10435+4612 SMA 75 BP

Coord 2000	10435+4612		Discov num	SMA  75		Comp	BP		Coord arcsec 2000	10 44 00.61 +46 12 23.9
Date first	1907		Date last	2015		Obs	4
Pa first	270		Pa last	286.6		P.A. Now (θ)	286.6°
Sep first	120.0		Sep last	80.22		Sep. Now (ρ)	80.22"
Mag pri	7.35		Mag sec	13.55		delta mag (ΔM)	6.2		Spectral class	F9V (yellow-white)
Pri motion ra	-271		Sec motion ra	-023
Pri motion dec	-064		Sec motion dec	-009
Notes	N (See Notes)

rPM=0.912 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 92787	43444	10 43 33 +46 12 14	SMA 75 AB	2018	25	88	288.0	5.21	7.35	2.14
Show		43444	10 43 33 +46 12 14	SMA 75 AC	2018	4	16	152.0	5.21	11.11	5.90
Show		43444	10 43 33 +46 12 14	SMA 75 AD	2018	8	45	381.6	5.21	9.18	3.97
Show		43449	10 44 01 +46 12 24	SMA 75 BD	2018	10	357	259.2	7.35	9.18	1.83
Show		43449	10 44 01 +46 12 24	MET 7 BE	2016	3	291	2.7	5.89	10.46	4.57
Show		43449	10 44 01 +46 12 24	MET 7 BF	2015	3	134	13.9	5.89	14.79	8.90
Show		43449	10 44 01 +46 12 24	SMA 75 BP	2015	4	287	80.2	7.35	13.55	6.20		<===

Septuple system
7 estimated visually detectable stars in this system

Constellation	Ursa Major		SAO	43449		HIP	52498		Tycho2	3442-00619-1
Gaia DR2	829777377964973952		HD	92855		BD	BD+46 1658		Distance	37.26
Distance ly	121.54

discov_num	notes	refcode
SMA 75	B is BD+46@1658. B is a spectroscopic binary.
	AB: NLTT 25147/25160	Chm2004
	AB: HJL 130.	HJL1986
	AB: SHY 216. Bayesian analysis by Shaya & Olling (2011) indicates very	Shy2011
	high (near 100%) probability pair is physical.
MET 7	BE and BF: Primary of 10440+4612 MET 7AB and AC same as B component
	of 10435+4612 SMA 75AB; systems merged.
	Based on proximity, Metchev & Hillenbrand (2004) say the BE pair is	Met2004b
	probably physical.

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)
HJL1986	Pa -	Halbwachs, J.L.	1986A&AS...66..131H
HJL1986		A&AS 66, 131, 1986
HJL1986		(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986		only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Met2004b	Ao -	Metchev, S.A. & Hillenbrand, L.A.	2004ASPC..324..238M
Met2004b		ASP Conf. 324, 238, 2004
Met2004b		(Exact dates not given. Default date = decade of publication added. Theta
Met2004b		estimated from their Figure 2.)
Shy2011	-	Shaya, E.J. & Olling, R.	2011ApJS..192....2S
Shy2011		ApJS 192, 2, 2011
Shy2011		(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011		added to WDS only if probability 90% or greater.)

idgroup	discov	author
1	SMA	Smart, W.M., Green, H.E., & Fletcher, A.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10435+4612	SMA 75	BP	1999	2	285	83.7	7.35	13.27		N D	104400.62+461224.0
10435+4612	SMA 75	BP	2002	3	286	83.3	7.35	13.27		N D	104400.62+461224.0
10435+4612	SMA 75	BP	2015	4	287	80.2	7.35	13.55	F9V	N	104400.61+461223.9

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

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