07009+5651 KR 29 BC

Coord 2000	07009+5651		Discov num	KR   29		Comp	BC		Coord arcsec 2000	07 00 57.19 +56 51 19.7
Date first	1898		Date last	2015		Obs	10
Pa first	4		Pa last	10.5		P.A. Now (θ)	10.5°
Sep first	15.6		Sep last	19.034		Sep. Now (ρ)	19.034"
Mag pri	10.25		Mag sec	13.16		delta mag (ΔM)	2.91		Spectral class
Pri motion ra	-012		Sec motion ra	+005
Pri motion dec	-027		Sec motion dec	+006
Notes	N U W (See Notes, Proper motion indicates non-physical, )

rPM=1.256 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 51496		07 00 57 +56 51 13	KR 29 AB	2021	28	356	6.4	9.90	10.25	0.35
Show			07 00 57 +56 51 13	ABH 56 AD	2015	8	85	129.4	9.90	12.94	3.04
Show			07 00 57 +56 51 20	KR 29 BC	2015	10	11	19.0	10.25	13.16	2.91		<===

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Lynx

Tycho2

3775-01530-2

Gaia DR2

1000429068720900224

discov_num	notes	refcode
KR 29	All measures attributed to AC pair were actually of BC pair.

refcode	metd	author	reference
AbH1961	-	Abt, H.A.	1961A&AS....6...37A
AbH1961		A&AS 6, 37, 1961
AbH1962	Po j	Abt, H.A. Jeffers, H., Gibson, & Sandage, A.	1962ApJ...135..429A
AbH1962		ApJ 135, 429, 1962
AbH1964	-	AbT, H.A. et al.	1964ApJ...139.1139A
AbH1964		ApJ 139, 1139, 1964
AbH1965	-	Abt, H.A.	1965A&AS...11..429A
AbH1965		A&AS 11, 429, 1965
AbH1965b	-	Abt, H.A. et al.	1965ApJ...142.1604A
AbH1965b		ApJ 142, 1604, 1965
AbH1972	-	Abt. H.A. & Biggs, E.S.	1972bsrv.book.....A
AbH1972		Bibliography of Stellar Radial Velocities
AbH1972b	not -	Abt. H.A., Levy, S.G., & Gandet, T.L.	1972AJ.....77..138A
AbH1972b		AJ 77, 138, 1972
AbH1973	-	Abt, H.A. & Levy, S.G.	1973AJ.....78.1093A
AbH1973		AJ 78, 1093, 1973
AbH1976	orb -	Abt, H.A. & Levy, S.G.	1976A&AS...30..273A
AbH1976		A&AS 30, 273, 1976
AbH1978	-	Abt, H.A. & Levy, S.G.	1978A&AS...36..241A
AbH1978		A&AS 36, 241, 1978
AbH1985	-	Abt, H.A. & Levy, S.G.	1985ApJS...59..229A
AbH1985		ApJS 59, 229, 1985
AbH1986	-	Abt, H.A.	1986ApJ...304..688A
AbH1986		ApJ 304, 688, 1986
AbH2000	C u	Abt, H.A. & Corbally, C.J.	2000ApJ...541..841A
AbH2000		ApJ 541, 841, 2000
AbH2000		(Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000		optical/physical nature of members of possible Trapezium systems)
AbH2006	orb -	Abt, H.A., & Willmarth, D.	2006ApJS..162..207A
AbH2006		ApJS 162, 207, 2006
KR		Kruger, A. (from additional DD list)	...................

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07009+5651	KR 29	BC	1999	4	10	18.5	10.25	11.40		N D	070057.19+565119.7
07009+5651	KR 29	BC	2003	6	10	18.7	10.25	11.40		NUD	070057.19+565119.7
07009+5651	KR 29	BC	2015	7	11	19.0	10.25	13.16		NUW	070057.19+565119.7

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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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