TOK 391 Ca,Cb	2021	15	315	0.1	6.40	7.00	0.60	Y	<===

Septuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Puppis		SAO	152943		HIP	36395		Tycho2	5408-00631-1
Gaia DR2	3028616705839515392		HD	59438		HR	2868		ADS	6126
BD	BD-14 1925		Distance	35.09		Distance ly	114.46

ORBITAL ELEMENTS

Period (P)	5.45y	± 0.22	Periastron (T)	2017.56y	± 0.38	Semi-major axis (a)	0.081a	± 0.007
Eccentricity (e)	0.483	± 0.054	Inclination (i)	81.2°	± 2.7	Longitude of periastron (ω)	160.7°	± 21.4
Node (Ω)	308.7°	± 1.8	Notes	n		Reference	Tok2021c
Equinox	2000		Last observation	2021		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	313.4	0.081
2001	112.6	0.022
2002	217.7	0.011
2003	299.9	0.078
2004	305.9	0.115
2005	310.4	0.105
2006	324.4	0.033
2007	137.3	0.037
2008	293.0	0.048
2009	303.7	0.103
2010	308.3	0.115
2011	314.4	0.074
2012	120.7	0.032
2013	254.9	0.015
2014	300.8	0.083
2015	306.4	0.116
2016	311.0	0.101
2017	332.1	0.023
2018	142.3	0.031
2019	295.2	0.055
2020	304.3	0.107
2021	308.7	0.114
2022	315.5	0.067
2023	125.3	0.039
2024	273.4	0.022
2025	301.5	0.089
2026	306.8	0.117
2027	311.6	0.096
2028	353.5	0.012
2029	150.3	0.024
2030	296.9	0.062

grafico orbita

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

wds07294-1500e.png orbit plot

Measures: green=micrometric, blue=interferometric, purple=photographic