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Doubles in session

Current system

00162+7657
STF 13
HD 1141

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

00162+7657 STF 13 (HD 1141)

00^h 16^m 14.02^s +76° 57' 03.0" P.A. 46.00 sep 1.0 mag 7.03,7.12 Sp B8Vnn dist. 192.31 pc (627.32 l.y.)

Coord 2000	00162+7657		Discov num	STF 13		Comp			Coord arcsec 2000	00 16 14.02 +76 57 03.0
Date first	1828		Date last	2023		Obs	208
Pa first	127		Pa last	46.1		P.A. Now (θ)	48.6°
Sep first	0.5		Sep last	1.01		Sep. Now (ρ)	0.967"
Mag pri	7.03		Mag sec	7.12		delta mag (ΔM)	0.09		Spectral class	B8Vnn (blue-white)
Pri motion ra	+018		Sec motion ra	+018
Pri motion dec	+001		Sec motion dec	+001
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 1141		Constellation	Cepheus		SAO	4071		HIP	1296
Tycho2	4496-01370-1		Gaia DR2	540202878908833536		HD	1141		HR	55
GC	303		ADS	207		BD	BD+76 5		Distance	192.31
Distance ly	627.32

ORBITAL ELEMENTS SOLUTION #1

Period (P)	1245.6y		Periastron (T)	3048.6y		Semi-major axis (a)	1.078a
Eccentricity (e)	0.472		Inclination (i)	140.7°		Longitude of periastron (ω)	287.6°
Node (Ω)	86.1°		Notes	n		Reference	Msn2017c
Equinox	2000		Last observation	2016		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	52.9	0.934
2001	52.7	0.935
2002	52.4	0.937
2003	52.2	0.938
2004	51.9	0.939
2005	51.6	0.941
2006	51.4	0.942
2007	51.1	0.943
2008	50.9	0.945
2009	50.6	0.946
2010	50.4	0.947
2011	50.1	0.948
2012	49.8	0.950
2013	49.6	0.951
2014	49.3	0.952
2015	49.1	0.953
2016	48.8	0.955
2017	48.6	0.956
2018	48.3	0.957
2019	48.1	0.958
2020	47.8	0.960
2021	47.6	0.961
2022	47.3	0.962
2023	47.1	0.963
2024	46.8	0.964
2025	46.6	0.966
2026	46.3	0.967
2027	46.1	0.968
2028	45.9	0.969
2029	45.6	0.970
2030	45.4	0.971
2031	45.1	0.973
2032	44.9	0.974
2033	44.6	0.975
2034	44.4	0.976
2035	44.2	0.977
2036	43.9	0.978
2037	43.7	0.979
2038	43.4	0.980
2039	43.2	0.982
2040	43.0	0.983
2041	42.7	0.984
2042	42.5	0.985
2043	42.3	0.986
2044	42.0	0.987
2045	41.8	0.988
2046	41.6	0.989
2047	41.3	0.990
2048	41.1	0.991
2049	40.9	0.992
2050	40.6	0.993

grafico orbita

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

wds00162%2B7657a.png orbit plot

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

ORBITAL ELEMENTS SOLUTION #2

Period (P)	816.5679y	± 394.0299	Periastron (T)	1821.2404y	± 10.6549	Semi-major axis (a)	1.31063a	± 0.44826
Eccentricity (e)	0.77368	± 0.12241	Inclination (i)	120.975°	± 10.946	Longitude of periastron (ω)	287.481°	± 10.006
Node (Ω)	129.572°	± 15.525	Notes	n		Reference	Izm2019
Equinox			Last observation	2013		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	52.5	0.937
2001	52.3	0.939
2002	52.0	0.941
2003	51.7	0.942
2004	51.4	0.944
2005	51.2	0.946
2006	50.9	0.948
2007	50.6	0.950
2008	50.3	0.952
2009	50.1	0.954
2010	49.8	0.956
2011	49.5	0.958
2012	49.3	0.959
2013	49.0	0.961
2014	48.7	0.963
2015	48.5	0.965
2016	48.2	0.967
2017	47.9	0.969
2018	47.7	0.971
2019	47.4	0.973
2020	47.1	0.975
2021	46.9	0.976
2022	46.6	0.978
2023	46.4	0.980
2024	46.1	0.982
2025	45.9	0.984
2026	45.6	0.986
2027	45.3	0.988
2028	45.1	0.990
2029	44.8	0.992
2030	44.6	0.994
2031	44.3	0.995
2032	44.1	0.997
2033	43.8	0.999
2034	43.6	1.001
2035	43.3	1.003
2036	43.1	1.005
2037	42.9	1.007
2038	42.6	1.009
2039	42.4	1.011
2040	42.1	1.013
2041	41.9	1.015
2042	41.7	1.016
2043	41.4	1.018
2044	41.2	1.020
2045	40.9	1.022
2046	40.7	1.024
2047	40.5	1.026
2048	40.2	1.028
2049	40.0	1.030
2050	39.8	1.032

grafico orbita

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

wds00162%2B7657c.png orbit plot

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