23219+3149 BU 718 AC

Coord 2000	23219+3149		Discov num	BU  718		Comp	AC		Coord arcsec 2000	23 21 54.93 +31 48 44.9
Date first	1912		Date last	2001		Obs	3
Pa first	147		Pa last	146.9		P.A. Now (θ)	146.9°
Sep first	112.9		Sep last	110.746		Sep. Now (ρ)	110.746"
Mag pri	5.44		Mag sec	13.39		delta mag (ΔM)	7.95		Spectral class	B6III (blue-white)
Pri motion ra	+010		Sec motion ra	+014
Pri motion dec	-007		Sec motion dec	-002
Notes	N (See Notes)

rPM=0.453 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	64 Peg	73205	23 21 55 +31 48 45	BU 718 AB	2011	34	179	0.4	5.44	7.76	2.32
Show		73205	23 21 55 +31 48 45	BU 718 AC	2001	3	147	110.7	5.44	13.39	7.95		<===

Triple system
3 estimated visually detectable stars in this system

Constellation	Pegasus		SAO	73205		HIP	115355		Tycho2	2752-02219-1
Gaia DR2	1910125617577909376		HD	220222		HR	8887		GC	32522
ADS	16702		BD	BD+31 4897		Flamsteed	64 Pegasi		Flamsteed name	64 Peg
Distance	254.45		Distance ly	830.02

discov_num	notes	refcode
BU 718	64 Peg. A is a spectroscopic binary, perhaps as a consequence of
	motion in the visual pair.
	AB: Rectilinear solution by Rica & Zirm (2012).	FMR2012i

refcode	metd	author	reference
FMR2012i	orb -	Rica Romero, F.M. & Zirm, H.	2012IAUDS.177Q...1R
FMR2012i		Inf. Circ. 177, 1, 2012

idgroup	discov	author
1	BU	Burnham, S.W. (BU 1 - 81)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23219+3149	BU 718	AC	1998	2	147	111.3	5.44	13.40	B6III	N D	232154.93+314844.9
23219+3149	BU 718	AC	2001	3	147	110.7	5.44	13.40	B6III	N D	232154.93+314844.9

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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

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS