07549+1914 BUP 109 AD

Coord 2000	07549+1914		Discov num	BUP 109		Comp	AD		Coord arcsec 2000	07 54 54.06 +19 14 10.8
Date first	1894		Date last	2010		Obs	7
Pa first	44		Pa last	9.4		P.A. Now (θ)	9.4°
Sep first	33.4		Sep last	77.58		Sep. Now (ρ)	77.58"
Mag pri	7.87		Mag sec	11.70		delta mag (ΔM)	3.83		Spectral class	K2 (yellow-orange)
Pri motion ra	+095		Sec motion ra
Pri motion dec	-456		Sec motion dec
Notes	N U (See Notes, Proper motion indicates non-physical)

This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 64468	97359	07 54 54 +19 14 11	ENG 33 AB	2007	13	285	96.8	7.87	10.78	2.91
Show		97359	07 54 54 +19 14 11	ENG 33 AC	2007	11	65	125.4	7.87	10.63	2.76
Show		97359	07 54 54 +19 14 11	BUP 109 AD	2010	7	9	77.6	7.87	11.70	3.83		<===
Show		97359	07 54 54 +19 14 11	HLA 8 AE	2018	6	358	4.7	5.50	11.00	5.50

Quintuple system
5 estimated visually detectable stars in this system

Constellation	Gemini		SAO	97359		HIP	38657		Tycho2	1371-02167-1
Gaia DR2	670216834655935872		HD	64468		GL	Gl 292.1		BD	BD+19 1869
Distance	20.69		Distance ly	67.49

discov_num	notes	refcode
ENG 33	AB: Optical pair, based on study of relative motion of the components
	using the method of apparent motion parameters.	Kiy2008
	AB and AC: Rectilinear solution by Hurowitz et al. (2013).	USN2013a

refcode	metd	author	reference
Kiy2008	-	Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S.	2008SvAL...32..405K
Kiy2008		SvAL 34, 405, 2008
USN2013a	lin -	Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D.	2013IAUDS.181....1H
USN2013a		Inf. Circ. 181, 1, 2013

idgroup	discov	author
1	BUP	Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
1	ENG	changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to
32	HLA	Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E.,
32	HLA	Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
32	HLA	Sinukoff, E. & Weiss, L.
33	HLA	Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W.,
33	HLA	Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07549+1914	BUP 109	AD	1925	3	28	43.1	7.87	11.70	K2		075454.06+191410.8
07549+1914	BUP 109	AD	2001	6	11	73.4	7.87	11.70	K2	NU	075454.06+191410.8
07549+1914	BUP 109	AD	2010	7	9	77.6	7.87	11.70	K2	NU	075454.06+191410.8

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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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