00028+8017 STF 3051 (HD 74014)

Coord 2000	00028+8017		Discov num	STF3051		Comp			Coord arcsec 2000	00 02 46.53 +80 16 56.2
Date first	1832		Date last	2020		Obs	40
Pa first	24		Pa last	23.7		P.A. Now (θ)	23.7°
Sep first	16.5		Sep last	16.984		Sep. Now (ρ)	16.984"
Mag pri	7.74		Mag sec	9.47		delta mag (ΔM)	1.73		Spectral class	F2V (yellow-white)
Pri motion ra	+048		Sec motion ra	+048
Pri motion dec	+017		Sec motion dec	+014
Notes	Z (Parallax indicates components are physical)

rPM=0.059 (< 0.3, Physical double) This double is physical.

Name	HD 74014		Constellation	Cepheus		SAO	2		HIP	42634
Tycho2	4500-00783-1		Gaia DR2	565057240473317888		HD	74014		GC	4
BD	BD+79 799		Distance	33.82		Distance ly	110.32

Period (P)	30.71y		Periastron (T)	2019.3y		Semi-major axis (a)	81.3m
Eccentricity (e)	0.26		Inclination (i)	82°		Longitude of periastron (ω)	292.1°
Node (Ω)	75.7°		Notes			Reference	SAO2021
Equinox			Last observation	2020		Grade	4	(1=Definitive, 9=Indet.)

label theta rho 2000 124.9 0.018 2001 171.2 0.014 2002 211.5 0.020 2003 228.8 0.030 2004 237.1 0.041 2005 242.0 0.052 2006 245.2 0.062 2007 247.6 0.070 2008 249.5 0.077 2009 251.1 0.083 2010 252.5 0.086 2011 253.9 0.087 2012 255.3 0.085 2013 256.9 0.080 2014 258.7 0.072 2015 261.1 0.060 2016 264.9 0.045 2017 273.5 0.027 2018 316.9 0.010 2019 49.7 0.018 2020 65.1 0.037 2021 70.4 0.052 2022 73.5 0.063 2023 75.9 0.069 2024 78.0 0.071 2025 80.1 0.069 2026 82.5 0.063 2027 85.4 0.055 2028 89.5 0.046 2029 95.9 0.035 2030 107.9 0.025		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	6936.3d (18.99y)	± 134.7	Periastron (T)	53431.9d (2005.167y)	± 5.2	Semi-major axis (a)	64m	± 32.9
Eccentricity (e)	0.532	± 0.006	Inclination (i)	171.1°	± 6.8	Longitude of periastron (ω)	325.3°	± 0.6
Node (Ω)	248.7°	± 22	Notes			Reference	SaJ2011
Equinox			Last observation			Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000 70.2 0.083 2001 59.7 0.074 2002 46.2 0.064 2003 26.8 0.052 2004 354.3 0.039 2005 295.2 0.030 2006 228.9 0.035 2007 189.4 0.047 2008 166.6 0.060 2009 151.2 0.070 2010 139.6 0.079 2011 130.2 0.086 2012 122.0 0.092 2013 114.6 0.095 2014 107.6 0.097 2015 100.8 0.098 2016 93.9 0.096 2017 86.7 0.094 2018 78.9 0.089 2019 70.1 0.083 2020 59.6 0.074 2021 46.1 0.064 2022 26.6 0.052 2023 353.9 0.038 2024 294.6 0.030 2025 228.5 0.035 2026 189.2 0.047 2027 166.4 0.060 2028 151.1 0.071 2029 139.5 0.079 2030 130.1 0.086		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	403d	± 20	Periastron (T)	48596d (1991.927y)	± 155	Semi-major axis (a)	7.9m	± 5.9
Eccentricity (e)	0.31	± 0.36	Inclination (i)	85°	± 14	Longitude of periastron (ω)	101°	± 68
Node (Ω)	134°	± 94	Notes			Reference	Gln2007
Equinox			Last observation	1991		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 323.3 0.004 2001-01-01 317.7 0.007 2002-01-01 314.0 0.007 2003-01-01 307.2 0.003 2004-01-01 142.9 0.003 2005-01-01 135.0 0.007 2006-01-01 132.1 0.008 2007-01-01 129.0 0.007 2008-01-01 123.2 0.004 2009-01-01 92.8 0.001 2010-01-01 333.8 0.002 2011-01-01 320.9 0.005 2012-01-01 316.5 0.007 2013-01-01 312.7 0.006 2014-01-01 295.4 0.001 2015-01-01 138.5 0.005 2016-01-01 133.9 0.008 2017-01-01 131.1 0.008 2018-01-01 127.6 0.006 2019-01-01 119.2 0.003 2020-01-01 38.5 0.001 2021-01-01 327.2 0.003 2022-01-01 319.2 0.006 2023-01-01 315.3 0.007 2024-01-01 310.8 0.005 2025-01-01 168.2 0.001 2026-01-01 136.5 0.006 2027-01-01 133.0 0.008 2028-01-01 130.2 0.007 2029-01-01 125.8 0.005 2030-01-01 112.0 0.002		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	455d	± 16	Periastron (T)	48473d (1991.59y)	± 163	Semi-major axis (a)	5.2m	± 3.1
Eccentricity (e)	0.27	± 0.34	Inclination (i)	133°	± 16	Longitude of periastron (ω)	92°	± 59
Node (Ω)	122°	± 82	Notes			Reference	Gln2007
Equinox			Last observation	1991		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 141.4 0.005 2001-01-01 192.5 0.005 2002-01-01 252.3 0.005 2003-01-01 302.3 0.005 2004-01-01 63.2 0.003 2005-01-01 138.2 0.005 2006-01-01 188.4 0.005 2007-01-01 248.5 0.005 2008-01-01 298.5 0.005 2009-01-01 51.8 0.003 2010-01-01 135.0 0.005 2011-01-01 184.4 0.005 2012-01-01 244.6 0.005 2013-01-01 295.0 0.005 2014-01-01 39.4 0.003 2015-01-01 131.7 0.005 2016-01-01 180.5 0.005 2017-01-01 240.7 0.005 2018-01-01 291.5 0.005 2019-01-01 26.4 0.003 2020-01-01 128.3 0.005 2021-01-01 176.7 0.005 2022-01-01 236.7 0.005 2023-01-01 288.1 0.005 2024-01-01 13.7 0.003 2025-01-01 124.8 0.005 2026-01-01 173.0 0.005 2027-01-01 232.6 0.005 2028-01-01 284.7 0.005 2029-01-01 2.1 0.003 2030-01-01 121.2 0.005		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic