00568+3830 HJ 1057AB (Mu And)

Coord 2000	00568+3830		Discov num	HJ 1057		Comp	AB		Coord arcsec 2000	00 56 45.10 +38 29 57.3
Date first	1878		Date last	2012		Obs	10
Pa first	314		Pa last	295		P.A. Now (θ)	295°
Sep first	37.3		Sep last	51.8		Sep. Now (ρ)	51.8"
Mag pri	3.87		Mag sec	12.90		delta mag (ΔM)	9.03		Spectral class	A5V (white)
Pri motion ra	+154		Sec motion ra
Pri motion dec	+037		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Mu And	54281	00568+3830	HJ 1057	AB	1878	2012	10	295	51.8	3.87	12.90	9.03		<===
Show		54281	00568+3830	HJ 1057	AC	1828	2012	13	151	28.5	3.87	11.40	7.53
Show		54281	00568+3830	HJ 1057	AD	1854	2012	11	39	260.0	3.87	11.04	7.17

Quadruple system
4 visible stars in this system

Precise pa	294.8		Precise sep	51.8		Name	Mu And		Constellation	Andromeda
SAO	54281		HIP	4436		HD	5448		HR	269
GC	1122		BD	BD+37 175		Bayer	Mu Andromedae		Bayer name	Mu And
Flamsteed	37 Andromedae		Flamsteed name	37 And		Distance	39.78		Distance ly	129.76
last precise pa	294.8		last precise sep	51.8

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00568+3830	HJ 1057	AB	2007	7	296	51.4	3.87	12.90	A5V	N D	005645.10+382957.3
00568+3830	HJ 1057	AB	2011	9	297	52.2	3.87	12.90	A5V	N D	005645.10+382957.3
00568+3830	HJ 1057	AB	2012	10	295	51.8	3.87	12.90	A5V	N D	005645.10+382957.3

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