01048+0135 A  2310

Coord 2000	01048+0135		Discov num	A  2310		Comp			Coord arcsec 2000	01 04 48.29 +01 35 16.0
Date first	1911		Date last	2017		Obs	24
Pa first	276		Pa last	312		P.A. Now (θ)	304.3°
Sep first	0.2		Sep last	0.3		Sep. Now (ρ)	0.32"
Mag pri	9.49		Mag sec	10.36		delta mag (ΔM)	0.87		Spectral class	F2 (yellow-white)
Pri motion ra	-012		Sec motion ra
Pri motion dec	-015		Sec motion dec
Notes	N O (See Notes, Orbital solution)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	312.4		Precise sep	0.33		Constellation	Cetus		HIP	5064
Tycho2	0019-01283-1		Gaia DR2	41483274880		HD	6387		ADS	884
BD	BD+00 179		Distance	182.48		Distance ly	595.25		last precise pa	312.4
last precise sep	0.33

Period (P)	131.46y		Periastron (T)	1930.27y		Semi-major axis (a)	0.249a
Eccentricity (e)	0.444		Inclination (i)	117.7°		Longitude of periastron (ω)	326.2°
Node (Ω)	122.7°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1996

label rho theta 2000 0.324 317.2 2001 0.326 316.5 2002 0.328 315.9 2003 0.330 315.2 2004 0.331 314.6 2005 0.333 313.9 2006 0.334 313.3 2007 0.335 312.6 2008 0.335 312.0 2009 0.336 311.4 2010 0.336 310.8 2011 0.336 310.1 2012 0.336 309.5 2013 0.335 308.9 2014 0.334 308.2 2015 0.333 307.6 2016 0.332 307.0 2017 0.330 306.3 2018 0.328 305.7 2019 0.326 305.0 2020 0.324 304.3 2021 0.321 303.7 2022 0.318 303.0 2023 0.315 302.3 2024 0.311 301.5 2025 0.307 300.8 2026 0.303 300.0 2027 0.298 299.3 2028 0.293 298.5 2029 0.288 297.6 2030 0.283 296.8 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01048+0135	A 2310		1996	22	322	0.3	9.49	10.36	F2	NOD	010448.29+013516.0
01048+0135	A 2310		2008	23	316	0.3	9.49	10.36	F2	NOD	010448.29+013516.0
01048+0135	A 2310		2017	24	312	0.3	9.49	10.36	F2	NO	010448.29+013516.0

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