05353-0523 GVT 1 Da,Dc

Coord 2000	05353-0523		Discov num	GVT   1		Comp	Da,Dc		Coord arcsec 2000	05 35 17.25 -05 23 16.6
Date first	2016		Date last	2018		Obs	7
Pa first	338		Pa last	14.9		P.A. Now (θ)	14.9°
Sep first	0.0		Sep last	0.003		Sep. Now (ρ)	0.003"
Mag pri	5.70		Mag sec	6.90		delta mag (ΔM)	1.2		Spectral class	B1.5V+B (blue-white/blue-white)
Pri motion ra	-001		Sec motion ra
Pri motion dec	+000		Sec motion dec
Notes	N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		132314	05 35 16 -05 23 14	PTR 1 Aa,Ab	2018	38	13	0.2	6.55	9.83	3.28
Show	The1 Ori	132314	05 35 16 -05 23 14	STF 748 AB	2022	132	32	8.8	6.55	7.49	0.94
Show		132314	05 35 16 -05 23 14	STF 748 AC	2021	158	132	12.8	6.55	5.06	1.49
Show		132314	05 35 16 -05 23 14	STF 748 AD	2021	142	97	21.4	6.55	6.38	0.17
Show		132314	05 35 16 -05 23 14	STF 748 AE	2022	44	350	4.5	6.55	11.10	4.55
Show		132314	05 35 16 -05 23 14	STF 748 AH	2007	3	177	8.2	6.55	15.80	9.25
Show		132314	05 35 16 -05 23 07	SMN 5 Ba,Bb	2012	19	255	0.9	7.49	8.50	1.01
Show		132314	05 35 16 -05 23 07	SMN 5 Ba,Bc	2012	7	300	0.6	7.49	10.50	3.01
Show		132314	05 35 16 -05 23 07	PTR 1 Ba,Bd	2007	4	251	1.0	7.49
Show		132314	05 35 16 -05 23 07	SMN 5 Bb,Bc	1996	1	37	0.6	8.50	10.50	2.00
Show		132314	05 35 16 -05 23 07	PTR 1 Bb,Bd	2012	16	222	0.1	10.00	10.80	0.80
Show		132314	05 35 16 -05 23 07	GVT 1 Ba,Be	2018	9	267	0.0	6.00	7.30	1.30
Show		132314	05 35 16 -05 23 07	STF 748 BC	2021	77	343	17.2	7.49	5.06	2.43
Show		132314	05 35 16 -05 23 07	STF 748 BD	2019	78	120	19.4	7.49	6.38	1.11
Show		132314	05 35 16 -05 23 07	STF 748 BE	2015	6	240	6.2	7.49	11.10	3.61
Show		132314	05 35 16 -05 23 07	STF 748 BF	2015	5	154	20.5	7.49	11.50	4.01
Show		132314	05 35 16 -05 23 23	WGT 1 Ca,Cb	2018	39	306	0.0	5.30	6.70	1.40	Y
Show		132314	05 35 16 -05 23 23	STF 748 CD	2021	124	60	13.8	5.06	6.38	1.32
Show		132314	05 35 16 -05 23 23	STF 748 CE	2022	5	321	16.7	5.06	11.10	6.04
Show		132314	05 35 16 -05 23 23	STF 748 CF	2022	42	121	4.6	5.06	11.50	6.44
Show		132314	05 35 16 -05 23 23	STF 748 CG	2013	7	34	7.7	5.06	16.70	11.64
Show		132314	05 35 16 -05 23 23	STF 748 CH	2013	4	269	9.4	5.06	15.80	10.74
Show		132314	05 35 16 -05 23 23	MZA 16 CZ	2013	2	338	6.5	5.06	12.70	7.64
Show		132314	05 35 17 -05 23 17	KSS 1 Da,Db	2005	1	41	0.0	6.38
Show		132314	05 35 17 -05 23 17	GVT 1 Da,Dc	2018	7	15	0.0	5.70	6.90	1.20	Y	<===
Show		132314	05 35 17 -05 23 17	STF 748 DE	2015	19	287	23.2	6.38	11.10	4.72
Show		132314	05 35 17 -05 23 17	STF 748 DF	2015	17	222	11.7	6.38	11.50	5.12
Show			05 35 17 -05 23 17	STF 748 DG	2000	6	270	7.8	6.38	16.70	10.32
Show		132314	05 35 16 -05 23 10	GET 37 Ea,Eb	2003	0	-1	2.2	11.10
Show			05 35 16 -05 23 22	STF 748 HI	2015	3	269	1.6	15.80	16.30	0.50
Show			05 35 15 -05 22 54	GET 30 JK	2003	0	-1	2.8	14.26
Show			05 35 16 -05 23 22	GET 36 LM	2016	1	262	0.1	14.50
Show		132314	05 35 16 -05 23 07	GET 39 Na,Nb	2003	0	-1	1.0	7.96
Show		132314	05 35 18 -05 22 46	DCH 110 Oa,Ob	2016	1	114	0.0	12.20
Show		132314	05 35 16 -05 22 54	GET 40 Pa,Pb	2011	2	207	0.3	10.96	12.22	1.26
Show		132314	05 35 18 -05 23 16	PTR 2 Qa,Qb	2007	1	178	0.3	9.69	13.00	3.31
Show		132314	05 35 16 -05 23 16	GET 42 RS	2003	0	-1	2.6	11.40
Show		132314	05 35 17 -05 23 16	GET 43 TU	2003	0	-1	2.0	11.40
Show		132314	05 35 18 -05 23 15	GET 50 VW	2003	0	-1	1.6	11.93
Show			05 35 19 -05 23 14	REP 110 Xa,Xb	2016	2	19	0.1	13.20	15.40	2.20
Show		132314	05 35 20 -05 23 10	REP 111 Ya,Yb	2004	1	104	0.2	10.90	11.30	0.40
Show			05 35 16 -05 23 14	CLO 12 Za,Zb	2011	1	175	0.1	14.00	17.60	3.60

42-fold system
42 estimated visually detectable stars in this system

Var name	NSV2294 Ori		Constellation	Orion		SAO	132314		HIP	26224
Tycho2	4774-00930-1		HD	37023		HR	1896		GC	6931
ADS	4186		DM	BD-05 1315		Bayer	Theta 1 Orionis		Bayer name	The1 Ori
Flamsteed	41 Orionis		Flamsteed name	41 Ori		Distance	36.71		Distance ly	119.75
Bayer greek	θ1 Ori

Period (P)	0.1452y	± 0.0002	Periastron (T)	2017.101y	± 0.001	Semi-major axis (a)	1.86m	± 0.06
Eccentricity (e)	0.43	± 0.03	Inclination (i)	160°	± 12	Longitude of periastron (ω)	166°	± 27
Node (Ω)	346°	± 24	Notes	n		Reference	Gvt2018
Equinox			Last observation	2018		Grade	5	(1=Definitive, 9=Indet.)

label theta rho 2000 50.6 0.002 2001 94.0 0.001 2002 180.5 0.001 2003 269.2 0.001 2004 310.5 0.002 2005 334.0 0.002 2006 352.1 0.003 2007 9.3 0.003 2008 28.6 0.002 2009 55.4 0.002 2010 103.4 0.001 2011 196.2 0.001 2012 277.4 0.002 2013 314.5 0.002 2014 336.8 0.002 2015 354.6 0.003 2016 11.9 0.003 2017 31.9 0.002 2018 60.5 0.002 2019 113.9 0.001 2020 211.5 0.001 2021 284.7 0.002 2022 318.3 0.002 2023 339.6 0.003 2024 357.1 0.003 2025 14.6 0.003 2026 35.3 0.002 2027 66.1 0.002 2028 125.6 0.001 2029 226.0 0.001 2030 291.1 0.002 2031 321.9 0.002 2032 342.3 0.003 2033 359.6 0.003 2034 17.3 0.003 2035 39.0 0.002 2036 72.4 0.002 2037 138.5 0.001 2038 239.2 0.001 2039 296.9 0.002 2040 325.3 0.002 2041 344.9 0.003 2042 2.1 0.003 2043 20.1 0.002 2044 42.8 0.002 2045 79.2 0.002 2046 152.6 0.001 2047 251.1 0.001 2048 302.1 0.002 2049 328.5 0.002 2050 347.5 0.003

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. Measures: green=micrometric, blue=interferometric, purple=photographic