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00057+4549
STT 547AB

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00057+4549 STT 547AB

00^h 05^m 41.03^s +45° 48' 43.3" P.A. 191.20 sep 5.9 mag 8.98,9.15 Sp K6+M0 dist. 11.31 pc (36.89 l.y.)

Coord 2000	00057+4549		Discov num	STT 547		Comp	AB		Coord arcsec 2000	00 05 41.03 +45 48 43.3
Date first	1876		Date last	2020		Obs	428
Pa first	114		Pa last	190		P.A. Now (θ)	191.2°
Sep first	4.5		Sep last	6.0		Sep. Now (ρ)	5.87"
Mag pri	8.98		Mag sec	9.15		delta mag (ΔM)	0.17		Spectral class	K6+M0 (yellow-orange/red)
Pri motion ra	+879		Sec motion ra	+838
Pri motion dec	-154		Sec motion dec	-163
Notes	N O W Z (See Notes, Orbital solution, , Parallax indicates components are physical)

rPM=0.047 (< 0.3, Physical double)

This double is physical.

00057+4549 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		36046	00 05 41 +45 48 43	STT 547 AB	2020	428	191	5.9	8.98	9.15	0.17	Y	<===
Show		36046	00 05 41 +45 48 43	STT 547 AC	2018	29	263	117.0	8.98	13.71	4.73
Show		36046	00 05 41 +45 48 43	STT 547 AD	2018	37	230	108.4	8.98	12.51	3.53
Show		36046	00 05 41 +45 48 43	STT 547 AE	2018	46	346	58.7	8.98	11.75	2.77
Show		36046	00 05 41 +45 48 43	STT 547 AF	2018	41	254	330.0	8.98	10.19	1.21	Y
Show		36046	00 05 41 +45 48 43	POP 217 AP	2018	37	314	17.4	8.98	13.40	4.42
Show		36046	00 05 41 +45 48 43	POP 217 AQ	2006	7	130	20.0	8.98	16.00	7.02
Show		36046	00 05 41 +45 48 43	POP 217 AX	2006	2	222	12.0	8.98
Show		36046	00 05 41 +45 48 43	POP 217 AY	2018	9	78	188.8	8.98	14.80	5.82
Show		36048	00 05 41 +45 48 37	STT 547 BC	2016	8	266	115.7	9.15	13.71	4.56
Show		36048	00 05 41 +45 48 37	STT 547 BD	2016	10	233	106.4	9.15	12.51	3.36
Show		36048	00 05 41 +45 48 37	STT 547 BE	2016	16	346	64.4	9.15	11.75	2.60
Show		36048	00 05 41 +45 48 37	STT 547 BF	2018	35	251	324.2	9.15	10.19	1.04
Show		36048	00 05 41 +45 48 37	STT 547 BP	2016	9	331	20.3	9.15	13.10	3.95
Show		36046	00 05 31 +45 48 26	PAL 2 Ca,Cb	2016	20	91	6.1	13.71	14.90	1.19
Show		36048	00 06 00 +45 49 20	POP 217 YG	2016	11	188	9.7	14.80	15.80	1.00

12-fold system
11 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	189.8		Precise sep	5.966		Constellation	Andromeda		SAO	36046
HIP	473		Tycho2	3246-00874-1		HD	38		ADS	48
GL	Gl 4A		BD	BD+45 4408		Distance	11.31		Distance ly	36.89
last precise pa	189.8		last precise sep	5.966

ORBITAL ELEMENTS SOLUTION #1

Period (P)	1550.637y		Periastron (T)	1970.438y		Semi-major axis (a)	11.7613a
Eccentricity (e)	0.4973		Inclination (i)	56.68°		Longitude of periastron (ω)	349.37°
Node (Ω)	175.14°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1994

label	rho	theta
2000	5.974	182.1
2001	5.973	182.5
2002	5.971	182.9
2003	5.968	183.4
2004	5.966	183.8
2005	5.962	184.2
2006	5.959	184.7
2007	5.955	185.1
2008	5.951	185.5
2009	5.947	186.0
2010	5.942	186.4
2011	5.937	186.8
2012	5.931	187.3
2013	5.925	187.7
2014	5.919	188.1
2015	5.913	188.6
2016	5.906	189.0
2017	5.899	189.5
2018	5.892	189.9
2019	5.884	190.3
2020	5.877	190.8
2021	5.868	191.2
2022	5.860	191.7
2023	5.852	192.1
2024	5.843	192.6
2025	5.834	193.0
2026	5.824	193.5
2027	5.815	193.9
2028	5.805	194.4
2029	5.795	194.8
2030	5.785	195.3

grafico orbita

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

wds00057%2B4549a.png orbit plot

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

ORBITAL ELEMENTS SOLUTION #2

Period (P)	509.65y	± 96.99	Periastron (T)	2115.8y	± 123.47	Semi-major axis (a)	6.21a	± 0.77
Eccentricity (e)	0.22	± 0.04	Inclination (i)	54.9°	± 2.4	Longitude of periastron (ω)	267.2°	± 27.4
Node (Ω)	13.5°	± 2.3	Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox			Last observation

label	rho	theta
2000	6.068	181.8
2001	6.068	182.3
2002	6.068	182.7
2003	6.067	183.1
2004	6.065	183.5
2005	6.063	183.9
2006	6.060	184.3
2007	6.057	184.8
2008	6.053	185.2
2009	6.048	185.6
2010	6.043	186.0
2011	6.037	186.4
2012	6.031	186.8
2013	6.024	187.3
2014	6.016	187.7
2015	6.007	188.1
2016	5.998	188.5
2017	5.989	189.0
2018	5.978	189.4
2019	5.967	189.8
2020	5.955	190.2
2021	5.943	190.7
2022	5.930	191.1
2023	5.916	191.5
2024	5.902	192.0
2025	5.886	192.4
2026	5.871	192.9
2027	5.854	193.3
2028	5.837	193.8
2029	5.819	194.2
2030	5.800	194.7

grafico orbita

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

wds00057%2B4549b.png orbit plot

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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00057+4549	STT 547	AB	2007	380	188	6.0	8.98	9.15	K6 M0	NODV	000541.03+454843.3
00057+4549	STT 547	AB	2008	383	186	6.1	8.98	9.15	K6 M0	NODV	000541.03+454843.3
00057+4549	STT 547	AB	2010	392	186	6.0	8.98	9.15	K6 M0	NOD	000541.03+454843.3
00057+4549	STT 547	AB	2011	394	186	6.0	8.98	9.15	K6 M0	NOD	000541.03+454843.3
00057+4549	STT 547	AB	2012	397	187	6.0	8.98	9.15	K6 M0	NOD	000541.03+454843.3
00057+4549	STT 547	AB	2013	399	186	5.8	8.98	9.15	K6 M0	NOD	000541.03+454843.3
00057+4549	STT 547	AB	2015	399	189	6.0	8.98	9.15	K6+M0	NO Z	000541.03+454843.3
00057+4549	STT 547	AB	2016	408	189	6.0	8.98	9.15	K6+M0	NO Z	000541.03+454843.3
00057+4549	STT 547	AB	2017	415	189	6.0	8.98	9.15	K6+M0	NO Z	000541.03+454843.3
00057+4549	STT 547	AB	2018	417	190	6.0	8.98	9.15	K6+M0	NO Z	000541.03+454843.3
00057+4549	STT 547	AB	2020	421	190	6.0	8.98	9.15	K6+M0	NOWZ	000541.03+454843.3

If you need more information about this double, apply for a data request form to the WDS.